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• What Is a Case Study? | Definition, Examples & Methods

What Is a Case Study? | Definition, Examples & Methods

Published on May 8, 2019 by Shona McCombes . Revised on November 20, 2023.

A case study is a detailed study of a specific subject, such as a person, group, place, event, organization, or phenomenon. Case studies are commonly used in social, educational, clinical, and business research.

A case study research design usually involves qualitative methods , but quantitative methods are sometimes also used. Case studies are good for describing , comparing, evaluating and understanding different aspects of a research problem .

Table of contents

When to do a case study, step 1: select a case, step 2: build a theoretical framework, step 3: collect your data, step 4: describe and analyze the case, other interesting articles.

A case study is an appropriate research design when you want to gain concrete, contextual, in-depth knowledge about a specific real-world subject. It allows you to explore the key characteristics, meanings, and implications of the case.

Case studies are often a good choice in a thesis or dissertation . They keep your project focused and manageable when you don’t have the time or resources to do large-scale research.

You might use just one complex case study where you explore a single subject in depth, or conduct multiple case studies to compare and illuminate different aspects of your research problem.

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Once you have developed your problem statement and research questions , you should be ready to choose the specific case that you want to focus on. A good case study should have the potential to:

• Provide new or unexpected insights into the subject
• Challenge or complicate existing assumptions and theories
• Propose practical courses of action to resolve a problem
• Open up new directions for future research

TipIf your research is more practical in nature and aims to simultaneously investigate an issue as you solve it, consider conducting action research instead.

Unlike quantitative or experimental research , a strong case study does not require a random or representative sample. In fact, case studies often deliberately focus on unusual, neglected, or outlying cases which may shed new light on the research problem.

Example of an outlying case studyIn the 1960s the town of Roseto, Pennsylvania was discovered to have extremely low rates of heart disease compared to the US average. It became an important case study for understanding previously neglected causes of heart disease.

However, you can also choose a more common or representative case to exemplify a particular category, experience or phenomenon.

Example of a representative case studyIn the 1920s, two sociologists used Muncie, Indiana as a case study of a typical American city that supposedly exemplified the changing culture of the US at the time.

While case studies focus more on concrete details than general theories, they should usually have some connection with theory in the field. This way the case study is not just an isolated description, but is integrated into existing knowledge about the topic. It might aim to:

• Exemplify a theory by showing how it explains the case under investigation
• Expand on a theory by uncovering new concepts and ideas that need to be incorporated
• Challenge a theory by exploring an outlier case that doesn’t fit with established assumptions

To ensure that your analysis of the case has a solid academic grounding, you should conduct a literature review of sources related to the topic and develop a theoretical framework . This means identifying key concepts and theories to guide your analysis and interpretation.

There are many different research methods you can use to collect data on your subject. Case studies tend to focus on qualitative data using methods such as interviews , observations , and analysis of primary and secondary sources (e.g., newspaper articles, photographs, official records). Sometimes a case study will also collect quantitative data.

Example of a mixed methods case studyFor a case study of a wind farm development in a rural area, you could collect quantitative data on employment rates and business revenue, collect qualitative data on local people’s perceptions and experiences, and analyze local and national media coverage of the development.

The aim is to gain as thorough an understanding as possible of the case and its context.

In writing up the case study, you need to bring together all the relevant aspects to give as complete a picture as possible of the subject.

How you report your findings depends on the type of research you are doing. Some case studies are structured like a standard scientific paper or thesis , with separate sections or chapters for the methods , results and discussion .

Others are written in a more narrative style, aiming to explore the case from various angles and analyze its meanings and implications (for example, by using textual analysis or discourse analysis ).

In all cases, though, make sure to give contextual details about the case, connect it back to the literature and theory, and discuss how it fits into wider patterns or debates.

If you want to know more about statistics , methodology , or research bias , make sure to check out some of our other articles with explanations and examples.

• Normal distribution
• Degrees of freedom
• Null hypothesis
• Discourse analysis
• Control groups
• Mixed methods research
• Non-probability sampling
• Quantitative research
• Ecological validity

Research bias

• Rosenthal effect
• Implicit bias
• Cognitive bias
• Selection bias
• Negativity bias
• Status quo bias

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Home » Case Study – Methods, Examples and Guide

Case Study – Methods, Examples and Guide

Table of Contents

A case study is a research method that involves an in-depth examination and analysis of a particular phenomenon or case, such as an individual, organization, community, event, or situation.

It is a qualitative research approach that aims to provide a detailed and comprehensive understanding of the case being studied. Case studies typically involve multiple sources of data, including interviews, observations, documents, and artifacts, which are analyzed using various techniques, such as content analysis, thematic analysis, and grounded theory. The findings of a case study are often used to develop theories, inform policy or practice, or generate new research questions.

Types of Case Study

Types and Methods of Case Study are as follows:

Single-Case Study

A single-case study is an in-depth analysis of a single case. This type of case study is useful when the researcher wants to understand a specific phenomenon in detail.

For Example , A researcher might conduct a single-case study on a particular individual to understand their experiences with a particular health condition or a specific organization to explore their management practices. The researcher collects data from multiple sources, such as interviews, observations, and documents, and uses various techniques to analyze the data, such as content analysis or thematic analysis. The findings of a single-case study are often used to generate new research questions, develop theories, or inform policy or practice.

Multiple-Case Study

A multiple-case study involves the analysis of several cases that are similar in nature. This type of case study is useful when the researcher wants to identify similarities and differences between the cases.

For Example, a researcher might conduct a multiple-case study on several companies to explore the factors that contribute to their success or failure. The researcher collects data from each case, compares and contrasts the findings, and uses various techniques to analyze the data, such as comparative analysis or pattern-matching. The findings of a multiple-case study can be used to develop theories, inform policy or practice, or generate new research questions.

Exploratory Case Study

An exploratory case study is used to explore a new or understudied phenomenon. This type of case study is useful when the researcher wants to generate hypotheses or theories about the phenomenon.

For Example, a researcher might conduct an exploratory case study on a new technology to understand its potential impact on society. The researcher collects data from multiple sources, such as interviews, observations, and documents, and uses various techniques to analyze the data, such as grounded theory or content analysis. The findings of an exploratory case study can be used to generate new research questions, develop theories, or inform policy or practice.

Descriptive Case Study

A descriptive case study is used to describe a particular phenomenon in detail. This type of case study is useful when the researcher wants to provide a comprehensive account of the phenomenon.

For Example, a researcher might conduct a descriptive case study on a particular community to understand its social and economic characteristics. The researcher collects data from multiple sources, such as interviews, observations, and documents, and uses various techniques to analyze the data, such as content analysis or thematic analysis. The findings of a descriptive case study can be used to inform policy or practice or generate new research questions.

Instrumental Case Study

An instrumental case study is used to understand a particular phenomenon that is instrumental in achieving a particular goal. This type of case study is useful when the researcher wants to understand the role of the phenomenon in achieving the goal.

For Example, a researcher might conduct an instrumental case study on a particular policy to understand its impact on achieving a particular goal, such as reducing poverty. The researcher collects data from multiple sources, such as interviews, observations, and documents, and uses various techniques to analyze the data, such as content analysis or thematic analysis. The findings of an instrumental case study can be used to inform policy or practice or generate new research questions.

Case Study Data Collection Methods

Here are some common data collection methods for case studies:

Interviews involve asking questions to individuals who have knowledge or experience relevant to the case study. Interviews can be structured (where the same questions are asked to all participants) or unstructured (where the interviewer follows up on the responses with further questions). Interviews can be conducted in person, over the phone, or through video conferencing.

Observations

Observations involve watching and recording the behavior and activities of individuals or groups relevant to the case study. Observations can be participant (where the researcher actively participates in the activities) or non-participant (where the researcher observes from a distance). Observations can be recorded using notes, audio or video recordings, or photographs.

Documents can be used as a source of information for case studies. Documents can include reports, memos, emails, letters, and other written materials related to the case study. Documents can be collected from the case study participants or from public sources.

Surveys involve asking a set of questions to a sample of individuals relevant to the case study. Surveys can be administered in person, over the phone, through mail or email, or online. Surveys can be used to gather information on attitudes, opinions, or behaviors related to the case study.

Artifacts are physical objects relevant to the case study. Artifacts can include tools, equipment, products, or other objects that provide insights into the case study phenomenon.

How to conduct Case Study Research

Conducting a case study research involves several steps that need to be followed to ensure the quality and rigor of the study. Here are the steps to conduct case study research:

• Define the research questions: The first step in conducting a case study research is to define the research questions. The research questions should be specific, measurable, and relevant to the case study phenomenon under investigation.
• Select the case: The next step is to select the case or cases to be studied. The case should be relevant to the research questions and should provide rich and diverse data that can be used to answer the research questions.
• Collect data: Data can be collected using various methods, such as interviews, observations, documents, surveys, and artifacts. The data collection method should be selected based on the research questions and the nature of the case study phenomenon.
• Analyze the data: The data collected from the case study should be analyzed using various techniques, such as content analysis, thematic analysis, or grounded theory. The analysis should be guided by the research questions and should aim to provide insights and conclusions relevant to the research questions.
• Draw conclusions: The conclusions drawn from the case study should be based on the data analysis and should be relevant to the research questions. The conclusions should be supported by evidence and should be clearly stated.
• Validate the findings: The findings of the case study should be validated by reviewing the data and the analysis with participants or other experts in the field. This helps to ensure the validity and reliability of the findings.
• Write the report: The final step is to write the report of the case study research. The report should provide a clear description of the case study phenomenon, the research questions, the data collection methods, the data analysis, the findings, and the conclusions. The report should be written in a clear and concise manner and should follow the guidelines for academic writing.

Examples of Case Study

Here are some examples of case study research:

• The Hawthorne Studies : Conducted between 1924 and 1932, the Hawthorne Studies were a series of case studies conducted by Elton Mayo and his colleagues to examine the impact of work environment on employee productivity. The studies were conducted at the Hawthorne Works plant of the Western Electric Company in Chicago and included interviews, observations, and experiments.
• The Stanford Prison Experiment: Conducted in 1971, the Stanford Prison Experiment was a case study conducted by Philip Zimbardo to examine the psychological effects of power and authority. The study involved simulating a prison environment and assigning participants to the role of guards or prisoners. The study was controversial due to the ethical issues it raised.
• The Challenger Disaster: The Challenger Disaster was a case study conducted to examine the causes of the Space Shuttle Challenger explosion in 1986. The study included interviews, observations, and analysis of data to identify the technical, organizational, and cultural factors that contributed to the disaster.
• The Enron Scandal: The Enron Scandal was a case study conducted to examine the causes of the Enron Corporation’s bankruptcy in 2001. The study included interviews, analysis of financial data, and review of documents to identify the accounting practices, corporate culture, and ethical issues that led to the company’s downfall.
• The Fukushima Nuclear Disaster : The Fukushima Nuclear Disaster was a case study conducted to examine the causes of the nuclear accident that occurred at the Fukushima Daiichi Nuclear Power Plant in Japan in 2011. The study included interviews, analysis of data, and review of documents to identify the technical, organizational, and cultural factors that contributed to the disaster.

Application of Case Study

Case studies have a wide range of applications across various fields and industries. Here are some examples:

Business and Management

Case studies are widely used in business and management to examine real-life situations and develop problem-solving skills. Case studies can help students and professionals to develop a deep understanding of business concepts, theories, and best practices.

Case studies are used in healthcare to examine patient care, treatment options, and outcomes. Case studies can help healthcare professionals to develop critical thinking skills, diagnose complex medical conditions, and develop effective treatment plans.

Case studies are used in education to examine teaching and learning practices. Case studies can help educators to develop effective teaching strategies, evaluate student progress, and identify areas for improvement.

Social Sciences

Case studies are widely used in social sciences to examine human behavior, social phenomena, and cultural practices. Case studies can help researchers to develop theories, test hypotheses, and gain insights into complex social issues.

Law and Ethics

Case studies are used in law and ethics to examine legal and ethical dilemmas. Case studies can help lawyers, policymakers, and ethical professionals to develop critical thinking skills, analyze complex cases, and make informed decisions.

Purpose of Case Study

The purpose of a case study is to provide a detailed analysis of a specific phenomenon, issue, or problem in its real-life context. A case study is a qualitative research method that involves the in-depth exploration and analysis of a particular case, which can be an individual, group, organization, event, or community.

The primary purpose of a case study is to generate a comprehensive and nuanced understanding of the case, including its history, context, and dynamics. Case studies can help researchers to identify and examine the underlying factors, processes, and mechanisms that contribute to the case and its outcomes. This can help to develop a more accurate and detailed understanding of the case, which can inform future research, practice, or policy.

Case studies can also serve other purposes, including:

• Illustrating a theory or concept: Case studies can be used to illustrate and explain theoretical concepts and frameworks, providing concrete examples of how they can be applied in real-life situations.
• Developing hypotheses: Case studies can help to generate hypotheses about the causal relationships between different factors and outcomes, which can be tested through further research.
• Providing insight into complex issues: Case studies can provide insights into complex and multifaceted issues, which may be difficult to understand through other research methods.
• Informing practice or policy: Case studies can be used to inform practice or policy by identifying best practices, lessons learned, or areas for improvement.

Advantages of Case Study Research

There are several advantages of case study research, including:

• In-depth exploration: Case study research allows for a detailed exploration and analysis of a specific phenomenon, issue, or problem in its real-life context. This can provide a comprehensive understanding of the case and its dynamics, which may not be possible through other research methods.
• Rich data: Case study research can generate rich and detailed data, including qualitative data such as interviews, observations, and documents. This can provide a nuanced understanding of the case and its complexity.
• Holistic perspective: Case study research allows for a holistic perspective of the case, taking into account the various factors, processes, and mechanisms that contribute to the case and its outcomes. This can help to develop a more accurate and comprehensive understanding of the case.
• Theory development: Case study research can help to develop and refine theories and concepts by providing empirical evidence and concrete examples of how they can be applied in real-life situations.
• Practical application: Case study research can inform practice or policy by identifying best practices, lessons learned, or areas for improvement.
• Contextualization: Case study research takes into account the specific context in which the case is situated, which can help to understand how the case is influenced by the social, cultural, and historical factors of its environment.

Limitations of Case Study Research

There are several limitations of case study research, including:

• Limited generalizability : Case studies are typically focused on a single case or a small number of cases, which limits the generalizability of the findings. The unique characteristics of the case may not be applicable to other contexts or populations, which may limit the external validity of the research.
• Biased sampling: Case studies may rely on purposive or convenience sampling, which can introduce bias into the sample selection process. This may limit the representativeness of the sample and the generalizability of the findings.
• Subjectivity: Case studies rely on the interpretation of the researcher, which can introduce subjectivity into the analysis. The researcher’s own biases, assumptions, and perspectives may influence the findings, which may limit the objectivity of the research.
• Limited control: Case studies are typically conducted in naturalistic settings, which limits the control that the researcher has over the environment and the variables being studied. This may limit the ability to establish causal relationships between variables.
• Time-consuming: Case studies can be time-consuming to conduct, as they typically involve a detailed exploration and analysis of a specific case. This may limit the feasibility of conducting multiple case studies or conducting case studies in a timely manner.
• Resource-intensive: Case studies may require significant resources, including time, funding, and expertise. This may limit the ability of researchers to conduct case studies in resource-constrained settings.

About the author

Muhammad Hassan

Researcher, Academic Writer, Web developer

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What Is a Case Study? How to Write, Examples, and Template

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How to write a case study

Case study template, case study examples, types of case studies, what are the benefits of case studies , what are the limitations of case studies , case study vs. testimonial.

In today's marketplace, conveying your product's value through a compelling narrative is crucial to genuinely connecting with your customers.

Your business can use marketing analytics tools to understand what customers want to know about your product. Once you have this information, the next step is to showcase your product and its benefits to your target audience. This strategy involves a mix of data, analysis, and storytelling. Combining these elements allows you to create a narrative that engages your audience. So, how can you do this effectively?

What is a case study? 

A case study is a powerful tool for showcasing a business's success in helping clients achieve their goals. It's a form of storytelling that details real-world scenarios where a business implemented its solutions to deliver positive results for a client.

In this article, we explore the concept of a case study , including its writing process, benefits, various types, challenges, and more.

Understanding how to write a case study is an invaluable skill. You'll need to embrace decision-making – from deciding which customers to feature to designing the best format to make them as engaging as possible.  This can feel overwhelming in a hurry, so let's break it down.

Step 1: Reach out to the target persona

If you've been in business for a while, you have no shortage of happy customers. But w ith limited time and resources, you can't choose everyone.  So, take some time beforehand to flesh out your target buyer personas. 

Once you know precisely who you're targeting, go through your stable of happy customers to find a buyer representative of the audience you're trying to reach. The closer their problems, goals, and industries align, the more your case study will resonate.

What if you have more than one buyer persona? No problem. This is a common situation for companies because buyers comprise an entire committee. You might be marketing to procurement experts, executives, engineers, etc. Try to develop a case study tailored to each key persona. This might be a long-term goal, and that's fine. The better you can personalize the experience for each stakeholder, the easier it is to keep their attention.  

Here are a few considerations to think about before research:

• Products/services of yours the customer uses (and how familiar they are with them)
• The customer's brand recognition in the industry
• Whether the results they've achieved are specific and remarkable
• Whether they've switched from a competitor's product/service
• How closely aligned they are with your target audience

These items are just a jumping-off point as you develop your criteria.  Once you have a list, run each customer through it to determine your top targets. Approach the ones on the top (your "dream" case study subjects) and work your way down as needed.

Who to interview

You should consider interviewing top-level managers or executives because those are high-profile positions. But consider how close they are to your product and its results.

Focusing on an office manager or engineer who uses your product daily would be better. Look for someone with a courtside view of the effects.

The ways to request customer participation in case studies can vary, but certain principles can improve your chances:

• Make it easy for customers to work with you, respecting their valuable time. Be well-prepared and minimize their involvement.
• Emphasize how customers will benefit through increased publicity, revenue opportunities, or recognition for their success. 
• Acknowledge their contributions and showcase their achievements.
• Standardizing the request process with a script incorporating these principles can help your team consistently secure case study approvals and track performance.

Step 2: Prepare for the interview

Case study interviews are like school exams. The more prepared you are for them, the better they turn out. Preparing thoroughly also shows participants that you value their time. You don't waste precious minutes rehashing things you should have already known. You focus on getting the information you need as efficiently as possible.

You can conduct your case study interview in multiple formats, from exchanging emails to in-person interviews. This isn't a trivial decision.  As you'll see in the chart below, each format has its unique advantages and disadvantages. 

You'll also have to consider who will ask and answer the questions during your case study interview. It's wise to consider this while considering the case study format.  The number of participants factors into which format will work best. Pulling off an in-person interview becomes much harder if you're trying to juggle four or five people's busy schedules. Try a video conference instead.

Before interviewing your case study participant, it is crucial to identify the specific questions that need to be asked.  It's essential to thoroughly evaluate your collaboration with the client and understand how your product's contributions impact the company. 

Remember that structuring your case study is akin to crafting a compelling narrative. To achieve this, follow a structured approach:

• Beginning of your story. Delve into the customer's challenge that ultimately led them to do business with you. What were their problems like? What drove them to make a decision finally? Why did they choose you?
• The middle of the case study.  Your audience also wants to know about the experience of working with you. Your customer has taken action to address their problems. What happened once you got on board?
• An ending that makes you the hero.  Describe the specific results your company produced for the customer. How has the customer's business (and life) changed once they implemented your solution?

Sample questions for the case study interview

If you're preparing for a case study interview, here are some sample case study research questions to help you get started:

• What challenges led you to seek a solution?
• When did you realize the need for immediate action? Was there a tipping point?
• How did you decide on the criteria for choosing a B2B solution, and who was involved?
• What set our product or service apart from others you considered?
• How was your experience working with us post-purchase?
• Were there any pleasant surprises or exceeded expectations during our collaboration?
• How smoothly did your team integrate our solution into their workflows?
• How long before you started seeing positive results?
• How have you benefited from our products or services?
• How do you measure the value our product or service provides?

Step 3: Conduct the interview

Preparing for case study interviews can be different from everyday conversations. Here are some tips to keep in mind:

• Create a comfortable atmosphere.  Before diving into the discussion, talk about their business and personal interests. Ensure everyone is at ease, and address any questions or concerns.
• Prioritize key questions.  Lead with your most crucial questions to respect your customer's time. Interview lengths can vary, so starting with the essentials ensures you get the vital information.
• Be flexible.  Case study interviews don't have to be rigid. If your interviewee goes "off script," embrace it. Their spontaneous responses often provide valuable insights.
• Record the interview.  If not conducted via email, ask for permission to record the interview. This lets you focus on the conversation and capture valuable quotes without distractions.

Step 4: Figure out who will create the case study

When creating written case studies for your business, deciding who should handle the writing depends on cost, perspective, and revisions.

Outsourcing might be pricier, but it ensures a professionally crafted outcome. On the other hand, in-house writing has its considerations, including understanding your customers and products. 

Technical expertise and equipment are needed for video case studies, which often leads companies to consider outsourcing due to production and editing costs. 

Tip: When outsourcing work, it's essential to clearly understand pricing details to avoid surprises and unexpected charges during payment.

Step 5: Utilize storytelling

Understanding and applying storytelling elements can make your case studies unforgettable, offering a competitive edge. 

Source: The Framework Bank

Every great study follows a narrative arc (also called a "story arc"). This arc represents how a character faces challenges, struggles against raising stakes, and encounters a formidable obstacle before the tension resolves.

In a case study narrative, consider:

• Exposition. Provide background information about the company, revealing their "old life" before becoming your customer.
• Inciting incident. Highlight the problem that drove the customer to seek a solution, creating a sense of urgency.
• Obstacles (rising action). Describe the customer's journey in researching and evaluating solutions, building tension as they explore options.
• Midpoint. Explain what made the business choose your product or service and what set you apart.
• Climax. Showcase the success achieved with your product.
• Denouement. Describe the customer's transformed business and end with a call-to-action for the reader to take the next step.

Step 6: Design the case study

The adage "Don't judge a book by its cover" is familiar, but people tend to do just that quite often!

A poor layout can deter readers even if you have an outstanding case study. To create an engaging case study, follow these steps:

• Craft a compelling title. Just like you wouldn't read a newspaper article without an eye-catching headline, the same goes for case studies. Start with a title that grabs attention.
• Organize your content. Break down your content into different sections, such as challenges, results, etc. Each section can also include subsections. This case study approach divides the content into manageable portions, preventing readers from feeling overwhelmed by lengthy blocks of text.
• Conciseness is key. Keep your case study as concise as possible. The most compelling case studies are precisely long enough to introduce the customer's challenge, experience with your solution, and outstanding results. Prioritize clarity and omit any sections that may detract from the main storyline.
• Utilize visual elements. To break up text and maintain reader interest, incorporate visual elements like callout boxes, bulleted lists, and sidebars.
• Include charts and images. Summarize results and simplify complex topics by including pictures and charts. Visual aids enhance the overall appeal of your case study.
• Embrace white space. Avoid overwhelming walls of text to prevent reader fatigue. Opt for plenty of white space, use shorter paragraphs, and employ subsections to ensure easy readability and navigation.
• Enhance video case studies. In video case studies, elements like music, fonts, and color grading are pivotal in setting the right tone. Choose music that complements your message and use it strategically throughout your story. Carefully select fonts to convey the desired style, and consider how lighting and color grading can influence the mood. These elements collectively help create the desired tone for your video case study.

Step 7: Edits and revisions

Once you've finished the interview and created your case study, the hardest part is over. Now's the time for editing and revision. This might feel frustrating for impatient B2B marketers, but it can turn good stories into great ones.

Ideally, you'll want to submit your case study through two different rounds of editing and revisions:

• Internal review. Seek feedback from various team members to ensure your case study is captivating and error-free. Gather perspectives from marketing, sales, and those in close contact with customers for well-rounded insights. Use patterns from this feedback to guide revisions and apply lessons to future case studies.
• Customer feedback. Share the case study with customers to make them feel valued and ensure accuracy. Let them review quotes and data points, as they are the "heroes" of the story, and their logos will be prominently featured. This step maintains positive customer relationships.

Case study mistakes to avoid

• Ensure easy access to case studies on your website.
• Spotlight the customer, not just your business.
• Tailor each case study to a specific audience.
• Avoid excessive industry jargon in your content.

Step 8: Publishing

Take a moment to proofread your case study one more time carefully. Even if you're reasonably confident you've caught all the errors, it's always a good idea to check. Your case study will be a valuable marketing tool for years, so it's worth the investment to ensure it's flawless. Once done, your case study is all set to go!

Consider sharing a copy of the completed case study with your customer as a thoughtful gesture. They'll likely appreciate it; some may want to keep it for their records. After all, your case study wouldn't have been possible without their help, and they deserve to see the final product.

Where you publish your case study depends on its role in your overall marketing strategy. If you want to reach as many people as possible with your case study, consider publishing it on your website and social media platforms. 

Tip: Some companies prefer to keep their case studies exclusive, making them available only to those who request them. This approach is often taken to control access to valuable information and to engage more deeply with potential customers who express specific interests. It can create a sense of exclusivity and encourage interested parties to engage directly with the company.

Step 9: Case study distribution

When sharing individual case studies, concentrate on reaching the audience with the most influence on purchasing decisions

Here are some common distribution channels to consider:

• Sales teams. Share case studies to enhance customer interactions, retention , and upselling among your sales and customer success teams. Keep them updated on new studies and offer easily accessible formats like PDFs or landing page links.
• Company website. Feature case studies on your website to establish authority and provide valuable information to potential buyers. Organize them by categories such as location, size, industry, challenges, and products or services used for effective presentation.
• Events. Use live events like conferences and webinars to distribute printed case study copies, showcase video case studies at trade show booths, and conclude webinars with links to your case study library. This creative approach blends personal interactions with compelling content.
• Industry journalists. Engage relevant industry journalists to gain media coverage by identifying suitable publications and journalists covering related topics. Building relationships is vital, and platforms like HARO (Help A Reporter Out) can facilitate connections, especially if your competitors have received coverage before.

Want to learn more about Marketing Analytics Software? Explore Marketing Analytics products.

It can seem daunting to transform the information you've gathered into a cohesive narrative.  We’ve created a versatile case study template that can serve as a solid starting point for your case study.

With this template, your business can explore any solutions offered to satisfied customers, covering their background, the factors that led them to choose your services, and their outcomes.

The template boasts a straightforward design, featuring distinct sections that guide you in effectively narrating your and your customer's story. However, remember that limitless ways to showcase your business's accomplishments exist.

To assist you in this process, here's a breakdown of the recommended sections to include in a case study:

• Title.  Keep it concise. Create a brief yet engaging project title summarizing your work with your subject. Consider your title like a newspaper headline; do it well, and readers will want to learn more. 
• Subtitle . Use this section to elaborate on the achievement briefly. Make it creative and catchy to engage your audience.
• Executive summary.  Use this as an overview of the story, followed by 2-3 bullet points highlighting key success metrics.
• Challenges and objectives. This section describes the customer's challenges before adopting your product or service, along with the goals or objectives they sought to achieve.
• How product/service helped.  A paragraph explaining how your product or service addressed their problem.
• Testimonials.  Incorporate short quotes or statements from the individuals involved in the case study, sharing their perspectives and experiences.
• Supporting visuals.  Include one or two impactful visuals, such as graphs, infographics, or highlighted metrics, that reinforce the narrative.
• Call to action (CTA).  If you do your job well, your audience will read (or watch) your case studies from beginning to end. They are interested in everything you've said. Now, what's the next step they should take to continue their relationship with you? Give people a simple action they can complete. 

Case studies are proven marketing strategies in a wide variety of B2B industries. Here are just a few examples of a case study:

• Amazon Web Services, Inc.  provides companies with cloud computing platforms and APIs on a metered, pay-as-you-go basis. This case study example illustrates the benefits Thomson Reuters experienced using AWS.
• LinkedIn Marketing Solutions combines captivating visuals with measurable results in the case study created for BlackRock. This case study illustrates how LinkedIn has contributed to the growth of BlackRock's brand awareness over the years. 
• Salesforce , a sales and marketing automation SaaS solutions provider, seamlessly integrates written and visual elements to convey its success stories with Pepe Jeans. This case study effectively demonstrates how Pepe Jeans is captivating online shoppers with immersive and context-driven e-commerce experiences through Salesforce.
• HubSpot offers a combination of sales and marketing tools. Their case study demonstrates the effectiveness of its all-in-one solutions. These typically focus on a particular client's journey and how HubSpot helped them achieve significant results.

There are two different types of case studies that businesses might utilize:

Written case studies 

Written case studies offer readers a clear visual representation of data, which helps them quickly identify and focus on the information that matters most. 

Printed versions of case studies find their place at events like trade shows, where they serve as valuable sales collateral to engage prospective clients.  Even in the digital age, many businesses provide case studies in PDF format or as web-based landing pages, improving accessibility for their audience. 

Note: Landing pages , in particular, offer the flexibility to incorporate rich multimedia content, including images, charts, and videos. This flexibility in design makes landing pages an attractive choice for presenting detailed content to the audience.

Written case study advantages

Here are several significant advantages to leveraging case studies for your company:

• Hyperlink accessibility.  Whether in PDF or landing page format, written case studies allow for embedded hyperlinks, offering prospects easy access to additional information and contact forms.
• Flexible engagement.  Unlike video case studies, which may demand in-person arrangements, written case studies can be conducted via phone or video streaming, reducing customer commitment and simplifying scheduling.
• Efficient scanning . Well-structured written case studies with a scannable format cater to time-strapped professionals. Charts and callout boxes with key statistics enhance the ease of information retrieval.
• Printable for offline use.  Written case studies can be effortlessly printed and distributed at trade shows, sales meetings, and live events. This tangible format accommodates those who prefer physical materials and provides versatility in outreach, unlike video content, which is less portable.

Written case study disadvantages

Here are some drawbacks associated with the use of case studies:

• Reduced emotional impact.  Written content lacks the emotional punch of live video testimonials, which engage more senses and emotions, making a stronger connection.
• Consider time investment.  Creating a compelling case study involves editing, proofreading, and design collaboration, with multiple revisions commonly required before publication.
• Challenges in maintaining attention.  Attention spans are short in today's ad-saturated world. Using graphics, infographics, and videos more often is more powerful to incite the right emotions in customers.

Video case studies

Video case studies are the latest marketing trend. Unlike in the past, when video production was costly, today's tools make it more accessible for users to create and edit their videos. However, specific technical requirements still apply.

Like written case studies, video case studies delve into a specific customer's challenges and how your business provides solutions. Yet, the video offers a more profound connection by showcasing the person who faced and conquered the problem.

Video case studies can boost brand exposure when shared on platforms like YouTube. For example, Slack's engaging case study video with Sandwich Video illustrates how Slack transformed its workflow and adds humor, which can be challenging in written case studies focused on factual evidence.

Source : YouTube

This video case study has garnered nearly a million views on YouTube.

Video case study advantages

Here are some of the top advantages of video case studies. While video testimonials take more time, the payoff can be worth it. 

• Humanization and authenticity.  Video case studies connect viewers with real people, adding authenticity and fostering a stronger emotional connection.
• Engaging multiple senses.  They engage both auditory and visual senses, enhancing credibility and emotional impact. Charts, statistics, and images can also be incorporated.
• Broad distribution.  Videos can be shared on websites, YouTube, social media, and more, reaching diverse audiences and boosting engagement, especially on social platforms.

Video case study disadvantages

Before fully committing to video testimonials, consider the following:

• Technical expertise and equipment.  Video production requires technical know-how and equipment, which can be costly. Skilled video editing is essential to maintain a professional image. While technology advances, producing amateurish videos may harm your brand's perception.
• Viewer convenience.  Some prospects prefer written formats due to faster reading and ease of navigation. Video typically requires sound, which can be inconvenient for viewers in specific settings. Many people may not have headphones readily available to watch your content.
• Demand on case study participants.  On-camera interviews can be time-consuming and location-dependent, making scheduling challenging for case study participants. Additionally, being on screen for a global audience may create insecurities and performance pressure.
• Comfort on camera.  Not everyone feels at ease on camera. Nervousness or a different on-screen persona can impact the effectiveness of the testimonial, and discovering this late in the process can be problematic.

Written or video case studies: Which is right for you?

Now that you know the pros and cons of each, how do you choose which is right for you?

One of the most significant factors in doing video case studies can be the technical expertise and equipment required for a high level of production quality. Whether you have the budget to do this in-house or hire a production company can be one of the major deciding factors.

Still, written or video doesn't have to be an either-or decision. Some B2B companies are using both formats. They can complement each other nicely, minimizing the downsides mentioned above and reaching your potential customers where they prefer.

Let's say you're selling IT network security. What you offer is invaluable but complicated. You could create a short (three- or four-minute) video case study to get attention and touch on the significant benefits of your services. This whets the viewer's appetite for more information, which they could find in a written case study that supplements the video.

Should you decide to test the water in video case studies, test their effectiveness among your target audience. See how well they work for your company and sales team. And, just like a written case study, you can always find ways to improve your process as you continue exploring video case studies.

Case studies offer several distinctive advantages, making them an ideal tool for businesses to market their products to customers. However, their benefits extend beyond these qualities. 

Here's an overview of all the advantages of case studies:

Valuable sales support

Case studies serve as a valuable resource for your sales endeavors. Buyers frequently require additional information before finalizing a purchase decision. These studies provide concrete evidence of your product or service's effectiveness, assisting your sales representatives in closing deals more efficiently, especially with customers with lingering uncertainties.

Validating your value

Case studies serve as evidence of your product or service's worth or value proposition , playing a role in building trust with potential customers. By showcasing successful partnerships, you make it easier for prospects to place trust in your offerings. This effect is particularly notable when the featured customer holds a reputable status.

Unique and engaging content

By working closely with your customer success teams, you can uncover various customer stories that resonate with different prospects. Case studies allow marketers to shape product features and benefits into compelling narratives. 

Each case study's distinctiveness, mirroring the uniqueness of every customer's journey, makes them a valuable source of relatable and engaging content. Storytelling possesses the unique ability to connect with audiences on an emotional level, a dimension that statistics alone often cannot achieve. 

Spotlighting valuable customers

Case studies provide a valuable platform for showcasing your esteemed customers. Featuring them in these studies offers a chance to give them visibility and express your gratitude for the partnership, which can enhance customer loyalty . Depending on the company you are writing about, it can also demonstrate the caliber of your business.

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It's important to consider limitations when designing and interpreting the results of case studies. Here's an overview of the limitations of case studies:

Challenges in replication

Case studies often focus on specific individuals, organizations, or situations, making generalizing their findings to broader populations or contexts challenging. 

Time-intensive process

Case studies require a significant time investment. The extensive data collection process and the need for comprehensive analysis can be demanding, especially for researchers who are new to this method.

Potential for errors

Case studies can be influenced by memory and judgment, potentially leading to inaccuracies. Depending on human memory to reconstruct a case's history may result in variations and potential inconsistencies in how individuals recall past events. Additionally, bias may emerge, as individuals tend to prioritize what they consider most significant, which could limit their consideration of alternative perspectives.

Challenges in verification

Confirming results through additional research can present difficulties. This complexity arises from the need for detailed and extensive data in the initial creation of a case study. Consequently, this process requires significant effort and a substantial amount of time.

While looking at case studies, you may have noticed a quote. This type of quote is considered a testimonial, a key element of case studies.

If a customer's quote proves that your brand does what it says it will or performs as expected, you may wonder: 'Aren't customer testimonials and case studies the same thing?' Not exactly.

Testimonials are brief endorsements designed to establish trust on a broad scale. In contrast, case studies are detailed narratives that offer a comprehensive understanding of how a product or service addresses a specific problem, targeting a more focused audience. 

Crafting case studies requires more resources and a structured approach than testimonials. Your selection between the two depends on your marketing objectives and the complexity of your product or service.

Case in point!

Case studies are among a company's most effective tools. You're  well on your way to mastering them.

Today's buyers are tackling much of the case study research methodology independently. Many are understandably skeptical before making a buying decision. By connecting them with multiple case studies, you can prove you've gotten the results you say you can. There's hardly a better way to boost your credibility and persuade them to consider your solution.

Case study formats and distribution methods might change as technology evolves. However, the fundamentals that make them effective—knowing how to choose subjects, conduct interviews, and structure everything to get attention—will serve you for as long as you're in business. 

We covered a ton of concepts and resources, so go ahead and bookmark this page. You can refer to it whenever you have questions or need a refresher.

Dive into market research to uncover customer preferences and spending habits.

Kristen McCabe

Kristen’s is a former senior content marketing specialist at G2. Her global marketing experience extends from Australia to Chicago, with expertise in B2B and B2C industries. Specializing in content, conversions, and events, Kristen spends her time outside of work time acting, learning nature photography, and joining in the #instadog fun with her Pug/Jack Russell, Bella. (she/her/hers)

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What is case study research?

Last updated

8 February 2023

Reviewed by

Cathy Heath

Short on time? Get an AI generated summary of this article instead

Suppose a company receives a spike in the number of customer complaints, or medical experts discover an outbreak of illness affecting children but are not quite sure of the reason. In both cases, carrying out a case study could be the best way to get answers.

Organization

Case studies can be carried out across different disciplines, including education, medicine, sociology, and business.

Most case studies employ qualitative methods, but quantitative methods can also be used. Researchers can then describe, compare, evaluate, and identify patterns or cause-and-effect relationships between the various variables under study. They can then use this knowledge to decide what action to take. 

Another thing to note is that case studies are generally singular in their focus. This means they narrow focus to a particular area, making them highly subjective. You cannot always generalize the results of a case study and apply them to a larger population. However, they are valuable tools to illustrate a principle or develop a thesis.

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Dovetail streamlines case study research to help you uncover and share actionable insights

• What are the different types of case study designs?

Researchers can choose from a variety of case study designs. The design they choose is dependent on what questions they need to answer, the context of the research environment, how much data they already have, and what resources are available.

Here are the common types of case study design:

Explanatory

An explanatory case study is an initial explanation of the how or why that is behind something. This design is commonly used when studying a real-life phenomenon or event. Once the organization understands the reasons behind a phenomenon, it can then make changes to enhance or eliminate the variables causing it. 

Here is an example: How is co-teaching implemented in elementary schools? The title for a case study of this subject could be “Case Study of the Implementation of Co-Teaching in Elementary Schools.”

Descriptive

An illustrative or descriptive case study helps researchers shed light on an unfamiliar object or subject after a period of time. The case study provides an in-depth review of the issue at hand and adds real-world examples in the area the researcher wants the audience to understand. 

The researcher makes no inferences or causal statements about the object or subject under review. This type of design is often used to understand cultural shifts.

Here is an example: How did people cope with the 2004 Indian Ocean Tsunami? This case study could be titled "A Case Study of the 2004 Indian Ocean Tsunami and its Effect on the Indonesian Population."

Exploratory

Exploratory research is also called a pilot case study. It is usually the first step within a larger research project, often relying on questionnaires and surveys . Researchers use exploratory research to help narrow down their focus, define parameters, draft a specific research question , and/or identify variables in a larger study. This research design usually covers a wider area than others, and focuses on the ‘what’ and ‘who’ of a topic.

Here is an example: How do nutrition and socialization in early childhood affect learning in children? The title of the exploratory study may be “Case Study of the Effects of Nutrition and Socialization on Learning in Early Childhood.”

An intrinsic case study is specifically designed to look at a unique and special phenomenon. At the start of the study, the researcher defines the phenomenon and the uniqueness that differentiates it from others. 

In this case, researchers do not attempt to generalize, compare, or challenge the existing assumptions. Instead, they explore the unique variables to enhance understanding. Here is an example: “Case Study of Volcanic Lightning.”

This design can also be identified as a cumulative case study. It uses information from past studies or observations of groups of people in certain settings as the foundation of the new study. Given that it takes multiple areas into account, it allows for greater generalization than a single case study. 

The researchers also get an in-depth look at a particular subject from different viewpoints.  Here is an example: “Case Study of how PTSD affected Vietnam and Gulf War Veterans Differently Due to Advances in Military Technology.”

Critical instance

A critical case study incorporates both explanatory and intrinsic study designs. It does not have predetermined purposes beyond an investigation of the said subject. It can be used for a deeper explanation of the cause-and-effect relationship. It can also be used to question a common assumption or myth. 

The findings can then be used further to generalize whether they would also apply in a different environment.  Here is an example: “What Effect Does Prolonged Use of Social Media Have on the Mind of American Youth?”

Instrumental

Instrumental research attempts to achieve goals beyond understanding the object at hand. Researchers explore a larger subject through different, separate studies and use the findings to understand its relationship to another subject. This type of design also provides insight into an issue or helps refine a theory. 

For example, you may want to determine if violent behavior in children predisposes them to crime later in life. The focus is on the relationship between children and violent behavior, and why certain children do become violent. Here is an example: “Violence Breeds Violence: Childhood Exposure and Participation in Adult Crime.”

Evaluation case study design is employed to research the effects of a program, policy, or intervention, and assess its effectiveness and impact on future decision-making. 

For example, you might want to see whether children learn times tables quicker through an educational game on their iPad versus a more teacher-led intervention. Here is an example: “An Investigation of the Impact of an iPad Multiplication Game for Primary School Children.” 

• When do you use case studies?

Case studies are ideal when you want to gain a contextual, concrete, or in-depth understanding of a particular subject. It helps you understand the characteristics, implications, and meanings of the subject.

They are also an excellent choice for those writing a thesis or dissertation, as they help keep the project focused on a particular area when resources or time may be too limited to cover a wider one. You may have to conduct several case studies to explore different aspects of the subject in question and understand the problem.

• What are the steps to follow when conducting a case study?

1. Select a case

Once you identify the problem at hand and come up with questions, identify the case you will focus on. The study can provide insights into the subject at hand, challenge existing assumptions, propose a course of action, and/or open up new areas for further research.

2. Create a theoretical framework

While you will be focusing on a specific detail, the case study design you choose should be linked to existing knowledge on the topic. This prevents it from becoming an isolated description and allows for enhancing the existing information. 

It may expand the current theory by bringing up new ideas or concepts, challenge established assumptions, or exemplify a theory by exploring how it answers the problem at hand. A theoretical framework starts with a literature review of the sources relevant to the topic in focus. This helps in identifying key concepts to guide analysis and interpretation.

3. Collect the data

Case studies are frequently supplemented with qualitative data such as observations, interviews, and a review of both primary and secondary sources such as official records, news articles, and photographs. There may also be quantitative data —this data assists in understanding the case thoroughly.

4. Analyze your case

The results of the research depend on the research design. Most case studies are structured with chapters or topic headings for easy explanation and presentation. Others may be written as narratives to allow researchers to explore various angles of the topic and analyze its meanings and implications.

In all areas, always give a detailed contextual understanding of the case and connect it to the existing theory and literature before discussing how it fits into your problem area.

• What are some case study examples?

What are the best approaches for introducing our product into the Kenyan market?

How does the change in marketing strategy aid in increasing the sales volumes of product Y?

How can teachers enhance student participation in classrooms?

How does poverty affect literacy levels in children?

Case study topics

Case study of product marketing strategies in the Kenyan market

Case study of the effects of a marketing strategy change on product Y sales volumes

Case study of X school teachers that encourage active student participation in the classroom

Case study of the effects of poverty on literacy levels in children

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The Ultimate Guide to Qualitative Research - Part 1: The Basics

• Introduction and overview
• What is qualitative research?
• What is qualitative data?
• Examples of qualitative data
• Qualitative vs. quantitative research
• Mixed methods
• Qualitative research preparation
• Theoretical perspective
• Theoretical framework
• Literature reviews

Research question

• Conceptual framework
• Conceptual vs. theoretical framework

Data collection

• Qualitative research methods
• Focus groups
• Observational research

What is a case study?

Applications for case study research, what is a good case study, process of case study design, benefits and limitations of case studies.

• Ethnographical research
• Ethical considerations
• Confidentiality and privacy
• Power dynamics
• Reflexivity

Case studies

Case studies are essential to qualitative research , offering a lens through which researchers can investigate complex phenomena within their real-life contexts. This chapter explores the concept, purpose, applications, examples, and types of case studies and provides guidance on how to conduct case study research effectively.

Whereas quantitative methods look at phenomena at scale, case study research looks at a concept or phenomenon in considerable detail. While analyzing a single case can help understand one perspective regarding the object of research inquiry, analyzing multiple cases can help obtain a more holistic sense of the topic or issue. Let's provide a basic definition of a case study, then explore its characteristics and role in the qualitative research process.

Definition of a case study

A case study in qualitative research is a strategy of inquiry that involves an in-depth investigation of a phenomenon within its real-world context. It provides researchers with the opportunity to acquire an in-depth understanding of intricate details that might not be as apparent or accessible through other methods of research. The specific case or cases being studied can be a single person, group, or organization – demarcating what constitutes a relevant case worth studying depends on the researcher and their research question .

Among qualitative research methods , a case study relies on multiple sources of evidence, such as documents, artifacts, interviews , or observations , to present a complete and nuanced understanding of the phenomenon under investigation. The objective is to illuminate the readers' understanding of the phenomenon beyond its abstract statistical or theoretical explanations.

Characteristics of case studies

Case studies typically possess a number of distinct characteristics that set them apart from other research methods. These characteristics include a focus on holistic description and explanation, flexibility in the design and data collection methods, reliance on multiple sources of evidence, and emphasis on the context in which the phenomenon occurs.

Furthermore, case studies can often involve a longitudinal examination of the case, meaning they study the case over a period of time. These characteristics allow case studies to yield comprehensive, in-depth, and richly contextualized insights about the phenomenon of interest.

The role of case studies in research

Case studies hold a unique position in the broader landscape of research methods aimed at theory development. They are instrumental when the primary research interest is to gain an intensive, detailed understanding of a phenomenon in its real-life context.

In addition, case studies can serve different purposes within research - they can be used for exploratory, descriptive, or explanatory purposes, depending on the research question and objectives. This flexibility and depth make case studies a valuable tool in the toolkit of qualitative researchers.

Remember, a well-conducted case study can offer a rich, insightful contribution to both academic and practical knowledge through theory development or theory verification, thus enhancing our understanding of complex phenomena in their real-world contexts.

What is the purpose of a case study?

Case study research aims for a more comprehensive understanding of phenomena, requiring various research methods to gather information for qualitative analysis . Ultimately, a case study can allow the researcher to gain insight into a particular object of inquiry and develop a theoretical framework relevant to the research inquiry.

Why use case studies in qualitative research?

Using case studies as a research strategy depends mainly on the nature of the research question and the researcher's access to the data.

Conducting case study research provides a level of detail and contextual richness that other research methods might not offer. They are beneficial when there's a need to understand complex social phenomena within their natural contexts.

The explanatory, exploratory, and descriptive roles of case studies

Case studies can take on various roles depending on the research objectives. They can be exploratory when the research aims to discover new phenomena or define new research questions; they are descriptive when the objective is to depict a phenomenon within its context in a detailed manner; and they can be explanatory if the goal is to understand specific relationships within the studied context. Thus, the versatility of case studies allows researchers to approach their topic from different angles, offering multiple ways to uncover and interpret the data .

The impact of case studies on knowledge development

Case studies play a significant role in knowledge development across various disciplines. Analysis of cases provides an avenue for researchers to explore phenomena within their context based on the collected data.

This can result in the production of rich, practical insights that can be instrumental in both theory-building and practice. Case studies allow researchers to delve into the intricacies and complexities of real-life situations, uncovering insights that might otherwise remain hidden.

Types of case studies

In qualitative research , a case study is not a one-size-fits-all approach. Depending on the nature of the research question and the specific objectives of the study, researchers might choose to use different types of case studies. These types differ in their focus, methodology, and the level of detail they provide about the phenomenon under investigation.

Understanding these types is crucial for selecting the most appropriate approach for your research project and effectively achieving your research goals. Let's briefly look at the main types of case studies.

Exploratory case studies

Exploratory case studies are typically conducted to develop a theory or framework around an understudied phenomenon. They can also serve as a precursor to a larger-scale research project. Exploratory case studies are useful when a researcher wants to identify the key issues or questions which can spur more extensive study or be used to develop propositions for further research. These case studies are characterized by flexibility, allowing researchers to explore various aspects of a phenomenon as they emerge, which can also form the foundation for subsequent studies.

Descriptive case studies

Descriptive case studies aim to provide a complete and accurate representation of a phenomenon or event within its context. These case studies are often based on an established theoretical framework, which guides how data is collected and analyzed. The researcher is concerned with describing the phenomenon in detail, as it occurs naturally, without trying to influence or manipulate it.

Explanatory case studies

Explanatory case studies are focused on explanation - they seek to clarify how or why certain phenomena occur. Often used in complex, real-life situations, they can be particularly valuable in clarifying causal relationships among concepts and understanding the interplay between different factors within a specific context.

Intrinsic, instrumental, and collective case studies

These three categories of case studies focus on the nature and purpose of the study. An intrinsic case study is conducted when a researcher has an inherent interest in the case itself. Instrumental case studies are employed when the case is used to provide insight into a particular issue or phenomenon. A collective case study, on the other hand, involves studying multiple cases simultaneously to investigate some general phenomena.

Each type of case study serves a different purpose and has its own strengths and challenges. The selection of the type should be guided by the research question and objectives, as well as the context and constraints of the research.

The flexibility, depth, and contextual richness offered by case studies make this approach an excellent research method for various fields of study. They enable researchers to investigate real-world phenomena within their specific contexts, capturing nuances that other research methods might miss. Across numerous fields, case studies provide valuable insights into complex issues.

Critical information systems research

Case studies provide a detailed understanding of the role and impact of information systems in different contexts. They offer a platform to explore how information systems are designed, implemented, and used and how they interact with various social, economic, and political factors. Case studies in this field often focus on examining the intricate relationship between technology, organizational processes, and user behavior, helping to uncover insights that can inform better system design and implementation.

Health research

Health research is another field where case studies are highly valuable. They offer a way to explore patient experiences, healthcare delivery processes, and the impact of various interventions in a real-world context.

Case studies can provide a deep understanding of a patient's journey, giving insights into the intricacies of disease progression, treatment effects, and the psychosocial aspects of health and illness.

Asthma research studies

Specifically within medical research, studies on asthma often employ case studies to explore the individual and environmental factors that influence asthma development, management, and outcomes. A case study can provide rich, detailed data about individual patients' experiences, from the triggers and symptoms they experience to the effectiveness of various management strategies. This can be crucial for developing patient-centered asthma care approaches.

Other fields

Apart from the fields mentioned, case studies are also extensively used in business and management research, education research, and political sciences, among many others. They provide an opportunity to delve into the intricacies of real-world situations, allowing for a comprehensive understanding of various phenomena.

Case studies, with their depth and contextual focus, offer unique insights across these varied fields. They allow researchers to illuminate the complexities of real-life situations, contributing to both theory and practice.

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Understanding the key elements of case study design is crucial for conducting rigorous and impactful case study research. A well-structured design guides the researcher through the process, ensuring that the study is methodologically sound and its findings are reliable and valid. The main elements of case study design include the research question , propositions, units of analysis, and the logic linking the data to the propositions.

The research question is the foundation of any research study. A good research question guides the direction of the study and informs the selection of the case, the methods of collecting data, and the analysis techniques. A well-formulated research question in case study research is typically clear, focused, and complex enough to merit further detailed examination of the relevant case(s).

Propositions

Propositions, though not necessary in every case study, provide a direction by stating what we might expect to find in the data collected. They guide how data is collected and analyzed by helping researchers focus on specific aspects of the case. They are particularly important in explanatory case studies, which seek to understand the relationships among concepts within the studied phenomenon.

Units of analysis

The unit of analysis refers to the case, or the main entity or entities that are being analyzed in the study. In case study research, the unit of analysis can be an individual, a group, an organization, a decision, an event, or even a time period. It's crucial to clearly define the unit of analysis, as it shapes the qualitative data analysis process by allowing the researcher to analyze a particular case and synthesize analysis across multiple case studies to draw conclusions.

Argumentation

This refers to the inferential model that allows researchers to draw conclusions from the data. The researcher needs to ensure that there is a clear link between the data, the propositions (if any), and the conclusions drawn. This argumentation is what enables the researcher to make valid and credible inferences about the phenomenon under study.

Understanding and carefully considering these elements in the design phase of a case study can significantly enhance the quality of the research. It can help ensure that the study is methodologically sound and its findings contribute meaningful insights about the case.

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Conducting a case study involves several steps, from defining the research question and selecting the case to collecting and analyzing data . This section outlines these key stages, providing a practical guide on how to conduct case study research.

Defining the research question

The first step in case study research is defining a clear, focused research question. This question should guide the entire research process, from case selection to analysis. It's crucial to ensure that the research question is suitable for a case study approach. Typically, such questions are exploratory or descriptive in nature and focus on understanding a phenomenon within its real-life context.

Selecting and defining the case

The selection of the case should be based on the research question and the objectives of the study. It involves choosing a unique example or a set of examples that provide rich, in-depth data about the phenomenon under investigation. After selecting the case, it's crucial to define it clearly, setting the boundaries of the case, including the time period and the specific context.

Previous research can help guide the case study design. When considering a case study, an example of a case could be taken from previous case study research and used to define cases in a new research inquiry. Considering recently published examples can help understand how to select and define cases effectively.

Developing a detailed case study protocol

A case study protocol outlines the procedures and general rules to be followed during the case study. This includes the data collection methods to be used, the sources of data, and the procedures for analysis. Having a detailed case study protocol ensures consistency and reliability in the study.

The protocol should also consider how to work with the people involved in the research context to grant the research team access to collecting data. As mentioned in previous sections of this guide, establishing rapport is an essential component of qualitative research as it shapes the overall potential for collecting and analyzing data.

Collecting data

Gathering data in case study research often involves multiple sources of evidence, including documents, archival records, interviews, observations, and physical artifacts. This allows for a comprehensive understanding of the case. The process for gathering data should be systematic and carefully documented to ensure the reliability and validity of the study.

Analyzing and interpreting data

The next step is analyzing the data. This involves organizing the data , categorizing it into themes or patterns , and interpreting these patterns to answer the research question. The analysis might also involve comparing the findings with prior research or theoretical propositions.

Writing the case study report

The final step is writing the case study report . This should provide a detailed description of the case, the data, the analysis process, and the findings. The report should be clear, organized, and carefully written to ensure that the reader can understand the case and the conclusions drawn from it.

Each of these steps is crucial in ensuring that the case study research is rigorous, reliable, and provides valuable insights about the case.

The type, depth, and quality of data in your study can significantly influence the validity and utility of the study. In case study research, data is usually collected from multiple sources to provide a comprehensive and nuanced understanding of the case. This section will outline the various methods of collecting data used in case study research and discuss considerations for ensuring the quality of the data.

Interviews are a common method of gathering data in case study research. They can provide rich, in-depth data about the perspectives, experiences, and interpretations of the individuals involved in the case. Interviews can be structured , semi-structured , or unstructured , depending on the research question and the degree of flexibility needed.

Observations

Observations involve the researcher observing the case in its natural setting, providing first-hand information about the case and its context. Observations can provide data that might not be revealed in interviews or documents, such as non-verbal cues or contextual information.

Documents and artifacts

Documents and archival records provide a valuable source of data in case study research. They can include reports, letters, memos, meeting minutes, email correspondence, and various public and private documents related to the case.

These records can provide historical context, corroborate evidence from other sources, and offer insights into the case that might not be apparent from interviews or observations.

Physical artifacts refer to any physical evidence related to the case, such as tools, products, or physical environments. These artifacts can provide tangible insights into the case, complementing the data gathered from other sources.

Ensuring the quality of data collection

Determining the quality of data in case study research requires careful planning and execution. It's crucial to ensure that the data is reliable, accurate, and relevant to the research question. This involves selecting appropriate methods of collecting data, properly training interviewers or observers, and systematically recording and storing the data. It also includes considering ethical issues related to collecting and handling data, such as obtaining informed consent and ensuring the privacy and confidentiality of the participants.

Data analysis

Analyzing case study research involves making sense of the rich, detailed data to answer the research question. This process can be challenging due to the volume and complexity of case study data. However, a systematic and rigorous approach to analysis can ensure that the findings are credible and meaningful. This section outlines the main steps and considerations in analyzing data in case study research.

Organizing the data

The first step in the analysis is organizing the data. This involves sorting the data into manageable sections, often according to the data source or the theme. This step can also involve transcribing interviews, digitizing physical artifacts, or organizing observational data.

Categorizing and coding the data

Once the data is organized, the next step is to categorize or code the data. This involves identifying common themes, patterns, or concepts in the data and assigning codes to relevant data segments. Coding can be done manually or with the help of software tools, and in either case, qualitative analysis software can greatly facilitate the entire coding process. Coding helps to reduce the data to a set of themes or categories that can be more easily analyzed.

Identifying patterns and themes

After coding the data, the researcher looks for patterns or themes in the coded data. This involves comparing and contrasting the codes and looking for relationships or patterns among them. The identified patterns and themes should help answer the research question.

Interpreting the data

Once patterns and themes have been identified, the next step is to interpret these findings. This involves explaining what the patterns or themes mean in the context of the research question and the case. This interpretation should be grounded in the data, but it can also involve drawing on theoretical concepts or prior research.

Verification of the data

The last step in the analysis is verification. This involves checking the accuracy and consistency of the analysis process and confirming that the findings are supported by the data. This can involve re-checking the original data, checking the consistency of codes, or seeking feedback from research participants or peers.

Like any research method , case study research has its strengths and limitations. Researchers must be aware of these, as they can influence the design, conduct, and interpretation of the study.

Understanding the strengths and limitations of case study research can also guide researchers in deciding whether this approach is suitable for their research question . This section outlines some of the key strengths and limitations of case study research.

Benefits include the following:

• Rich, detailed data: One of the main strengths of case study research is that it can generate rich, detailed data about the case. This can provide a deep understanding of the case and its context, which can be valuable in exploring complex phenomena.
• Flexibility: Case study research is flexible in terms of design , data collection , and analysis . A sufficient degree of flexibility allows the researcher to adapt the study according to the case and the emerging findings.
• Real-world context: Case study research involves studying the case in its real-world context, which can provide valuable insights into the interplay between the case and its context.
• Multiple sources of evidence: Case study research often involves collecting data from multiple sources , which can enhance the robustness and validity of the findings.

On the other hand, researchers should consider the following limitations:

• Generalizability: A common criticism of case study research is that its findings might not be generalizable to other cases due to the specificity and uniqueness of each case.
• Time and resource intensive: Case study research can be time and resource intensive due to the depth of the investigation and the amount of collected data.
• Complexity of analysis: The rich, detailed data generated in case study research can make analyzing the data challenging.
• Subjectivity: Given the nature of case study research, there may be a higher degree of subjectivity in interpreting the data , so researchers need to reflect on this and transparently convey to audiences how the research was conducted.

Being aware of these strengths and limitations can help researchers design and conduct case study research effectively and interpret and report the findings appropriately.

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Organizing Your Social Sciences Research Assignments

• Annotated Bibliography
• Analyzing a Scholarly Journal Article
• Group Presentations
• Dealing with Nervousness
• Using Visual Aids
• Grading Someone Else's Paper
• Types of Structured Group Activities
• Group Project Survival Skills
• Leading a Class Discussion
• Multiple Book Review Essay
• Reviewing Collected Works
• Writing a Case Analysis Paper
• Writing a Case Study
• About Informed Consent
• Writing Field Notes
• Writing a Policy Memo
• Writing a Reflective Paper
• Writing a Research Proposal
• Generative AI and Writing
• Acknowledgments

A case study research paper examines a person, place, event, condition, phenomenon, or other type of subject of analysis in order to extrapolate  key themes and results that help predict future trends, illuminate previously hidden issues that can be applied to practice, and/or provide a means for understanding an important research problem with greater clarity. A case study research paper usually examines a single subject of analysis, but case study papers can also be designed as a comparative investigation that shows relationships between two or more subjects. The methods used to study a case can rest within a quantitative, qualitative, or mixed-method investigative paradigm.

Case Studies. Writing@CSU. Colorado State University; Mills, Albert J. , Gabrielle Durepos, and Eiden Wiebe, editors. Encyclopedia of Case Study Research . Thousand Oaks, CA: SAGE Publications, 2010 ; “What is a Case Study?” In Swanborn, Peter G. Case Study Research: What, Why and How? London: SAGE, 2010.

How to Approach Writing a Case Study Research Paper

General information about how to choose a topic to investigate can be found under the " Choosing a Research Problem " tab in the Organizing Your Social Sciences Research Paper writing guide. Review this page because it may help you identify a subject of analysis that can be investigated using a case study design.

However, identifying a case to investigate involves more than choosing the research problem . A case study encompasses a problem contextualized around the application of in-depth analysis, interpretation, and discussion, often resulting in specific recommendations for action or for improving existing conditions. As Seawright and Gerring note, practical considerations such as time and access to information can influence case selection, but these issues should not be the sole factors used in describing the methodological justification for identifying a particular case to study. Given this, selecting a case includes considering the following:

• The case represents an unusual or atypical example of a research problem that requires more in-depth analysis? Cases often represent a topic that rests on the fringes of prior investigations because the case may provide new ways of understanding the research problem. For example, if the research problem is to identify strategies to improve policies that support girl's access to secondary education in predominantly Muslim nations, you could consider using Azerbaijan as a case study rather than selecting a more obvious nation in the Middle East. Doing so may reveal important new insights into recommending how governments in other predominantly Muslim nations can formulate policies that support improved access to education for girls.
• The case provides important insight or illuminate a previously hidden problem? In-depth analysis of a case can be based on the hypothesis that the case study will reveal trends or issues that have not been exposed in prior research or will reveal new and important implications for practice. For example, anecdotal evidence may suggest drug use among homeless veterans is related to their patterns of travel throughout the day. Assuming prior studies have not looked at individual travel choices as a way to study access to illicit drug use, a case study that observes a homeless veteran could reveal how issues of personal mobility choices facilitate regular access to illicit drugs. Note that it is important to conduct a thorough literature review to ensure that your assumption about the need to reveal new insights or previously hidden problems is valid and evidence-based.
• The case challenges and offers a counter-point to prevailing assumptions? Over time, research on any given topic can fall into a trap of developing assumptions based on outdated studies that are still applied to new or changing conditions or the idea that something should simply be accepted as "common sense," even though the issue has not been thoroughly tested in current practice. A case study analysis may offer an opportunity to gather evidence that challenges prevailing assumptions about a research problem and provide a new set of recommendations applied to practice that have not been tested previously. For example, perhaps there has been a long practice among scholars to apply a particular theory in explaining the relationship between two subjects of analysis. Your case could challenge this assumption by applying an innovative theoretical framework [perhaps borrowed from another discipline] to explore whether this approach offers new ways of understanding the research problem. Taking a contrarian stance is one of the most important ways that new knowledge and understanding develops from existing literature.
• The case provides an opportunity to pursue action leading to the resolution of a problem? Another way to think about choosing a case to study is to consider how the results from investigating a particular case may result in findings that reveal ways in which to resolve an existing or emerging problem. For example, studying the case of an unforeseen incident, such as a fatal accident at a railroad crossing, can reveal hidden issues that could be applied to preventative measures that contribute to reducing the chance of accidents in the future. In this example, a case study investigating the accident could lead to a better understanding of where to strategically locate additional signals at other railroad crossings so as to better warn drivers of an approaching train, particularly when visibility is hindered by heavy rain, fog, or at night.
• The case offers a new direction in future research? A case study can be used as a tool for an exploratory investigation that highlights the need for further research about the problem. A case can be used when there are few studies that help predict an outcome or that establish a clear understanding about how best to proceed in addressing a problem. For example, after conducting a thorough literature review [very important!], you discover that little research exists showing the ways in which women contribute to promoting water conservation in rural communities of east central Africa. A case study of how women contribute to saving water in a rural village of Uganda can lay the foundation for understanding the need for more thorough research that documents how women in their roles as cooks and family caregivers think about water as a valuable resource within their community. This example of a case study could also point to the need for scholars to build new theoretical frameworks around the topic [e.g., applying feminist theories of work and family to the issue of water conservation].

Eisenhardt, Kathleen M. “Building Theories from Case Study Research.” Academy of Management Review 14 (October 1989): 532-550; Emmel, Nick. Sampling and Choosing Cases in Qualitative Research: A Realist Approach . Thousand Oaks, CA: SAGE Publications, 2013; Gerring, John. “What Is a Case Study and What Is It Good for?” American Political Science Review 98 (May 2004): 341-354; Mills, Albert J. , Gabrielle Durepos, and Eiden Wiebe, editors. Encyclopedia of Case Study Research . Thousand Oaks, CA: SAGE Publications, 2010; Seawright, Jason and John Gerring. "Case Selection Techniques in Case Study Research." Political Research Quarterly 61 (June 2008): 294-308.

Structure and Writing Style

The purpose of a paper in the social sciences designed around a case study is to thoroughly investigate a subject of analysis in order to reveal a new understanding about the research problem and, in so doing, contributing new knowledge to what is already known from previous studies. In applied social sciences disciplines [e.g., education, social work, public administration, etc.], case studies may also be used to reveal best practices, highlight key programs, or investigate interesting aspects of professional work.

In general, the structure of a case study research paper is not all that different from a standard college-level research paper. However, there are subtle differences you should be aware of. Here are the key elements to organizing and writing a case study research paper.

I.  Introduction

As with any research paper, your introduction should serve as a roadmap for your readers to ascertain the scope and purpose of your study . The introduction to a case study research paper, however, should not only describe the research problem and its significance, but you should also succinctly describe why the case is being used and how it relates to addressing the problem. The two elements should be linked. With this in mind, a good introduction answers these four questions:

• What is being studied? Describe the research problem and describe the subject of analysis [the case] you have chosen to address the problem. Explain how they are linked and what elements of the case will help to expand knowledge and understanding about the problem.
• Why is this topic important to investigate? Describe the significance of the research problem and state why a case study design and the subject of analysis that the paper is designed around is appropriate in addressing the problem.
• What did we know about this topic before I did this study? Provide background that helps lead the reader into the more in-depth literature review to follow. If applicable, summarize prior case study research applied to the research problem and why it fails to adequately address the problem. Describe why your case will be useful. If no prior case studies have been used to address the research problem, explain why you have selected this subject of analysis.
• How will this study advance new knowledge or new ways of understanding? Explain why your case study will be suitable in helping to expand knowledge and understanding about the research problem.

Each of these questions should be addressed in no more than a few paragraphs. Exceptions to this can be when you are addressing a complex research problem or subject of analysis that requires more in-depth background information.

II.  Literature Review

The literature review for a case study research paper is generally structured the same as it is for any college-level research paper. The difference, however, is that the literature review is focused on providing background information and  enabling historical interpretation of the subject of analysis in relation to the research problem the case is intended to address . This includes synthesizing studies that help to:

• Place relevant works in the context of their contribution to understanding the case study being investigated . This would involve summarizing studies that have used a similar subject of analysis to investigate the research problem. If there is literature using the same or a very similar case to study, you need to explain why duplicating past research is important [e.g., conditions have changed; prior studies were conducted long ago, etc.].
• Describe the relationship each work has to the others under consideration that informs the reader why this case is applicable . Your literature review should include a description of any works that support using the case to investigate the research problem and the underlying research questions.
• Identify new ways to interpret prior research using the case study . If applicable, review any research that has examined the research problem using a different research design. Explain how your use of a case study design may reveal new knowledge or a new perspective or that can redirect research in an important new direction.
• Resolve conflicts amongst seemingly contradictory previous studies . This refers to synthesizing any literature that points to unresolved issues of concern about the research problem and describing how the subject of analysis that forms the case study can help resolve these existing contradictions.
• Point the way in fulfilling a need for additional research . Your review should examine any literature that lays a foundation for understanding why your case study design and the subject of analysis around which you have designed your study may reveal a new way of approaching the research problem or offer a perspective that points to the need for additional research.
• Expose any gaps that exist in the literature that the case study could help to fill . Summarize any literature that not only shows how your subject of analysis contributes to understanding the research problem, but how your case contributes to a new way of understanding the problem that prior research has failed to do.
• Locate your own research within the context of existing literature [very important!] . Collectively, your literature review should always place your case study within the larger domain of prior research about the problem. The overarching purpose of reviewing pertinent literature in a case study paper is to demonstrate that you have thoroughly identified and synthesized prior studies in relation to explaining the relevance of the case in addressing the research problem.

III.  Method

In this section, you explain why you selected a particular case [i.e., subject of analysis] and the strategy you used to identify and ultimately decide that your case was appropriate in addressing the research problem. The way you describe the methods used varies depending on the type of subject of analysis that constitutes your case study.

If your subject of analysis is an incident or event . In the social and behavioral sciences, the event or incident that represents the case to be studied is usually bounded by time and place, with a clear beginning and end and with an identifiable location or position relative to its surroundings. The subject of analysis can be a rare or critical event or it can focus on a typical or regular event. The purpose of studying a rare event is to illuminate new ways of thinking about the broader research problem or to test a hypothesis. Critical incident case studies must describe the method by which you identified the event and explain the process by which you determined the validity of this case to inform broader perspectives about the research problem or to reveal new findings. However, the event does not have to be a rare or uniquely significant to support new thinking about the research problem or to challenge an existing hypothesis. For example, Walo, Bull, and Breen conducted a case study to identify and evaluate the direct and indirect economic benefits and costs of a local sports event in the City of Lismore, New South Wales, Australia. The purpose of their study was to provide new insights from measuring the impact of a typical local sports event that prior studies could not measure well because they focused on large "mega-events." Whether the event is rare or not, the methods section should include an explanation of the following characteristics of the event: a) when did it take place; b) what were the underlying circumstances leading to the event; and, c) what were the consequences of the event in relation to the research problem.

If your subject of analysis is a person. Explain why you selected this particular individual to be studied and describe what experiences they have had that provide an opportunity to advance new understandings about the research problem. Mention any background about this person which might help the reader understand the significance of their experiences that make them worthy of study. This includes describing the relationships this person has had with other people, institutions, and/or events that support using them as the subject for a case study research paper. It is particularly important to differentiate the person as the subject of analysis from others and to succinctly explain how the person relates to examining the research problem [e.g., why is one politician in a particular local election used to show an increase in voter turnout from any other candidate running in the election]. Note that these issues apply to a specific group of people used as a case study unit of analysis [e.g., a classroom of students].

If your subject of analysis is a place. In general, a case study that investigates a place suggests a subject of analysis that is unique or special in some way and that this uniqueness can be used to build new understanding or knowledge about the research problem. A case study of a place must not only describe its various attributes relevant to the research problem [e.g., physical, social, historical, cultural, economic, political], but you must state the method by which you determined that this place will illuminate new understandings about the research problem. It is also important to articulate why a particular place as the case for study is being used if similar places also exist [i.e., if you are studying patterns of homeless encampments of veterans in open spaces, explain why you are studying Echo Park in Los Angeles rather than Griffith Park?]. If applicable, describe what type of human activity involving this place makes it a good choice to study [e.g., prior research suggests Echo Park has more homeless veterans].

If your subject of analysis is a phenomenon. A phenomenon refers to a fact, occurrence, or circumstance that can be studied or observed but with the cause or explanation to be in question. In this sense, a phenomenon that forms your subject of analysis can encompass anything that can be observed or presumed to exist but is not fully understood. In the social and behavioral sciences, the case usually focuses on human interaction within a complex physical, social, economic, cultural, or political system. For example, the phenomenon could be the observation that many vehicles used by ISIS fighters are small trucks with English language advertisements on them. The research problem could be that ISIS fighters are difficult to combat because they are highly mobile. The research questions could be how and by what means are these vehicles used by ISIS being supplied to the militants and how might supply lines to these vehicles be cut off? How might knowing the suppliers of these trucks reveal larger networks of collaborators and financial support? A case study of a phenomenon most often encompasses an in-depth analysis of a cause and effect that is grounded in an interactive relationship between people and their environment in some way.

NOTE:   The choice of the case or set of cases to study cannot appear random. Evidence that supports the method by which you identified and chose your subject of analysis should clearly support investigation of the research problem and linked to key findings from your literature review. Be sure to cite any studies that helped you determine that the case you chose was appropriate for examining the problem.

IV.  Discussion

The main elements of your discussion section are generally the same as any research paper, but centered around interpreting and drawing conclusions about the key findings from your analysis of the case study. Note that a general social sciences research paper may contain a separate section to report findings. However, in a paper designed around a case study, it is common to combine a description of the results with the discussion about their implications. The objectives of your discussion section should include the following:

Reiterate the Research Problem/State the Major Findings Briefly reiterate the research problem you are investigating and explain why the subject of analysis around which you designed the case study were used. You should then describe the findings revealed from your study of the case using direct, declarative, and succinct proclamation of the study results. Highlight any findings that were unexpected or especially profound.

Explain the Meaning of the Findings and Why They are Important Systematically explain the meaning of your case study findings and why you believe they are important. Begin this part of the section by repeating what you consider to be your most important or surprising finding first, then systematically review each finding. Be sure to thoroughly extrapolate what your analysis of the case can tell the reader about situations or conditions beyond the actual case that was studied while, at the same time, being careful not to misconstrue or conflate a finding that undermines the external validity of your conclusions.

Relate the Findings to Similar Studies No study in the social sciences is so novel or possesses such a restricted focus that it has absolutely no relation to previously published research. The discussion section should relate your case study results to those found in other studies, particularly if questions raised from prior studies served as the motivation for choosing your subject of analysis. This is important because comparing and contrasting the findings of other studies helps support the overall importance of your results and it highlights how and in what ways your case study design and the subject of analysis differs from prior research about the topic.

Consider Alternative Explanations of the Findings Remember that the purpose of social science research is to discover and not to prove. When writing the discussion section, you should carefully consider all possible explanations revealed by the case study results, rather than just those that fit your hypothesis or prior assumptions and biases. Be alert to what the in-depth analysis of the case may reveal about the research problem, including offering a contrarian perspective to what scholars have stated in prior research if that is how the findings can be interpreted from your case.

Acknowledge the Study's Limitations You can state the study's limitations in the conclusion section of your paper but describing the limitations of your subject of analysis in the discussion section provides an opportunity to identify the limitations and explain why they are not significant. This part of the discussion section should also note any unanswered questions or issues your case study could not address. More detailed information about how to document any limitations to your research can be found here .

Suggest Areas for Further Research Although your case study may offer important insights about the research problem, there are likely additional questions related to the problem that remain unanswered or findings that unexpectedly revealed themselves as a result of your in-depth analysis of the case. Be sure that the recommendations for further research are linked to the research problem and that you explain why your recommendations are valid in other contexts and based on the original assumptions of your study.

V.  Conclusion

As with any research paper, you should summarize your conclusion in clear, simple language; emphasize how the findings from your case study differs from or supports prior research and why. Do not simply reiterate the discussion section. Provide a synthesis of key findings presented in the paper to show how these converge to address the research problem. If you haven't already done so in the discussion section, be sure to document the limitations of your case study and any need for further research.

The function of your paper's conclusion is to: 1) reiterate the main argument supported by the findings from your case study; 2) state clearly the context, background, and necessity of pursuing the research problem using a case study design in relation to an issue, controversy, or a gap found from reviewing the literature; and, 3) provide a place to persuasively and succinctly restate the significance of your research problem, given that the reader has now been presented with in-depth information about the topic.

Consider the following points to help ensure your conclusion is appropriate:

• If the argument or purpose of your paper is complex, you may need to summarize these points for your reader.
• If prior to your conclusion, you have not yet explained the significance of your findings or if you are proceeding inductively, use the conclusion of your paper to describe your main points and explain their significance.
• Move from a detailed to a general level of consideration of the case study's findings that returns the topic to the context provided by the introduction or within a new context that emerges from your case study findings.

Note that, depending on the discipline you are writing in or the preferences of your professor, the concluding paragraph may contain your final reflections on the evidence presented as it applies to practice or on the essay's central research problem. However, the nature of being introspective about the subject of analysis you have investigated will depend on whether you are explicitly asked to express your observations in this way.

Problems to Avoid

Overgeneralization One of the goals of a case study is to lay a foundation for understanding broader trends and issues applied to similar circumstances. However, be careful when drawing conclusions from your case study. They must be evidence-based and grounded in the results of the study; otherwise, it is merely speculation. Looking at a prior example, it would be incorrect to state that a factor in improving girls access to education in Azerbaijan and the policy implications this may have for improving access in other Muslim nations is due to girls access to social media if there is no documentary evidence from your case study to indicate this. There may be anecdotal evidence that retention rates were better for girls who were engaged with social media, but this observation would only point to the need for further research and would not be a definitive finding if this was not a part of your original research agenda.

Failure to Document Limitations No case is going to reveal all that needs to be understood about a research problem. Therefore, just as you have to clearly state the limitations of a general research study , you must describe the specific limitations inherent in the subject of analysis. For example, the case of studying how women conceptualize the need for water conservation in a village in Uganda could have limited application in other cultural contexts or in areas where fresh water from rivers or lakes is plentiful and, therefore, conservation is understood more in terms of managing access rather than preserving access to a scarce resource.

Failure to Extrapolate All Possible Implications Just as you don't want to over-generalize from your case study findings, you also have to be thorough in the consideration of all possible outcomes or recommendations derived from your findings. If you do not, your reader may question the validity of your analysis, particularly if you failed to document an obvious outcome from your case study research. For example, in the case of studying the accident at the railroad crossing to evaluate where and what types of warning signals should be located, you failed to take into consideration speed limit signage as well as warning signals. When designing your case study, be sure you have thoroughly addressed all aspects of the problem and do not leave gaps in your analysis that leave the reader questioning the results.

Case Studies. Writing@CSU. Colorado State University; Gerring, John. Case Study Research: Principles and Practices . New York: Cambridge University Press, 2007; Merriam, Sharan B. Qualitative Research and Case Study Applications in Education . Rev. ed. San Francisco, CA: Jossey-Bass, 1998; Miller, Lisa L. “The Use of Case Studies in Law and Social Science Research.” Annual Review of Law and Social Science 14 (2018): TBD; Mills, Albert J., Gabrielle Durepos, and Eiden Wiebe, editors. Encyclopedia of Case Study Research . Thousand Oaks, CA: SAGE Publications, 2010; Putney, LeAnn Grogan. "Case Study." In Encyclopedia of Research Design , Neil J. Salkind, editor. (Thousand Oaks, CA: SAGE Publications, 2010), pp. 116-120; Simons, Helen. Case Study Research in Practice . London: SAGE Publications, 2009;  Kratochwill,  Thomas R. and Joel R. Levin, editors. Single-Case Research Design and Analysis: New Development for Psychology and Education .  Hilldsale, NJ: Lawrence Erlbaum Associates, 1992; Swanborn, Peter G. Case Study Research: What, Why and How? London : SAGE, 2010; Yin, Robert K. Case Study Research: Design and Methods . 6th edition. Los Angeles, CA, SAGE Publications, 2014; Walo, Maree, Adrian Bull, and Helen Breen. “Achieving Economic Benefits at Local Events: A Case Study of a Local Sports Event.” Festival Management and Event Tourism 4 (1996): 95-106.

Writing Tip

At Least Five Misconceptions about Case Study Research

Social science case studies are often perceived as limited in their ability to create new knowledge because they are not randomly selected and findings cannot be generalized to larger populations. Flyvbjerg examines five misunderstandings about case study research and systematically "corrects" each one. To quote, these are:

Misunderstanding 1 :  General, theoretical [context-independent] knowledge is more valuable than concrete, practical [context-dependent] knowledge. Misunderstanding 2 :  One cannot generalize on the basis of an individual case; therefore, the case study cannot contribute to scientific development. Misunderstanding 3 :  The case study is most useful for generating hypotheses; that is, in the first stage of a total research process, whereas other methods are more suitable for hypotheses testing and theory building. Misunderstanding 4 :  The case study contains a bias toward verification, that is, a tendency to confirm the researcher’s preconceived notions. Misunderstanding 5 :  It is often difficult to summarize and develop general propositions and theories on the basis of specific case studies [p. 221].

While writing your paper, think introspectively about how you addressed these misconceptions because to do so can help you strengthen the validity and reliability of your research by clarifying issues of case selection, the testing and challenging of existing assumptions, the interpretation of key findings, and the summation of case outcomes. Think of a case study research paper as a complete, in-depth narrative about the specific properties and key characteristics of your subject of analysis applied to the research problem.

Flyvbjerg, Bent. “Five Misunderstandings About Case-Study Research.” Qualitative Inquiry 12 (April 2006): 219-245.

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What the Case Study Method Really Teaches

• Nitin Nohria

Seven meta-skills that stick even if the cases fade from memory.

It’s been 100 years since Harvard Business School began using the case study method. Beyond teaching specific subject matter, the case study method excels in instilling meta-skills in students. This article explains the importance of seven such skills: preparation, discernment, bias recognition, judgement, collaboration, curiosity, and self-confidence.

During my decade as dean of Harvard Business School, I spent hundreds of hours talking with our alumni. To enliven these conversations, I relied on a favorite question: “What was the most important thing you learned from your time in our MBA program?”

• Nitin Nohria is the George F. Baker Jr. and Distinguished Service University Professor. He served as the 10th dean of Harvard Business School, from 2010 to 2020.

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5 Benefits of Learning Through the Case Study Method

• 28 Nov 2023

While several factors make HBS Online unique —including a global Community and real-world outcomes —active learning through the case study method rises to the top.

In a 2023 City Square Associates survey, 74 percent of HBS Online learners who also took a course from another provider said HBS Online’s case method and real-world examples were better by comparison.

Here’s a primer on the case method, five benefits you could gain, and how to experience it for yourself.

Access your free e-book today.

What Is the Harvard Business School Case Study Method?

The case study method , or case method , is a learning technique in which you’re presented with a real-world business challenge and asked how you’d solve it. After working through it yourself and with peers, you’re told how the scenario played out.

HBS pioneered the case method in 1922. Shortly before, in 1921, the first case was written.

“How do you go into an ambiguous situation and get to the bottom of it?” says HBS Professor Jan Rivkin, former senior associate dean and chair of HBS's master of business administration (MBA) program, in a video about the case method . “That skill—the skill of figuring out a course of inquiry to choose a course of action—that skill is as relevant today as it was in 1921.”

Originally developed for the in-person MBA classroom, HBS Online adapted the case method into an engaging, interactive online learning experience in 2014.

In HBS Online courses , you learn about each case from the business professional who experienced it. After reviewing their videos, you’re prompted to take their perspective and explain how you’d handle their situation.

You then get to read peers’ responses, “star” them, and comment to further the discussion. Afterward, you learn how the professional handled it and their key takeaways.

Learn more about HBS Online's approach to the case method in the video below, and subscribe to our YouTube channel for more.

HBS Online’s adaptation of the case method incorporates the famed HBS “cold call,” in which you’re called on at random to make a decision without time to prepare.

“Learning came to life!” said Sheneka Balogun , chief administration officer and chief of staff at LeMoyne-Owen College, of her experience taking the Credential of Readiness (CORe) program . “The videos from the professors, the interactive cold calls where you were randomly selected to participate, and the case studies that enhanced and often captured the essence of objectives and learning goals were all embedded in each module. This made learning fun, engaging, and student-friendly.”

If you’re considering taking a course that leverages the case study method, here are five benefits you could experience.

5 Benefits of Learning Through Case Studies

1. take new perspectives.

The case method prompts you to consider a scenario from another person’s perspective. To work through the situation and come up with a solution, you must consider their circumstances, limitations, risk tolerance, stakeholders, resources, and potential consequences to assess how to respond.

Taking on new perspectives not only can help you navigate your own challenges but also others’. Putting yourself in someone else’s situation to understand their motivations and needs can go a long way when collaborating with stakeholders.

2. Hone Your Decision-Making Skills

Another skill you can build is the ability to make decisions effectively . The case study method forces you to use limited information to decide how to handle a problem—just like in the real world.

Throughout your career, you’ll need to make difficult decisions with incomplete or imperfect information—and sometimes, you won’t feel qualified to do so. Learning through the case method allows you to practice this skill in a low-stakes environment. When facing a real challenge, you’ll be better prepared to think quickly, collaborate with others, and present and defend your solution.

3. Become More Open-Minded

As you collaborate with peers on responses, it becomes clear that not everyone solves problems the same way. Exposing yourself to various approaches and perspectives can help you become a more open-minded professional.

When you’re part of a diverse group of learners from around the world, your experiences, cultures, and backgrounds contribute to a range of opinions on each case.

On the HBS Online course platform, you’re prompted to view and comment on others’ responses, and discussion is encouraged. This practice of considering others’ perspectives can make you more receptive in your career.

“You’d be surprised at how much you can learn from your peers,” said Ratnaditya Jonnalagadda , a software engineer who took CORe.

In addition to interacting with peers in the course platform, Jonnalagadda was part of the HBS Online Community , where he networked with other professionals and continued discussions sparked by course content.

“You get to understand your peers better, and students share examples of businesses implementing a concept from a module you just learned,” Jonnalagadda said. “It’s a very good way to cement the concepts in one's mind.”

4. Enhance Your Curiosity

One byproduct of taking on different perspectives is that it enables you to picture yourself in various roles, industries, and business functions.

“Each case offers an opportunity for students to see what resonates with them, what excites them, what bores them, which role they could imagine inhabiting in their careers,” says former HBS Dean Nitin Nohria in the Harvard Business Review . “Cases stimulate curiosity about the range of opportunities in the world and the many ways that students can make a difference as leaders.”

Through the case method, you can “try on” roles you may not have considered and feel more prepared to change or advance your career .

5. Build Your Self-Confidence

Finally, learning through the case study method can build your confidence. Each time you assume a business leader’s perspective, aim to solve a new challenge, and express and defend your opinions and decisions to peers, you prepare to do the same in your career.

According to a 2022 City Square Associates survey , 84 percent of HBS Online learners report feeling more confident making business decisions after taking a course.

“Self-confidence is difficult to teach or coach, but the case study method seems to instill it in people,” Nohria says in the Harvard Business Review . “There may well be other ways of learning these meta-skills, such as the repeated experience gained through practice or guidance from a gifted coach. However, under the direction of a masterful teacher, the case method can engage students and help them develop powerful meta-skills like no other form of teaching.”

How to Experience the Case Study Method

If the case method seems like a good fit for your learning style, experience it for yourself by taking an HBS Online course. Offerings span eight subject areas, including:

• Business essentials
• Leadership and management
• Entrepreneurship and innovation
• Digital transformation
• Finance and accounting
• Business in society

No matter which course or credential program you choose, you’ll examine case studies from real business professionals, work through their challenges alongside peers, and gain valuable insights to apply to your career.

Are you interested in discovering how HBS Online can help advance your career? Explore our course catalog and download our free guide —complete with interactive workbook sections—to determine if online learning is right for you and which course to take.

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Blog Graphic Design 15+ Case Study Examples for Business, Marketing & Sales

15+ Case Study Examples for Business, Marketing & Sales

Written by: Alice Corner Jan 12, 2023

Have you ever bought something — within the last 10 years or so — without reading its reviews or without a recommendation or prior experience of using it?

If the answer is no — or at least, rarely — you get my point.

Positive reviews matter for selling to regular customers, and for B2B or SaaS businesses, detailed case studies are important too.

Wondering how to craft a compelling case study ? No worries—I’ve got you covered with 15 marketing case study templates , helpful tips, and examples to ensure your case study converts effectively.

Click to jump ahead:

What is a case study?

What to include in a professional case study, business case study examples, simple case study examples, marketing case study examples, sales case study examples.

• Case study FAQs

A case study is an in-depth, detailed analysis of a specific real-world situation. For example, a case study can be about an individual, group, event, organization, or phenomenon. The purpose of a case study is to understand its complexities and gain insights into a particular instance or situation.

In the context of a business, however, case studies take customer success stories and explore how they use your product to help them achieve their business goals.

As well as being valuable marketing tools , case studies are a good way to evaluate your product as it allows you to objectively examine how others are using it.

It’s also a good way to interview your customers about why they work with you.

Related: What is a Case Study? [+6 Types of Case Studies]

A professional case study showcases how your product or services helped potential clients achieve their business goals. You can also create case studies of internal, successful marketing projects. A professional case study typically includes:

• Company background and history
• The challenge
• How you helped
• Specific actions taken
• Visuals or Data
• Client testimonials

Here’s an example of a case study template:

Whether you’re a B2B or B2C company, business case studies can be a powerful resource to help with your sales, marketing, and even internal departmental awareness.

Business and business management case studies should encompass strategic insights alongside anecdotal and qualitative findings, like in the business case study examples below.

Conduct a B2B case study by researching the company holistically

When it comes to writing a case study, make sure you approach the company holistically and analyze everything from their social media to their sales.

Think about every avenue your product or service has been of use to your case study company, and ask them about the impact this has had on their wider company goals.

In business case study examples like the one above, we can see that the company has been thought about holistically simply by the use of icons.

By combining social media icons with icons that show in-person communication we know that this is a well-researched and thorough case study.

This case study report example could also be used within an annual or end-of-year report.

Highlight the key takeaway from your marketing case study

To create a compelling case study, identify the key takeaways from your research. Use catchy language to sum up this information in a sentence, and present this sentence at the top of your page.

This is “at a glance” information and it allows people to gain a top-level understanding of the content immediately. 

You can use a large, bold, contrasting font to help this information stand out from the page and provide interest.

Learn  how to choose fonts  effectively with our Venngage guide and once you’ve done that.

Upload your fonts and  brand colors  to Venngage using the  My Brand Kit  tool and see them automatically applied to your designs.

The heading is the ideal place to put the most impactful information, as this is the first thing that people will read.

In this example, the stat of “Increase[d] lead quality by 90%” is used as the header. It makes customers want to read more to find out how exactly lead quality was increased by such a massive amount.

If you’re conducting an in-person interview, you could highlight a direct quote or insight provided by your interview subject.

Pick out a catchy sentence or phrase, or the key piece of information your interview subject provided and use that as a way to draw a potential customer in.

Use charts to visualize data in your business case studies

Charts are an excellent way to visualize data and to bring statistics and information to life. Charts make information easier to understand and to illustrate trends or patterns.

Making charts is even easier with Venngage.

In this consulting case study example, we can see that a chart has been used to demonstrate the difference in lead value within the Lead Elves case study.

Adding a chart here helps break up the information and add visual value to the case study. 

Using charts in your case study can also be useful if you’re creating a project management case study.

You could use a Gantt chart or a project timeline to show how you have managed the project successfully.

Use direct quotes to build trust in your marketing case study

To add an extra layer of authenticity you can include a direct quote from your customer within your case study.

According to research from Nielsen , 92% of people will trust a recommendation from a peer and 70% trust recommendations even if they’re from somebody they don’t know.

So if you have a customer or client who can’t stop singing your praises, make sure you get a direct quote from them and include it in your case study.

You can either lift part of the conversation or interview, or you can specifically request a quote. Make sure to ask for permission before using the quote.

This design uses a bright contrasting speech bubble to show that it includes a direct quote, and helps the quote stand out from the rest of the text.

This will help draw the customer’s attention directly to the quote, in turn influencing them to use your product or service.

Less is often more, and this is especially true when it comes to creating designs. Whilst you want to create a professional-looking, well-written and design case study – there’s no need to overcomplicate things.

These simple case study examples show that smart clean designs and informative content can be an effective way to showcase your successes.

Use colors and fonts to create a professional-looking case study

Business case studies shouldn’t be boring. In fact, they should be beautifully and professionally designed.

This means the normal rules of design apply. Use fonts, colors, and icons to create an interesting and visually appealing case study.

In this case study example, we can see how multiple fonts have been used to help differentiate between the headers and content, as well as complementary colors and eye-catching icons.

Marketing case studies are incredibly useful for showing your marketing successes. Every successful marketing campaign relies on influencing a consumer’s behavior, and a great case study can be a great way to spotlight your biggest wins.

In the marketing case study examples below, a variety of designs and techniques to create impactful and effective case studies.

Show off impressive results with a bold marketing case study

Case studies are meant to show off your successes, so make sure you feature your positive results prominently. Using bold and bright colors as well as contrasting shapes, large bold fonts, and simple icons is a great way to highlight your wins.

In well-written case study examples like the one below, the big wins are highlighted on the second page with a bright orange color and are highlighted in circles.

Making the important data stand out is especially important when attracting a prospective customer with marketing case studies.

Use a simple but clear layout in your case study

Using a simple layout in your case study can be incredibly effective, like in the example of a case study below.

Keeping a clean white background, and using slim lines to help separate the sections is an easy way to format your case study.

Making the information clear helps draw attention to the important results, and it helps improve the  accessibility of the design .

Business case study examples like this would sit nicely within a larger report, with a consistent layout throughout.

Use visuals and icons to create an engaging and branded business case study

Nobody wants to read pages and pages of text — and that’s why Venngage wants to help you communicate your ideas visually.

Using icons, graphics, photos, or patterns helps create a much more engaging design. 

With this Blue Cap case study icons, colors, and impactful pattern designs have been used to create an engaging design that catches your eye.

Use a monochromatic color palette to create a professional and clean case study

Let your research shine by using a monochromatic and minimalistic color palette.

By sticking to one color, and leaving lots of blank space you can ensure your design doesn’t distract a potential customer from your case study content.

In this case study on Polygon Media, the design is simple and professional, and the layout allows the prospective customer to follow the flow of information.

The gradient effect on the left-hand column helps break up the white background and adds an interesting visual effect.

Did you know you can generate an accessible color palette with Venngage? Try our free accessible color palette generator today and create a case study that delivers and looks pleasant to the eye:

Add long term goals in your case study

When creating a case study it’s a great idea to look at both the short term and the long term goals of the company to gain the best understanding possible of the insights they provide.

Short-term goals will be what the company or person hopes to achieve in the next few months, and long-term goals are what the company hopes to achieve in the next few years.

Check out this modern pattern design example of a case study below:

In this case study example, the short and long-term goals are clearly distinguished by light blue boxes and placed side by side so that they are easy to compare.

Use a strong introductory paragraph to outline the overall strategy and goals before outlining the specific short-term and long-term goals to help with clarity.

This strategy can also be handy when creating a consulting case study.

Use data to make concrete points about your sales and successes

When conducting any sort of research stats, facts, and figures are like gold dust (aka, really valuable).

Being able to quantify your findings is important to help understand the information fully. Saying sales increased 10% is much more effective than saying sales increased.

While sales dashboards generally tend it make it all about the numbers and charts, in sales case study examples, like this one, the key data and findings can be presented with icons. This contributes to the potential customer’s better understanding of the report.

They can clearly comprehend the information and it shows that the case study has been well researched.

Use emotive, persuasive, or action based language in your marketing case study

Create a compelling case study by using emotive, persuasive and action-based language when customizing your case study template.

In this well-written case study example, we can see that phrases such as “Results that Speak Volumes” and “Drive Sales” have been used.

Using persuasive language like you would in a blog post. It helps inspire potential customers to take action now.

Keep your potential customers in mind when creating a customer case study for marketing

82% of marketers use case studies in their marketing  because it’s such an effective tool to help quickly gain customers’ trust and to showcase the potential of your product.

Why are case studies such an important tool in content marketing?

By writing a case study you’re telling potential customers that they can trust you because you’re showing them that other people do.

Not only that, but if you have a SaaS product, business case studies are a great way to show how other people are effectively using your product in their company.

In this case study, Network is demonstrating how their product has been used by Vortex Co. with great success; instantly showing other potential customers that their tool works and is worth using.

Related: 10+ Case Study Infographic Templates That Convert

Case studies are particularly effective as a sales technique.

A sales case study is like an extended customer testimonial, not only sharing opinions of your product – but showcasing the results you helped your customer achieve.

Make impactful statistics pop in your sales case study

Writing a case study doesn’t mean using text as the only medium for sharing results.

You should use icons to highlight areas of your research that are particularly interesting or relevant, like in this example of a case study:

Icons are a great way to help summarize information quickly and can act as visual cues to help draw the customer’s attention to certain areas of the page.

In some of the business case study examples above, icons are used to represent the impressive areas of growth and are presented in a way that grabs your attention.

Use high contrast shapes and colors to draw attention to key information in your sales case study

Help the key information stand out within your case study by using high contrast shapes and colors.

Use a complementary or contrasting color, or use a shape such as a rectangle or a circle for maximum impact.

This design has used dark blue rectangles to help separate the information and make it easier to read.

Coupled with icons and strong statistics, this information stands out on the page and is easily digestible and retainable for a potential customer.

Case study examples summary

Once you have created your case study, it’s best practice to update your examples on a regular basis to include up-to-date statistics, data, and information.

You should update your business case study examples often if you are sharing them on your website .

It’s also important that your case study sits within your brand guidelines – find out how Venngage’s My Brand Kit tool can help you create consistently branded case study templates.

Case studies are important marketing tools – but they shouldn’t be the only tool in your toolbox. Content marketing is also a valuable way to earn consumer trust.

Case study FAQ s

Why should you write a case study.

Case studies are an effective marketing technique to engage potential customers and help build trust.

By producing case studies featuring your current clients or customers, you are showcasing how your tool or product can be used. You’re also showing that other people endorse your product.

In addition to being a good way to gather positive testimonials from existing customers, business case studies are good educational resources and can be shared amongst your company or team, and used as a reference for future projects.

How should you write a case study?

To create a great case study, you should think strategically. The first step, before starting your case study research, is to think about what you aim to learn or what you aim to prove.

You might be aiming to learn how a company makes sales or develops a new product. If this is the case, base your questions around this.

You can learn more about writing a case study  from our extensive guide.

Related: How to Present a Case Study like a Pro (With Examples)

Some good questions you could ask would be:

• Why do you use our tool or service?
• How often do you use our tool or service?
• What does the process of using our product look like to you?
• If our product didn’t exist, what would you be doing instead?
• What is the number one benefit you’ve found from using our tool?

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What Is a Case Study?

Weighing the pros and cons of this method of research

Verywell / Colleen Tighe

• Pros and Cons

What Types of Case Studies Are Out There?

Where do you find data for a case study, how do i write a psychology case study.

A case study is an in-depth study of one person, group, or event. In a case study, nearly every aspect of the subject's life and history is analyzed to seek patterns and causes of behavior. Case studies can be used in many different fields, including psychology, medicine, education, anthropology, political science, and social work.

The point of a case study is to learn as much as possible about an individual or group so that the information can be generalized to many others. Unfortunately, case studies tend to be highly subjective, and it is sometimes difficult to generalize results to a larger population.

While case studies focus on a single individual or group, they follow a format similar to other types of psychology writing. If you are writing a case study, we got you—here are some rules of APA format to reference.  

At a Glance

A case study, or an in-depth study of a person, group, or event, can be a useful research tool when used wisely. In many cases, case studies are best used in situations where it would be difficult or impossible for you to conduct an experiment. They are helpful for looking at unique situations and allow researchers to gather a lot of˜ information about a specific individual or group of people. However, it's important to be cautious of any bias we draw from them as they are highly subjective.

What Are the Benefits and Limitations of Case Studies?

A case study can have its strengths and weaknesses. Researchers must consider these pros and cons before deciding if this type of study is appropriate for their needs.

One of the greatest advantages of a case study is that it allows researchers to investigate things that are often difficult or impossible to replicate in a lab. Some other benefits of a case study:

• Allows researchers to capture information on the 'how,' 'what,' and 'why,' of something that's implemented
• Gives researchers the chance to collect information on why one strategy might be chosen over another
• Permits researchers to develop hypotheses that can be explored in experimental research

On the other hand, a case study can have some drawbacks:

• It cannot necessarily be generalized to the larger population
• Cannot demonstrate cause and effect
• It may not be scientifically rigorous
• It can lead to bias

Researchers may choose to perform a case study if they want to explore a unique or recently discovered phenomenon. Through their insights, researchers develop additional ideas and study questions that might be explored in future studies.

It's important to remember that the insights from case studies cannot be used to determine cause-and-effect relationships between variables. However, case studies may be used to develop hypotheses that can then be addressed in experimental research.

Case Study Examples

There have been a number of notable case studies in the history of psychology. Much of  Freud's work and theories were developed through individual case studies. Some great examples of case studies in psychology include:

• Anna O : Anna O. was a pseudonym of a woman named Bertha Pappenheim, a patient of a physician named Josef Breuer. While she was never a patient of Freud's, Freud and Breuer discussed her case extensively. The woman was experiencing symptoms of a condition that was then known as hysteria and found that talking about her problems helped relieve her symptoms. Her case played an important part in the development of talk therapy as an approach to mental health treatment.
• Phineas Gage : Phineas Gage was a railroad employee who experienced a terrible accident in which an explosion sent a metal rod through his skull, damaging important portions of his brain. Gage recovered from his accident but was left with serious changes in both personality and behavior.
• Genie : Genie was a young girl subjected to horrific abuse and isolation. The case study of Genie allowed researchers to study whether language learning was possible, even after missing critical periods for language development. Her case also served as an example of how scientific research may interfere with treatment and lead to further abuse of vulnerable individuals.

Such cases demonstrate how case research can be used to study things that researchers could not replicate in experimental settings. In Genie's case, her horrific abuse denied her the opportunity to learn a language at critical points in her development.

This is clearly not something researchers could ethically replicate, but conducting a case study on Genie allowed researchers to study phenomena that are otherwise impossible to reproduce.

There are a few different types of case studies that psychologists and other researchers might use:

• Collective case studies : These involve studying a group of individuals. Researchers might study a group of people in a certain setting or look at an entire community. For example, psychologists might explore how access to resources in a community has affected the collective mental well-being of those who live there.
• Descriptive case studies : These involve starting with a descriptive theory. The subjects are then observed, and the information gathered is compared to the pre-existing theory.
• Explanatory case studies : These   are often used to do causal investigations. In other words, researchers are interested in looking at factors that may have caused certain things to occur.
• Exploratory case studies : These are sometimes used as a prelude to further, more in-depth research. This allows researchers to gather more information before developing their research questions and hypotheses .
• Instrumental case studies : These occur when the individual or group allows researchers to understand more than what is initially obvious to observers.
• Intrinsic case studies : This type of case study is when the researcher has a personal interest in the case. Jean Piaget's observations of his own children are good examples of how an intrinsic case study can contribute to the development of a psychological theory.

The three main case study types often used are intrinsic, instrumental, and collective. Intrinsic case studies are useful for learning about unique cases. Instrumental case studies help look at an individual to learn more about a broader issue. A collective case study can be useful for looking at several cases simultaneously.

The type of case study that psychology researchers use depends on the unique characteristics of the situation and the case itself.

There are a number of different sources and methods that researchers can use to gather information about an individual or group. Six major sources that have been identified by researchers are:

• Archival records : Census records, survey records, and name lists are examples of archival records.
• Direct observation : This strategy involves observing the subject, often in a natural setting . While an individual observer is sometimes used, it is more common to utilize a group of observers.
• Documents : Letters, newspaper articles, administrative records, etc., are the types of documents often used as sources.
• Interviews : Interviews are one of the most important methods for gathering information in case studies. An interview can involve structured survey questions or more open-ended questions.
• Participant observation : When the researcher serves as a participant in events and observes the actions and outcomes, it is called participant observation.
• Physical artifacts : Tools, objects, instruments, and other artifacts are often observed during a direct observation of the subject.

If you have been directed to write a case study for a psychology course, be sure to check with your instructor for any specific guidelines you need to follow. If you are writing your case study for a professional publication, check with the publisher for their specific guidelines for submitting a case study.

Here is a general outline of what should be included in a case study.

Section 1: A Case History

This section will have the following structure and content:

Background information : The first section of your paper will present your client's background. Include factors such as age, gender, work, health status, family mental health history, family and social relationships, drug and alcohol history, life difficulties, goals, and coping skills and weaknesses.

Description of the presenting problem : In the next section of your case study, you will describe the problem or symptoms that the client presented with.

Describe any physical, emotional, or sensory symptoms reported by the client. Thoughts, feelings, and perceptions related to the symptoms should also be noted. Any screening or diagnostic assessments that are used should also be described in detail and all scores reported.

Your diagnosis : Provide your diagnosis and give the appropriate Diagnostic and Statistical Manual code. Explain how you reached your diagnosis, how the client's symptoms fit the diagnostic criteria for the disorder(s), or any possible difficulties in reaching a diagnosis.

Section 2: Treatment Plan

This portion of the paper will address the chosen treatment for the condition. This might also include the theoretical basis for the chosen treatment or any other evidence that might exist to support why this approach was chosen.

• Cognitive behavioral approach : Explain how a cognitive behavioral therapist would approach treatment. Offer background information on cognitive behavioral therapy and describe the treatment sessions, client response, and outcome of this type of treatment. Make note of any difficulties or successes encountered by your client during treatment.
• Humanistic approach : Describe a humanistic approach that could be used to treat your client, such as client-centered therapy . Provide information on the type of treatment you chose, the client's reaction to the treatment, and the end result of this approach. Explain why the treatment was successful or unsuccessful.
• Psychoanalytic approach : Describe how a psychoanalytic therapist would view the client's problem. Provide some background on the psychoanalytic approach and cite relevant references. Explain how psychoanalytic therapy would be used to treat the client, how the client would respond to therapy, and the effectiveness of this treatment approach.
• Pharmacological approach : If treatment primarily involves the use of medications, explain which medications were used and why. Provide background on the effectiveness of these medications and how monotherapy may compare with an approach that combines medications with therapy or other treatments.

This section of a case study should also include information about the treatment goals, process, and outcomes.

When you are writing a case study, you should also include a section where you discuss the case study itself, including the strengths and limitiations of the study. You should note how the findings of your case study might support previous research. 

In your discussion section, you should also describe some of the implications of your case study. What ideas or findings might require further exploration? How might researchers go about exploring some of these questions in additional studies?

Need More Tips?

Here are a few additional pointers to keep in mind when formatting your case study:

• Never refer to the subject of your case study as "the client." Instead, use their name or a pseudonym.
• Read examples of case studies to gain an idea about the style and format.
• Remember to use APA format when citing references .

Crowe S, Cresswell K, Robertson A, Huby G, Avery A, Sheikh A. The case study approach .  BMC Med Res Methodol . 2011;11:100.

Crowe S, Cresswell K, Robertson A, Huby G, Avery A, Sheikh A. The case study approach . BMC Med Res Methodol . 2011 Jun 27;11:100. doi:10.1186/1471-2288-11-100

Gagnon, Yves-Chantal.  The Case Study as Research Method: A Practical Handbook . Canada, Chicago Review Press Incorporated DBA Independent Pub Group, 2010.

Yin, Robert K. Case Study Research and Applications: Design and Methods . United States, SAGE Publications, 2017.

By Kendra Cherry, MSEd Kendra Cherry, MS, is a psychosocial rehabilitation specialist, psychology educator, and author of the "Everything Psychology Book."

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How to create user-focused use cases for ideal success scenarios [with examples].

Engineering Team

December 30, 2023

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Are you steering a project, deciphering intricate business processes, or engineering complex software solutions? If so, you’re well aware that success hinges on clarity and precision. Good news! Use cases may spare you and your clients a great deal of trouble.

Imagine you’re constructing a building. Blueprints guide you, outlining each room’s purpose and layout. This is exactly what a use case is: a blueprint to guide system requirements and resulting project operations. It helps map out processes across user interactions, helping you build a system tailored to user goals and needs. 🏗️

A stitch in time saves nine, and similarly, mastering use cases now can save you countless hours later. In this practical guide, we’ll explain:

• The significance of a use case-driven approach in software development
• Steps to write a use case for multiple scenarios

Benefits of use cases in business processes

Step 1: come up with the title and description, step 2: identify the actors, step 3: identify the actors’ goal, step 4: capture stakeholders and their interests, step 5: specify pre-conditions or assumptions, step 6: outline basic flow, step 7: determine exceptions or error conditions, step 8: include extensions or variations to how the system functions, step 9: consider alternative flows, create and manage your use cases in clickup docs, try writing use cases with ai, use case #1: online shopping wishlist, use case #2: travel itinerary management.

What Is a Use Case, and What Purpose Does It Serve?

Use cases are indispensable for understanding user-specific interactions and narratives (or user stories) to create the intended design for a system.

In technical terms, a use case is a detailed description that outlines how a user will interact with an IT solution to achieve a specific goal. It maps out the steps they take , with a clear beginning, middle, and end.

If you’re new to use cases, you’re probably wondering why you should care about it. The truth is that every software development process carries the burden of user-focused project planning. It’s critical to understand the service or system requirements beforehand so that your end product works perfectly and is profitable.

This is where a use case comes in, helping you visualize user interactions from start to finish and pinpoint any hiccups along the way . Think of it as a walkthrough in a strategic game where every move is crucial. Your input, the system’s response, specific processes, and the final outcome are all explicitly stated, leaving no room for ambiguity in decisions.

The idea here is to help project managers, business analysts, and software developers align themselves on what the end user desires in a software application or a system , taking the guesswork out of the picture. The result? Smarter decisions on:

• Features to prioritize
• Design scope
• Bugs to fix

Tip: Need a quick start? Use the ClickUp User Story Mapping Template to initiate use case mapping right away! Its built-in infinite Whiteboard helps you track and prioritize user stories within minutes.

Use cases offer several benefits in developing and managing software systems and projects . Here are seven key advantages for various business stakeholders:

• Clarity into specific interactions : Use cases provide a clear understanding of how users interact with a system, helping define and document functional requirements
• Focused communication : Use cases serve as a bridge between business stakeholders , aligning developers, designers, project managers, and clients
• Identification of how a system behaves : They help identify and document various ways users interact with the system. This includes both normal and exceptional scenarios, providing a comprehensive view of the system’s expected behavior
• Project planning : Use cases help in planning by breaking down the desired functionalities into manageable units addressing specific system goals
• Flexibility : They provide a flexible framework that can accommodate modifications (alternative flows) or additions without disrupting the overall system flow
• Documentation and training : Use cases serve as valuable workflow documentation for future reference. They provide insights that can be useful for training new development team members
• Risk identification : By exploring various success and failure scenarios, use cases assist in identifying potential risks and challenges early in the development process

What to Include in a Project’s Use Case: With Practical Steps

Use cases can include a number of elements depending on the scale and complexity of the system you’re building. Here are some of the most significant options:

• Title and description
• Actors (users)
• Stakeholders
• Pre-conditions
• Exception to the basic flow
• Variations or what-if scenarios
• Alternative flows

These points can be better explained when we explore the practical side of things. Refer to the sections below to understand how to include these elements and distill complex use case scenarios into actionable steps .

Any use case study must have an engaging title. Keep it concise, specific, and indicative of the use case’s purpose. For instance, the title Optimizing Online Checkout: A Use Case for E-Commerce Conversion Enhancement immediately conveys the focus and scope.

Next, your case description should set the context concisely, pinpointing the use case actor or user, the system in question, and the ultimate goal. Here’s an example: This use case outlines the steps taken by an online shopper to complete a purchase, highlighting the system’s response at each interaction to ensure a smooth transaction and reduce cart abandonment.

Keep your language sharp, directly addressing the innovative outcomes you seek.

These are not Hollywood stars but rather the key entities— individuals, groups, or even other systems —interacting with the system under scrutiny. Identifying these actors is akin to casting characters in a play; each has a role, a purpose, and a set of actions that contribute to the unfolding narrative. 🎭

Actors within a use case diagram can be categorized as either primary or secondary . A primary actor seeks the system’s assistance by themselves to achieve a specific goal. On the other hand, a secondary actor provides a service to the system as a direct result of the primary use case. The system initiates interaction with the secondary actor for information or completion of a goal.

Let’s say a user applies for a loan online, which makes them the primary actor. In response to the loan application, the system triggers another resource to calculate interest rates—that resource is the secondary actor.

If you’re still in the research phase and need help identifying the primary actor, you may want to document your findings through the ClickUp User Research Plan Template . Its built-in features help software and UX teams map out user behavior and resolve problems within apps, websites, or projects in an orderly manner. 

Whether an actor is buying a product, signing up for a newsletter, or using a website, their goal is the driving force behind their interaction with your services . It’s your job to understand these goals so you can design a system that helps them achieve them in the most efficient way possible.

Let’s consider a real-world example: if you’re running a retail website, a customer’s goal might be to purchase a product in minimal steps. This use case would require you to outline the steps customers need to take to complete that purchase, from selecting the item to finalizing the payment.

Use this ClickUp SMART Goal Action Plan Template to list out the goals of all identified actors and monitor how they’re addressed by your team.

It’s super vital to identify all the stakeholders and understand their interests to ensure your use case is effective. A stakeholder could be an end-user, a system administrator, or even external actors or systems interacting with your service. They all have unique needs and expectations. Here’s what you should do:

• List all possible stakeholders involved in the use case
• For each stakeholder, identify their interests or what they aim to gain from the use case. For instance, a potential Interest for an online shopper would be an Intuitive and efficient user experience
• Consider how the use case can be fulfilled without compromising the overall goals
• Regularly revisit this list as your project or product develops , ensuring new needs are accounted for

Stakeholder analysis can be a stressful job, especially when there are multiple use cases to monitor. We recommend using quality stakeholder mapping templates to structure the process. 

Pre-conditions set the stage for action, ensuring that all necessary conditions are in place before the use case is initiated. Think must-haves for your scenario to work—like having an internet connection for an online transaction or a user account for access to a members-only area. Imagine the scenario from the user’s perspective and identify and list these prerequisites clearly.

Here’s an illustration showing how pre-conditions are used to outline use cases and automate the workflow for a banking website:

This is the minimum viable product (MVP) scenario, the one where everything clicks, and your use case unfolds just as envisioned. No errors, no hiccups, just a straightforward path to a happy user.

Imagine a scenario where a customer purchases a book from an online store. The basic flow would be:

• The customer logs in to their account
• They search for a book by title, author, or genre
• The customer reviews the book and adds it to their cart
• They proceed to checkout, confirm shipping details, and select a payment method
• They review the order summary and place the order
• A confirmation email is sent to the customer

Each step here is supposed to be clear and necessary, guiding the user towards a satisfying transaction. Fall back on the ClickUp User Flow Template to design efficient use case pathways and share them with your team.

These exceptions represent scenarios where the standard process flow doesn’t apply. Think about what could go wrong and how your system should respond. You can:

• Consider realistic scenarios : Think about all the ways an operation might deviate or lead to failure scenarios. This could be due to technical issues, user errors, or unexpected circumstances
• Document each exception : Clearly describe each exception, including its cause, effect, and how your system should respond
• Prioritize exceptions : Rank exceptions based on their likelihood and impact on user experience

Think of these as what-if scenarios that keep your processes agile . Say if a customer abandons their shopping cart, what’s the next step? This perhaps calls for creating an extension that activates a follow-up email sequence or a special discount offer to re-engage them.

Use cases should adapt to real-world complexities, offering innovative solutions that maintain user engagement. It’s about anticipating the unexpected and scripting a response that turns challenges into opportunities.

Consider alternative courses if challenges or process deviations occur. Imagine you’re designing a use case for an online shopping cart system.

Main Success Scenario (MSS):

• The user adds items to the cart
• The user proceeds to checkout and confirms payment

What if an item is out of stock?

• The system notifies the user immediately
• The system recommends similar products

What if the payment is declined?

• Prompt the user to try a different payment method
• Offer to save the cart for later completion

What if network issues occur?

• Save the user’s progress automatically
• Inform the user and attempt to reconnect

For each what-if , develop an alternative path that guides your system to a successful outcome. 

How to Write Effective Use Cases with ClickUp

Now that we have a thorough knowledge of the process of developing use cases, let’s explore how to write one professionally with ClickUp . This all-in-one project management tool comes with abundant user documentation and use case writing features. Let’s break down the process to showcase just how effortless it can be.🌹

To kick off your business use case model in ClickUp, head to ClickUp Docs , the platform’s integrated solution for creating and storing all types of documents—from user manuals and test case definitions to technical requirements.

Starting fresh? Great, create a new doc. You can use one of ClickUp’s free flowcharting templates to create use case diagrams or case study templates to document user research. Everything will be accessible from a centralized location, making it easier to keep track of the best possible outcome scenario or develop alternative paths.

Invite members from product and marketing teams to work on your use case document in real time. You may want to create Folders to store multiple use cases for your project. The best part is that you can connect your Docs with other project tasks to ensure a smooth work experience.

Let’s dive into the fun stuff! In the Doc editor, just type /ai. Boom! The ClickUp AI modal appears, ready for action. Click on Write with AI to get the party started. Type in your use case topic and add relevant technical requirements to generate a professional-grade, well-structured use case presentation within seconds.

Even with the AI-generated use cases, you’re in control. You can:

• Insert the content elsewhere : Seamlessly insert the AI-generated content into your Doc. Or, just copy-paste and merge it with manually written use cases
• Edit inputs : If the narrative needs a personal touch, edit your prompt or topic to guide the AI in the direction you want
• Regenerate : Fancy a different twist? Explore varied responses from the AI with the same prompt
• Give AI more direction : Extend the conversation by providing additional prompts or directions and get more contextual responses 🤖

Besides generating text, ClickUp AI can also fix the grammar and tone of your existing documents and even summarize lengthy case studies to save you time.

Examples of Use Cases for Software Development Projects

Let’s dive into some business use case examples to better illustrate what they look like and how they can streamline your projects.

An e-commerce platform aims to introduce a wishlist feature that enhances the online shopping experience for users.

Actors : Online shoppers

Goals : Add items to a wishlist; view wishlist contents

Stakeholders : E-commerce platform, online shoppers, product vendors, marketing team, developers

Pre-conditions : User must be logged in and browsing available products

Basic flow :

• User logs into the e-commerce platform
• User browses available products
• User selects the option to add a product to their wishlist
• System adds the selected product to the user’s wishlist
• User can view and manage their wishlist at any time
• System provides personalized product recommendations based on wishlist items

Extensions/Variations: 

• Implement a notification system to alert users when wishlist items are on sale
• Allow users to share their wishlist with friends or family for gift suggestions

Exceptions/Error conditions:

• If a selected product is no longer available, notify the user and provide alternate courses
• In case of technical issues, ensure users can still browse and add items to their wishlist without disruptions

Alternative flow :

• User selects the option to view their existing wishlist
• System displays a list of items in the user’s wishlist
• User can remove items from the wishlist or proceed to purchase
• System updates the wishlist and provides relevant suggestions for additional items

A travel planning app wants to implement a feature for users to create and manage their travel itineraries.

Actors : Travelers, travel app

Goals : Create and edit travel itineraries; receive recommendations

Stakeholders : Travel app companies, travelers, local businesses, tourism boards, developers

Pre-conditions : User must be logged in and have a trip planned

• User logs in
• User selects the option to create a new travel itinerary
• User inputs trip details, including destinations and dates
• System generates an initial itinerary and suggests local attractions
• User can modify the itinerary and add custom activities
• System provides real-time updates and recommendations based on user preferences

Extensions/Variations :

• Integrate a weather forecast feature for each destination
• Allow users to share their itineraries with fellow travelers.

Exceptions/Error conditions :

• If a selected attraction is closed or unavailable during the planned date, notify the user and suggest alternatives
• In case of a connectivity issue, ensure users can still access and modify their itineraries offline
• User logs into the travel app
• The user chooses an existing route
• System displays the current itinerary, including booked accommodations and activities
• User can modify the itinerary, add new activities, or remove existing ones
• System updates the itinerary and adjusts recommendations accordingly

Closing the Case on Success

Whether you’re looking to fine-tune your business process or enhance customer experience, use case modeling is a great tool for visual problem-solvers. If you need an observable result quickly, rely on the strategic use case development tools within ClickUp to accelerate your project timelines and bring your business objectives to fruition. 🍉

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What Is a Case Study and Why You Should Use Them

Case studies can provide more insights into your business while helping you conduct further research with robust qualitative data analysis to learn more.

If you're in charge of running a company, then you're likely always looking for new ways to run your business more efficiently and increase your customer base while streamlining as many processes as possible.

Unfortunately, it can sometimes be difficult to determine how to go about implementing the proper program in order to be successful. This is why many business owners opt to conduct a case study, which can help significantly. Whether you've been struggling with brand consistency or some other problem, the right case study can identify why your problem exists as well as provide a way to rectify it.

A case study is a great tool that many businesses aren't even aware exists, and there are marketing experts like Mailchimp who can provide you with step-by-step assistance with implementing a plan with a case study. Many companies discover that not only do they need to start a blog in order to improve business, but they also need to create specific and relevant blog titles.

If your company already has a blog, then optimizing your blog posts may be helpful. Regardless of the obstacles that are preventing you from achieving all your professional goals, a case study can work wonders in helping you reverse this issue.

What is a case study?

A case study is a comprehensive report of the results of theory testing or examining emerging themes of a business in real life context. Case studies are also often used in the healthcare industry, conducting health services research with primary research interest around routinely collected healthcare data.

However, for businesses, the purpose of a case study is to help small business owners or company leaders identify the issues and conduct further research into what may be preventing success through information collection, client or customer interviews, and in-depth data analysis.

Knowing the case study definition is crucial for any business owner. By identifying the issues that are hindering a company from achieving all its goals, it's easier to make the necessary corrections to promote success through influenced data collection.

Why are case studies important?

Now that we've answered the questions, "what is a case study?" Why are case studies important? Some of the top reasons why case studies are important include:

• Understand complex issues: Even after you conduct a significant amount of market research , you might have a difficult time understanding exactly what it means. While you might have the basics down, conducting a case study can help you see how that information is applied. Then, when you see how the information can make a difference in business decisions, it could make it easier to understand complex issues.
• Collect data: A case study can also help with data tracking . A case study is a data collection method that can help you describe the information that you have available to you. Then, you can present that information in a way the reader can understand.
• Conduct evaluations: As you learn more about how to write a case study, remember that you can also use a case study to conduct evaluations of a specific situation. A case study is a great way to learn more about complex situations, and you can evaluate how various people responded in that situation. By conducting a case study evaluation, you can learn more about what has worked well, what has not, and what you might want to change in the future.
• Identify potential solutions: A case study can also help you identify solutions to potential problems. If you have an issue in your business that you are trying to solve, you may be able to take a look at a case study where someone has dealt with a similar situation in the past. For example, you may uncover data bias in a specific solution that you would like to address when you tackle the issue on your own. If you need help solving a difficult problem, a case study may be able to help you.

Remember that you can also use case studies to target your audience . If you want to show your audience that you have a significant level of expertise in a field, you may want to publish some case studies that you have handled in the past. Then, when your audience sees that you have had success in a specific area, they may be more likely to provide you with their business. In essence, case studies can be looked at as the original method of social proof, showcasing exactly how you can help someone solve their problems.

What are the benefits of writing a business case study?

Although writing a case study can seem like a tedious task, there are many benefits to conducting one through an in depth qualitative research process.

• Industry understanding: First of all, a case study can give you an in-depth understanding of your industry through a particular conceptual framework and help you identify hidden problems that are preventing you from transcending into the business world.
• Develop theories: If you decide to write a business case study, it provides you with an opportunity to develop new theories. You might have a theory about how to solve a specific problem, but you need to write a business case study to see exactly how that theory has unfolded in the past. Then, you can figure out if you want to apply your theory to a similar issue in the future.
• Evaluate interventions: When you write a business case study that focuses on a specific situation you have been through in the past, you can uncover whether that intervention was truly helpful. This can make it easier to figure out whether you want to use the same intervention in a similar situation in the future.
• Identify best practices: If you want to stay on top of the best practices in your field, conducting case studies can help by allowing you to identify patterns and trends and develop a new list of best practices that you can follow in the future.
• Versatility: Writing a case study also provides you with more versatility. If you want to expand your business applications, you need to figure out how you respond to various problems. When you run a business case study, you open the door to new opportunities, new applications, and new techniques that could help you make a difference in your business down the road.
• Solve problems: Writing a great case study can dramatically improve your chances of reversing your problem and improving your business.
• These are just a few of the biggest benefits you might experience if you decide to publish your case studies. They can be an effective tool for learning, showcasing your talents, and teaching some of your other employees. If you want to grow your audience , you may want to consider publishing some case studies.

What are the limitations of case studies?

Case studies can be a wonderful tool for any business of any size to use to gain an in-depth understanding of their clients, products, customers, or services, but there are limitations.

One limitation of case studies is the fact that, unless there are other recently published examples, there is nothing to compare them to since, most of the time, you are conducting a single, not multiple, case studies.

Another limitation is the fact that most case studies can lack scientific evidence.

Types of case studies

There are specific types of case studies to choose from, and each specific type will yield different results. Some case study types even overlap, which is sometimes more favorable, as they provide even more pertinent data.

Here are overviews of the different types of case studies, each with its own theoretical framework, so you can determine which type would be most effective for helping you meet your goals.

Explanatory case studies

Explanatory case studies are pretty straightforward, as they're not difficult to interpret. This type of case study is best if there aren't many variables involved because explanatory case studies can easily answer questions like "how" and "why" through theory development.

Exploratory case studies

An exploratory case study does exactly what its name implies: it goes into specific detail about the topic at hand in a natural, real-life context with qualitative research.

The benefits of exploratory case studies are limitless, with the main one being that it offers a great deal of flexibility. Having flexibility when writing a case study is important because you can't always predict what obstacles might arise during the qualitative research process.

Collective case studies

Collective case studies require you to study many different individuals in order to obtain usable data.

Case studies that involve an investigation of people will involve many different variables, all of which can't be predicted. Despite this fact, there are many benefits of collective case studies, including the fact that it allows an ongoing analysis of the data collected.

Intrinsic case studies

This type of study differs from the others as it focuses on the inquiry of one specific instance among many possibilities.

Many people prefer these types of case studies because it allows them to learn about the particular instance that they wish to investigate further.

Instrumental case studies

An instrumental case study is similar to an intrinsic one, as it focuses on a particular instance, whether it's a person, organization, or something different.

One thing that differentiates instrumental case studies from intrinsic ones is the fact that instrumental case studies aren't chosen merely because a person is interested in learning about a specific instance.

Tips for writing a case study

If you have decided to write case studies for your company, then you may be unsure of where to start or which type to conduct.

However, it doesn't have to be difficult or confusing to begin conducting a case study that will help you identify ways to improve your business.

Here are some helpful tips for writing your case studies:

1. Your case study must be written in the proper format

When writing a case study, the format that you should be similar to this:

Administrative summary

The executive summary is an overview of what your report will contain, written in a concise manner while providing real-life context.

Despite the fact that the executive summary should appear at the beginning of your case studies, it shouldn't be written until you've completed the entire report because if you write it before you finish the report, this summary may not be completely accurate.

Key problem statement

In this section of your case study, you will briefly describe the problem that you hope to solve by conducting the study. You will have the opportunity to elaborate on the problem that you're focusing on as you get into the breadth of the report.

Problem exploration

This part of the case study isn't as brief as the other two, and it goes into more detail about the problem at hand. Your problem exploration must include why the identified problem needs to be solved as well as the urgency of solving it.

Additionally, it must include justification for conducting the problem-solving, as the benefits must outweigh the efforts and costs.

Proposed resolution

This case study section will also be lengthier than the first two. It must include how you propose going about rectifying the problem. The "recommended solution" section must also include potential obstacles that you might experience, as well as how these will be managed.

Furthermore, you will need to list alternative solutions and explain the reason the chosen solution is best. Charts can enhance your report and make it easier to read, and provide as much proof to substantiate your claim as possible.

Overview of monetary consideration

An overview of monetary consideration is essential for all case studies, as it will be used to convince all involved parties why your project should be funded. You must successfully convince them that the cost is worth the investment it will require. It's important that you stress the necessity for this particular case study and explain the expected outcome.

Execution timeline

In the execution times of case studies, you explain how long you predict it will take to implement your study. The shorter the time it will take to implement your plan, the more apt it is to be approved. However, be sure to provide a reasonable timeline, taking into consideration any additional time that might be needed due to obstacles.

Always include a conclusion in your case study. This is where you will briefly wrap up your entire proposal, stressing the benefits of completing the data collection and data analysis in order to rectify your problem.

2. Make it clear and comprehensive

You want to write your case studies with as much clarity as possible so that every aspect of the report is understood. Be sure to double-check your grammar, spelling, punctuation, and more, as you don't want to submit a poorly-written document.

Not only would a poorly-written case study fail to prove that what you are trying to achieve is important, but it would also increase the chances that your report will be tossed aside and not taken seriously.

3. Don't rush through the process

Writing the perfect case study takes time and patience. Rushing could result in your forgetting to include information that is crucial to your entire study. Don't waste your time creating a study that simply isn't ready. Take the necessary time to perform all the research necessary to write the best case study possible.

Depending on the case study, conducting case study research could mean using qualitative methods, quantitative methods, or both. Qualitative research questions focus on non-numerical data, such as how people feel, their beliefs, their experiences, and so on.

Meanwhile, quantitative research questions focus on numerical or statistical data collection to explain causal links or get an in-depth picture.

It is also important to collect insightful and constructive feedback. This will help you better understand the outcome as well as any changes you need to make to future case studies. Consider using formal and informal ways to collect feedback to ensure that you get a range of opinions and perspectives.

4. Be confident in your theory development

While writing your case study or conducting your formal experimental investigation, you should have confidence in yourself and what you're proposing in your report. If you took the time to gather all the pertinent data collected to complete the report, don't second-guess yourself or doubt your abilities. If you believe your report will be amazing, then it likely will be.

5. Case studies and all qualitative research are long

It's expected that multiple case studies are going to be incredibly boring, and there is no way around this. However, it doesn't mean you can choose your language carefully in order to keep your audience as engaged as possible.

If your audience loses interest in your case study at the beginning, for whatever reason, then this increases the likelihood that your case study will not be funded.

Case study examples

If you want to learn more about how to write a case study, it might be beneficial to take a look at a few case study examples. Below are a few interesting case study examples you may want to take a closer look at.

• Phineas Gage by John Martin Marlow : One of the most famous case studies comes from the medical field, and it is about the story of Phineas Gage, a man who had a railroad spike driven through his head in 1848. As he was working on a railroad, an explosive charge went off prematurely, sending a railroad rod through his head. Even though he survived this incident, he lost his left eye. However, Phineas Gage was studied extensively over the years because his experiences had a significant, lasting impact on his personality. This served as a case study because his injury showed different parts of the brain have different functions.
• Kitty Genovese and the bystander effect : This is a tragic case study that discusses the murder of Kitty Genovese, a woman attacked and murdered in Queens, New York City. Shockingly, while numerous neighbors watched the scene, nobody called for help because they assumed someone else would. This case study helped to define the bystander effect, which is when a person fails to intervene during an emergency because other people are around.
• Henry Molaison and the study of memory : Henry Molaison lost his memory and suffered from debilitating amnesia. He suffered from childhood epilepsy, and medical professionals attempted to remove the part of his brain that was causing his seizures. He had a portion of his brain removed, but it completely took away his ability to hold memories. Even though he went on to live until the age of 82, he was always forced to live in the present moment, as he was completely unable to form new memories.

Case study FAQs

When should you do a case study.

There are several scenarios when conducting a case study can be beneficial. Case studies are often used when there's a "why" or "how" question that needs to be answered. Case studies are also beneficial when trying to understand a complex phenomenon, there's limited research on a topic, or when you're looking for practical solutions to a problem.

How can case study results be used to make business decisions?

You can use the results from a case study to make future business decisions if you find yourself in a similar situation. As you assess the results of a case study, you can identify best practices, evaluate the effectiveness of an intervention, generate new and creative ideas, or get a better understanding of customer needs.

How are case studies different from other research methodologies?

When compared to other research methodologies, such as experimental or qualitative research methodology, a case study does not require a representative sample. For example, if you are performing quantitative research, you have a lot of subjects that expand your sample size. If you are performing experimental research, you may have a random sample in front of you. A case study is usually designed to deliberately focus on unusual situations, which allows it to shed new light on a specific business research problem.

Writing multiple case studies for your business

If you're feeling overwhelmed by the idea of writing a case study and it seems completely foreign, then you aren't alone. Writing a case study for a business is a very big deal, but fortunately, there is help available because an example of a case study doesn't always help.

Mailchimp, a well-known marketing company that provides comprehensive marketing support for all sorts of businesses, can assist you with your case study, or you can review one of their own recently published examples.

Mailchimp can assist you with developing the most effective content strategy to increase your chances of being as successful as possible. Mailchimp's content studio is a great tool that can help your business immensely.

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When and How to Use a Case Study for Research

May 17, 2021 (Updated: May 4, 2023)

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What Is Case Study Research?

Types of case studies, when should you use a case study, case study benefits, case study limitations, how to write a case study.

Imagine your company receives a string of negative reviews online. You notice a few common themes among the complaints, but you still aren’t quite sure what went wrong. Or suppose an old blog post suddenly went viral, and you’d like to know why and how to do it again. In both of these situations, a case study could be the best way to find answers.

A case study is a process whereby researchers examine a specific subject in a thorough, detailed way. The subject of a case study could be an individual, a group, a community, a business, an organization, an event, or a phenomenon. Regardless of the type of subject, case studies are in-depth investigations designed to identify patterns and cause-and-effect relationships. Case studies are often used by researchers in the field of psychology , medicine, business, social work, anthropology, education, or political science.

Because they are singular in their focus and often rely on qualitative data, case studies tend to be highly subjective. The results of a single case study cannot always be generalized and applied to the larger population. However, case studies can be valuable tools for developing a thesis or illustrating a principle. They can help researchers understand, describe, compare, and evaluate different aspects of an issue or question.

Image via Flickr by plings

Case studies can be classified according to their purpose or their subject. For instance, a case study can focus on any of the following:

• A person:  Some case studies focus on one particular person. Often, the subject will be an individual with some rare characteristic or experience.
• A group:  Group case studies could look at a family, a group of coworkers, or a friend group. It could be people thrown together by circumstance or who share some bond or relationship. A group case study could even focus on an entire community of people.
• An organization:  An organizational case study could focus on a business, a nonprofit, an institution, or any other formal entity. The study could look at the people in the organization, the processes they use, or an incident at the organization.
• A location:  An event case study focuses on a specific area. It could be used to study environmental and population changes or to examine how people use the location.
• An event:  Event case studies can be used to cover anything from a natural disaster to a political scandal. Often, these case studies are conducted retrospectively, as an investigation into a past event.

In addition to different types of subjects, case studies often have different designs or purposes. Here are a few of the most common types of case studies:

• Explanatory:  An explanatory case study tries to explain the why or how behind something. This type of case study works well when studying an event or phenomenon, like an airplane crash or unexpected power outage.
• Descriptive:  A descriptive, or illustrative, case study is designed to shed light on an unfamiliar subject. Case studies like this provide in-depth, real-world examples of whatever the researcher wants to help the audience understand. For instance, a descriptive case study could focus on the experience of a mother with postpartum depression or on a young adult who has aged out of the foster care system.
• Exploratory:  An exploratory case study, or pilot case study, often serves as the first step in a larger research project. Researchers may use a case study to help them narrow their focus, draft a specific research question, and guide the parameters of a formal, large-scale study.
• Intrinsic:  An intrinsic case study has no goal beyond a deeper understanding of its subject. In this type of study, researchers are not trying to make generalized conclusions, challenge existing assumptions, or make any compare-and-contrast connections. The most interesting thing about the study is the subject itself.
• Critical Instance:  A critical instance case study is similar to an explanatory or intrinsic study. Like an intrinsic study, it may have no predetermined purpose beyond investigating the subject. Like an explanatory study, it may be used to explain a cause-and-effect relationship. A critical instance case study may also be used to call into question a commonly held assumption or popular theory.
• Instrumental:  An instrumental case study is the opposite of an intrinsic study because it serves a purpose beyond understanding the immediate subject. In this type of study, researchers explore a larger question through an individual case or cases. For instance, researchers could use a handful of case studies to investigate the relationship between social media use and happiness.
• Cumulative:  A cumulative, or collective, case study uses information from several past studies as the basis for a new study. Because it takes into account multiple case studies, a cumulative study allows for greater generalization than a single case study. It can also be a more time- and cost-effective option since it makes use of existing research.

Case studies are often used in the exploratory phase of research to gather qualitative data. They can also be used to create, support, or refute a hypothesis and guide future research. For instance, a marketing professional might conduct a case study to discover why a viral ad campaign was so successful . They can then take any lessons they glean from the case study and apply them to future marketing efforts. A psychologist could use a case study to form a theory about the best way to treat a specific disorder. That theory could then be tested later through a large-scale controlled study.

Case studies are a good way to explore a real-world topic in-depth, illustrate a point, discuss the implications or meaning of an event, or compare the experiences of different individuals. A trainer may use a case study to bring to life what would otherwise be an abstract series of recommended action steps or to spark a conversation about how to respond in a specific scenario. Similarly, professors can use case studies to highlight key concepts from a lecture and pose questions to test students’ understanding of the material.

In some situations, case studies are the only way to compile quantitative data in an ethical manner. For instance, many of the recommendations that doctors make regarding what is or is not safe during pregnancy are based on case studies. It wouldn’t be ethical to conduct a controlled study that exposes pregnant women to potentially harmful substances, so doctors rely on the anecdotal evidence provided by case studies to find correlations and draw their conclusions.

Case studies can also be used to gather data that would be otherwise impossible or impractical to obtain. Students often use case studies for their thesis or dissertation when they lack the time or resources to conduct large-scale research. Zoologists might use existing case studies to determine the success rate of reintroducing rehabilitated animals into the wild. A historian could use case studies to explore the strategies used by dictators to gain and maintain power.

Image via Flickr by calebmmartin

Case studies can be used on their own or as a complement to other research methods, depending on the situation. The examples above are just a few instances where case studies can be useful. Case studies also work well for the following:

Providing Insight Through Qualitative Data

Case studies generally provide more qualitative data as opposed to quantitative data , and that makes them an invaluable tool for gathering insight into complex topics. Psychologists, for instance, use case studies to better understand human behavior. Crafting theories on the motives behind human actions would be difficult with quantitative data alone. The information gleaned through case studies may be subjective, but so is much of what makes us human. As individuals, we each have a unique blend of emotions, attitudes, opinions, motivations, and behaviors. Objective quantitative data is rarely the best way to identify and explain these nuances.

By their very nature, case studies allow more more intensive, in-depth study than other research methods. Rather than aiming for a large sample size, case studies follow a single subject. Often case studies are conducted over a longer period of time, and the narrow focus allows researchers to gather more detail than would be possible in a study of thousands of people. The information gleaned may not be representative of the broader population, but it does provide richer insight into the subject than other research methods.

Identifying Avenues for Future Research

Case studies are often used as the first step in a larger research project. The results of a case study cannot necessarily be generalized, but they can help researchers narrow their focus. For instance, researchers in the medical field might conduct a case study on a patient who survived an injury that typically proves fatal.

Over the course of the study, researchers may identify two or three ways in which this patient’s situation differed from others they have seen. Perhaps they identify something unique in the patient’s DNA or lifestyle choices or in the steps doctors took to treat the injury. Letting that information guide them, researchers could use other methods to deepen their understanding of those factors and perhaps develop new treatments or preventative recommendations.

Case studies can also be used in the fields of social work, politics, and anthropology to draw attention to a widespread problem and spur more research. A detailed narrative about one person’s experience will inspire more compassion than an academic paper filled with quantitative data. Stories often have a greater impact than statistics.

Challenging, Testing, or Developing Theories

Case studies can be particularly useful in the process of forming and testing theories. A case study may lead researchers to form a new theory or call into a question an existing one. They are an invaluable tool for identifying exceptions to a rule or disproving conventional wisdom.

For instance, a medical professional may write a case study about a patient who exhibited atypical symptoms to assert that the list of symptoms for a condition should be expanded. A psychologist could use a case study to determine whether the new treatment they devised for depression is effective, or to demonstrate that existing treatment methods are flawed. As the result of a case study, a marketing professional could suggest that consumers values have changed and that marketing best practices should be updated accordingly.

Enabling the Study of Unique Subjects

Some subjects would be impossible, impractical, or unethical to study through other research methods. This is true in the case of extremely rare phenomenon, many aspects of human behavior, and even some medical conditions.

Suppose a medical professional would like to gather more information about multiple-birth pregnancies with four or more fetuses. More information would be helpful because we have less information about them, but the reason we have less information is because they are so rare. Conducting case studies of a few women who are currently pregnant with multiples or have given birth to multiples in the past may be the only practical way to research them.

Case studies can also be used to gain insight into historical events and natural phenomenon — things we are not able to repeat at will. Case studies have also been used to study subjects such as a feral child , child prodigies, rare psychological conditions, crisis response, and more.

Helping People Better Understand Nuanced Concepts

Educators incorporate case studies into their lectures for a reason. Walking students through a detailed case study can make the abstract seem more real and draw out the nuances of a concept. Case studies can facilitate engaging discussions, spark thoughtful questions, and give students a chance to apply what they have learned to real-world situations.

Outside the classroom, case studies can be used to illustrate complex ideas. For instance, a well-constructed case study can highlight the unintended consequences of a new piece of legislation or demonstrate that depression does not always manifest in an obvious way. Case studies can help readers and listeners understand and care about an issue that does not directly affect them.

Despite their benefits, case studies do come with a few limitations. Compared to other research methods, case studies are often at a disadvantage in terms of the following:

Replicability

In most cases, scientists strive to create experiments that can be repeated by others. That way, other scientists can perform their own research and compare their results to those of the initial study. Assuming these other scientists achieve similar results, the replicability of the experiment lends credibility to the findings and theories of the original researchers.

One limitation of case studies is that they are often difficult, if not impossible, to replicate. Although this fact does not diminish the value of case studies, it does demonstrate that case studies are not a good fit for every research problem — at least, not on their own. Additional research would have to be performed to corroborate the results and prove or disprove any generalized theories generated by a case study.

Generalization

Generalization is another area in which case studies cannot match other research methods. A case study can help us challenge existing theories and form new ones, but its results cannot necessarily be generalized. The data we gather from a case study is only valid for that specific subject, and we cannot assume that our conclusions apply to the broader population.

Researchers or readers can attempt to apply the principles from a particular case to similar situations or incorporate the results into a more comprehensive theory. However, a case study by itself can only prove the existence of certain possibilities and exceptions, not a general rule.

Reliability

The reliability of case studies may be called into question for two reasons. The first objection centers on the fallibility of human memory and the question of whether subjects are being honest. Many case studies rely on subjects to self-report biographical details, their state of mind, their thoughts and feelings, or their behaviors.

The second issue is the Hawthorne effect, which refers to the tendency of individuals to modify their behavior when they know they are being observed. This effect makes it nearly impossible for researchers to ensure that the observations and conclusions of their case study are reliable.

Researcher Bias

Researcher bias is another potential issue with case studies. The results of a case study are by nature subjective and qualitative rather than objective and qualitative, and any findings rely heavily on the observations and narrative provided by the researcher. Even the best researchers are still human, and no matter how hard they try to remain objective, they will not be able to keep their findings completely free of bias.

Researchers may have biases they are not even aware of. A researcher may over-identify with the subject and lose the benefit of a dispassionate outside perspective. If the researcher already has an opinion on the subject, they may subconsciously overlook or discount facts that contradict their pre-existing assumptions. Researcher bias can affect what the researcher observes and records, as well as how they interpret and apply their observations.

Case studies can be time-consuming and expensive to conduct. Crafting a thorough case study can be a lengthy project due to the intensive, detailed nature of this type of research. Plus, once the information has been gathered, it must be interpreted. Between the observation and analysis, a case study could take months or even years to complete. Researchers will need to be heavily involved in every step of the process, putting in a lot of time, energy, focus, and effort to ensure that the case study is as informative as possible.

Now that you understand the benefits, limitations, and types of case studies, you can follow these steps to write your own:

• Determine your objective.  Write out your research problem, question, or goal. If you aren’t sure, ask yourself questions like, “What am I trying to accomplish? What do I need to know? What will success look like?” Be clear and specific. Your answers will help you choose the right type of case study for your needs.
• Review the research.  Before delving into your case study, take some time to review the research that is already available. The information you gather during this preliminary research can help guide your efforts.
• Choose a subject.  Decide what or who the subject of your case study will be. For instance, if you are conducting a case study to find out how businesses have been affected by new CDC guidelines, you will need to choose a specific restaurant or retailer. In some cases, you may need to draft a release form for the subject to sign so that you will be able to publish your study.
• Gather information.  Case studies about a person, organization, or group may rely on questionnaires or interviews to gather information. If you are studying an event, you might use a combination of academic research and witness interviews. In some cases, you will record your own observations as part of the study.
• Write a report.  Most case studies culminate in a written report, similar to a research paper. Most case studies include five sections : an introduction, a literature review, an explanation of your methods, a discussion of your findings and the implications, followed by a conclusion.
• Publish your findings.  Once you’ve written your case study, consider the most engaging way to present your findings. A well-written research article is a good place to start, but going a step further will maximize the impact of your research. For instance, you could design an infographic to highlight key findings or commission an animated video to turn your case study into a visual narrative.

Whether research is your primary occupation or only an incidental part of your job, you can benefit from a solid understanding of what case studies are, how they work, and when to use them. Use the information and steps above to design and write a case study that will provide the answers you’re looking for.

CopyPress writer

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How to Create a Case Study + 14 Case Study Templates

Written by: Brian Nuckols

When it comes to high impact marketing content, case studies are at the top of the list for helping show off your brand’s stuff. 

In this post, I’ve put together a few high-level case study design tips as well as 14 professionally designed case study templates that you can use to start designing beautiful case studies today. 

Let’s begin! 

Here’s a short selection of 12 easy-to-edit case study templates you can edit, share and download with Visme. View more templates below:

What is a Case Study?

A case study is a way for you to demonstrate the success you’ve already had with existing clients. When you create a case study, you explore how previous clients have used your product or service to reach their goals. 

In particular, a case study highlights a specific challenge or goal one of your clients was struggling with before they discovered your product. 

It then demonstrates how your work has assisted them on the journey towards overcoming the challenge or accomplishing the goal. 

A case study’s outcome is typically to share the story of a company’s growth or highlight the increase of metrics the company tracks to understand success. 

The case study includes an analysis of a campaign or project that goes through a few steps from identifying the problem to how you implemented the solution. 

How to Write a Case Study

When it comes to adding irresistible design to your content from the start, using a helpful tool is a great start. Sign up for a free Visme account and start highlighting your own client success stories using one of our case study templates today. 

Also, while you’re beginning to transition your case study workflow to include a professional design tool, it’s helpful to review some high level principles you can incorporate into your case study. 

We’ll start by reviewing some of the critical style tips and structural elements to include in your case study before progressing to a more detailed design section. 

Pinpoint Your Main Message

When designing an impactful case study, it’s essential to stay clear on the metrics that you’re highlighting. The process of overcoming business challenges is a dynamic process with many moving parts. 

If you do not stay focused on what matters in your case study, you risk obscuring the big win your client experienced by using your product or service. 

This is why you need to focus on a single message or metric. This is often called the north star metric . 

The north star metric is the single most crucial rate, count or ratio that helped your client move closer towards their goals or overcame an obstacle. 

While north star metrics are context dependent, a useful heuristic you can utilize is to figure out the most predictive metric of your client’s long term success. 

In the template I’ll highlight below, cost per lead was the north star metric that The College for Adult Learning needed to optimize. 

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Use Emotionally Rich Language 

Recently researchers at Presado did an interesting study to understand the types of language that help readers take action. They broke the content included in marketing assets into several categories, including functional, emotional and descriptive. 

In the most successful pieces of content, the researchers found that emotionally coded words were present in 61% of the content’s total volume.

This research shows the benefit of using emotionally engaging content in your case study. While it’s essential to focus on the concrete evidence of how you helped your client get from where they started to a successful outcome, do not forget to highlight the emotional journey. 

Use Data For Concrete Evidence 

Once you’ve decided on the north star metric to highlight and you choose the emotional response you want to reinforce in your case study, it’s important to use actual data from the project to share the concrete results your product helped to achieve. 

To make sure your audience can follow your line of thinking, make sure the data in your case study is precise. If you track data across time, your readers must know whether you chose to track by month or years. 

If there are any apparent trends, you can use color to highlight specific areas in a chart. 

If you want to dig deeper into using data to tell compelling stories, check out our video data storytelling tips to improve your charts and graphs. 

In the template below, The College for Adult Learning case study is an excellent example of how these elements can work together. 

Cost per lead was a critical north star metric, so we chose to emphasize the increase in revenue and a decrease in cost per lead. 

Additionally, the background section uses emotionally rich language by highlighting how the school helps students get ahead with their career goals. Also, the factual data is the centerpiece of this page in the case study.

If you’re ready to share how you impacted a client, use the College for Adult Learning case study template right now! 

Include All Necessary Parts of a Case Study

After you’ve interviewed your client and you’re getting ready to start writing, it’s important to remember each piece you need to cover.

All good case studies consist of five parts: Introduction, Challenge, Solution, Benefit and Result.

While you don’t necessarily need to label each section like that, be sure that the flow makes sense and covers each section fully to give your audience the full scope of your case study.

RELATED: 15 Real-Life Case Study Examples & Best Practices

14 Case Study Templates

Now that we have explored some of the high level strategies you can use to create a business case study, we will transition to 14 case study design templates you can use with Visme. 

1. Fuji Xerox Australia Case Study Template

Use the Fuji Xerox case study template to showcase the concrete results you achieved for your clients. It has sections where you can explain the goals you started with and the results you achieved. 

2. College for Adult Learning Case Study Template

As we’ve explored already, the College for Adult Learning template has sections where you can embrace a data driven storytelling approach while also connecting with your audience using emotionally rich language. 

Utilize the professionally designed business case study to connect with your audience. 

3. Intel Case Study Template

The Intel case study has beautiful visual elements and gives you space to share the project’s context and the goals you set out to achieve. It also allows you to get concrete with the results you achieved. 

You can always use the Visme Brand Kit to incorporate your unique brand colors into this stunning design. 

4. Bit.ly Case Study Template

Bit.ly is a marketing product that helps brands track how they are doing with campaign results. The bit.ly business case study template showcases how they drove impressive results for an eCommerce business. 

You can modify the professionally designed case study template to illustrate the key results you drive for your clients. 

5. NVISIONCenters Case Study Template

The NVISIONCenters case study template is an excellent example of how powerful it is to pair beautiful designs with the results you generate for your clients. In this case study, we see how you can transform your past accomplishments into a powerful marketing asset. 

6. Adobe Case Study Template

The Adobe case study is an exciting example of a business case study because it does a great job illustrating how you can use a specific result to create a powerful marketing asset. 

Adobe had a particular goal of branding to position itself as a leader for the future of digital marketing. LinkedIn sponsored messages was an effective tactic to drive the outcome Adobe needed. 

You can use the Adobe case study template to demonstrate the success of your most effective tactics. 

7. Inkjet Wholesale Case Study Template

The Inkjet wholesale case study template is an excellent choice if you want to experiment with your case study’s visual element. The roadmap to objectives diagram is a powerful graphic that illustrates the journey of a successful campaign. 

8. Neutrogena Case Study Template

If you have a strong visual brand to tell your case study’s story with visuals, the Neutrogena template is a great choice. It is already designed with plenty of space to highlight your visuals. 

When it is all said and done, you have the results section to complete a successful client partnership story.

9. Weebly Case Study Template

The Weebly case study template is your choice if you want to add visual flair to your case study. The beautiful layout is a testament to the power of pairing minimal design with an exciting statistic. 

10. Patagonia Case Study Template

The Patagonia case study is a perfect example of how crucial it is to make design choices based on your brand’s unique personality. 

It is a fantastic choice if you have a project to showcase featuring a brand with a distinct brand aesthetic.  

11. Think With Google Case Study Template

The Think With Google case study template tells the story of a mobile game that needed to create more engagement on their app. 

It is a visually impactful case study design template that you can use to tell a compelling story about your results. 

12. Kleenex Case Study Template

This case study template is the perfect way to show off search marketing results for a client or other highly specific KPIs that you managed to accomplish.

Insert the initial challenge followed by your company’s solution and adjust the included data visualization tools to showcase your specific results.

13. Customer Experience Presentation Case Study Template

The presentation case study template is an excellent choice for blending beautiful visual elements with the ability to give detailed information about the results you generated, as well as showcasing that data in a unique format. 

If you are ready to show how the unique features of your product or service drove real world business results then it is a good choice for your case study. 

14. Webinar Presentation Case Study Template

One small business saw incredible results when using Visme to optimize their webinar workflow. They saved 100 hours of their precious time by incorporating our collaborative design tools. 

We designed the small business template using those results as an example. When you have an eye catching effect to showcase to your audience, you can use this template as a starting point. 

Case Study Design Tips

Now that we’ve explored the 14 templates you can use with Visme to create your case study, let’s take a look at some practical design tips that will take your content to the next level. 

Be Brief In Your Case Study 

In discussions about writing with style, brevity is a common topic. However, it’s also an important design principle. 

Brevity in design is when you find the best way to perform your intended objective in as few steps as possible. 

When designing your case study, make sure you do not add extraneous visual elements where they are not needed. Instead, think of the effect you want to have on your reader and try to do it simply. 

Describe Your Vision Clearly

Earlier in this article, I wrote about the north star metric, your case study’s emotional effect and using data to make the case study concrete. Your design choices should serve to reinforce these primary goals. 

Clarity in design is when all of the visual elements add up to a whole. 

A great example of this is in the small business case study template where the shapes, typography and color scheme all emphasize the main idea that Visme helps the reader save time. 

Create A Consistent Style 

Visual consistency is a fundamental design principle that you can not afford to ignore in your case study. It will help you increase readability and make sure your audience does not get frustrated with jarring visual elements. 

In short, a consistent style is when you use a uniform color scheme, typography and the same kinds of visual elements throughout the case study. 

Use A Case Study Template For Readability

Readability is a crucial element of design, especially for case studies that are experienced on mobile devices. Contrast is an impactful readability principle. 

Make sure any contrasting colors you chose are easy on the eye and your reader does not have to strain to read your case study. 

Use Proper Alignment In Your Case Study 

Alignment is one of the principles of design that sets professionally designed business case study templates apart. Great designers have an intuitive eye for the mathematically based ratios of proximity invisible in sound design and an eyesore in lousy design. 

The good news is that you do not have to be a mathematician nor a professional designer to have a perfect alignment for your case study. Visme utilizes an easy to use drag and drop design tool that helps you achieve proper alignment in your case study. 

Let Your Brand Personality Speak

When we make intentional design decisions, we want to create a positive emotional experience for our audience. One of the best ways to do that is to make decisions that showcase your brand’s unique personality .

Is the case study you are creating like a well dressed business person who is serious, trustworthy and capable of doing a great job? Is it more like an extravert at a party bouncing from person to person lighting up the room? 

There is no right answer, but you need to infuse your viewpoint into the case study you create if you want to create a unique design. 

Start Designing Your Case Study Today 

A professionally designed case study template will help you create a stunning case study. While reviewing some high level design strategies is an important step, a tool like Visme will help you make a real impact on your audience.

If you’re ready to create your next case study, get started with Visme today .

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About the Author

Brian Nuckols is a writer working in Pittsburgh, Pennsylvania. He enjoys communicating visionary ideas in clear, action oriented language. When he’s not working on content for a transformative company you can find him analyzing dreams, creating music, and writing poetry.

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Top Social Media Case Studies and Lessons to Learn

Social media case studies provide practical, actionable insights for your online marketing campaigns. They can highlight what works and what doesn’t. By learning from the experiences of others, you can refine your strategies to boost engagement and increase social media conversion rates for your business. 

As of 2024, the average internet user spends 143 minutes daily on social media. This high level of engagement presents a significant opportunity for brands to connect with potential customers. And adopting the best practices and strategies demonstrated in successful social media case studies can help you achieve this. 

In this blog, we’ll be exploring examples of social media case studies and their valuable lessons. So be sure to glean insights from them to ramp up your social media marketing game. 

Social media case studies of best social media brands

Using the right social media strategy can be a game changer for your brand as it will help you reach your audience effectively. Let’s look at a few success stories: 

#1: Spotify

In 2013, Spotify introduced its "Year in Review" feature. The company realized it had a treasure trove of streaming data. While the graphics were on-brand and less quirky than today’s versions, they still captured the audience’s attention.  

Fast-forward to 2016, Spotify rebranded these data stories as " Wrapped ." Each year, Spotify Wrapped introduces new and fun features based on users’ listening habits — from identifying your unique “audio aura” to categorizing you into one of 16 “listening personality types.”  

Why this campaign?    The campaign taps into users' love for content personalization and nostalgia, allowing them to reflect on their past year in music and share their unique listening habits with their friends and followers. This annual tradition has become a highly anticipated event. It generates buzz and drives customer retention and new sign-ups.  

What did they do?    Spotify collates vast amounts of listening data and presents it with eye-catching graphics that are instantly shareable on Facebook, Instagram and X. This enhances shareability and personalization, contributing to the viral success of Spotify Wrapped. 

How did it help?    Spotify Wrapped's social media metrics highlight its viral success. The campaign generated significant engagement, with more than 156 million users interacting with their personalized Wrapped summaries in 2022. What’s more, the first three days after its 2022 launch, Spotify Wrapped generated over 400 million tweets/X posts, highlighting its strong shareability and user engagement on social media platforms. 

What to take away?  

• Embed shareability for virality: Spotify Wrapped is highly shareable. The content is perfectly optimized for social media. The app even encourages you to share your Wrapped summary. Crafting personalized content that people are excited to share is a successful social media strategy , as active participation naturally follows when you engage your audience. 
• Create rituals: While Spotify Wrapped's format remains consistent, it gains more traction on social media each year. Annual campaigns, particularly those towards the year's end, establish a sense of ritual, and consumers are conditioned to anticipate them. Ritualized content gives your audience something to look forward to, year after year. 
• Jump on that bandwagon: Making brand-specific versions of popular content is a fantastic way to participate in the conversation. For instance, SEMRush used the Wrapped format to create unique content tailored to its audience. 

Deep Dive: How to adopt trends and broaden your channel coverage mix (while staying on brand)  

#2: The Barbie Movie 

The 2023 film Barbie brought the beloved Mattel doll to life in a dazzling, contemporary adventure. Starring Ryan Gosling and Margot Robbie, the movie seamlessly blends fantasy and reality as Barbie embarks on a transformative journey from her idyllic, pink-hued world to the real one. 

Why this campaign?  The Barbie marketing campaign was a masterclass in leveraging nostalgia, contemporary pop culture and innovative social media promotion strategies. It generated a massive buzz and captured the imagination of audiences worldwide. 

What did they do?    Warner Brothers and Mattel collaborated to create a multifaceted campaign. This included vibrant teasers, interactive social media content and high-profile brand partnerships. Here are the specifics:  

• Shared behind-the-scenes content, trailers and other promotional materials on all social media platforms 
• Engaged influencers and celebrities to create inspired memes and generate excitement 
• Created a sense of community by reflecting the diversity of its audience   
• Barbie-themed Malibu DreamHouse listed by Airbnb 
• Barbie-styled clothing line launched by Forever21 
• Barbie-themed meals offered by Burger King in Brazil 

• Utilized innovative tactics like a selfie generator to keep fans engaged 
• Benefitted from the unplanned "Barbenheimer" phenomenon 

The simultaneous release of Oppenheimer and Barbie really captured the public’s imagination. It sparked an unexpected cultural phenomenon known as "Barbenheimer." Christopher Nolan's intense biographical drama "Oppenheimer" explored the life of J. Robert Oppenheimer and the creation of the atomic bomb, while Greta Gerwig's "Barbie" was inspired by the iconic doll. The stark contrast between the two films captivated both audiences and the media.  

The phenomenon was fueled by social media buzz, memes and fans' enthusiasm for the unique cinematic experience of watching two drastically different films back-to-back. This boosted box office numbers for both movies and created a shared cultural moment transcending typical movie-going experiences. The playful rivalry and the combined marketing efforts led to unprecedented social media engagement , making "Barbenheimer" a standout event in 2023. 

How did it help?    The movie had grossed $1.45 billion worldwide , including $636 million in North America. Barbie was the top-grossing film of 2023, largely due to its strong social media engagement. In fact, in a Statista survey, more than half of the respondents claimed that they primarily learned about the movie through social media. 

• Generate buzz: The Barbie social media marketing campaign is a true masterclass in creating viral content. It clearly demonstrates that, when utilized effectively, social media can be an incredibly powerful tool for bringing a brand, product or film into the spotlight. Your marketing message becomes more powerful when it consistently appears in the feeds of your target audience .   

🤔 Are you looking to be in the public eye consistently?   

To be the talk of the “global town,” you need to be steady with your posting and ensure that your content is delivered at the ideal times. However, keeping track of all your social media posts and activities can often seem like a Herculean task. Though, there is a quick way to simplify all that manual heavy lifting.  

Sprinklr's Social Media Publishing & Engagement tool helps you streamline the organization, planning and execution of your social media content. With it, you can:

👁️ Get a complete overview of your posts, events and campaigns  

📚 Publish across 30+ channels at the same time 

🖼️ View comments, mentions and messages across channels in a single space 

🔎 Monitor the performance of your paid, owned and earned media in one single dashboard 

Pro Tip💡: Ensure your top content receives the exposure it merits. Influencers offer a distinctive viewpoint that authentically resonates with customers and potentially influences purchasing decisions. As such, using a tool like Sprinklr's AI-led Influencer Marketing Platform can help you find the right influencers across multiple demographics. It identifies the best-suited influencers to maximize the reach, authenticity and impact of your marketing message, and it also gives deeper insights into their performance. 

• Innovate to resonate: Barbie's marketing campaign showcased various inventive strategies to captivate fans. Due to the interactive experiences offered through the film's promotion, audiences remained eagerly anticipating its release. For instance, typing "Barbie," "Margot Robbie," "Ryan Gosling" or "Greta Gerwig" into Google search triggered a magical makeover and turned the screen pink with sparkles, thrilling fans worldwide. 
• Be inclusive: The Barbie campaign embraced inclusivity by appealing to various audiences. By featuring diverse characters and themes in its marketing materials, Barbie made audiences feel represented and included in the brand's narrative. The propagation of social media accessibility and inclusivity strengthened Barbie's connection with its fan base and drew new audiences.

Related Read: 10+ Ideas for Social Media Posts That Move the Needle  

#3: Shiseido Japan 

Shiseido Japan is a renowned global beauty and cosmetics company with a rich heritage of combining Eastern aesthetics and Western science. The company has established itself as a leader in the beauty industry and is known for its innovative skincare, makeup and fragrance products.  

Why this campaign?    Historically, Shiseido Japan's makeup marketing teams collaborated with agencies to monitor social media performance. They relied on agency-provided reports or manually checked each social account, which prevented them from responding quickly to any issues. In 2021, Shiseido Japan decided to overhaul the marketing strategies for makeup brands like MAQuillAGE, Snow Beauty, INTEGRATE and MAJOLICA MAJORCA. 

What did they do?    Shiseido adopted Sprinklr's Unified-CXM platform to transform its marketing teams. It helped them collaborate effortlessly by combining tools and data on a single platform.

Pro Tip💡: Automate and manage workflows , such as campaign deployment and reporting, to free up time for teams to focus on strategic initiatives. Look for platforms or software solutions that offer features such as campaign scheduling, account addition via emails and customizable dashboards. Modern platforms like Sprinklr Social and Sprinklr Insights are purpose-built for this task, with all the aforementioned offerings and more. They unify channels, tools and data, providing a comprehensive view of the customer.

How did it help?    Sprinklr significantly enhanced Shiseido's social media management by centralizing all media accounts on a single platform. It allowed the marketing teams to access real-time data through customized dashboards and generate automated, shareable reports, enabling better social media measurement. This resulted in a 244% increase in overall owned media account performance in 2022.  

The shift to Sprinklr also facilitated a new data-driven culture for social campaigns, moving away from guesswork. Teams could validate ideas, check for viral potential using past trends and analyze campaign performance against social media KPIs (key performance indicators), making the necessary adjustments for future campaigns. This structured approach resulted in better campaign outcomes. Mentions of Shiseido's makeup brands on social media through user-generated content (UGC) increased by 406% in 2022, when compared to 2021. 

• Facilitate data-driven decision-making: Like Shiseido, consider investing in technologies like Sprinklr's Unified-CXM platform . It will transform your decision-making processes by providing real-time actionable insights by analyzing data collected across multiple channels.  
• Prioritize social listening : Make sure you prioritize social listening to analyze audience sentiment, track trends and identify opportunities for brand engagement. By actively monitoring social media conversations, engaging with your audience and leveraging UGC, you can foster authentic connections with your customers. 
• Customize your dashboards: Tailor your social media analytics tools to your unique needs, just like Shiseido did with Sprinklr's dashboards. By customizing metrics and dashboards to track social media KPIs relevant to your business goals, you'll gain deeper insights into your social performance. 

Read More : Sprinklr’s Social Media Case Study on Shiseido Japan

How do you write a social media growth case study?  

Now that we’ve examined some great social media case studies, let's explore how you can create one. Here’s how you can structure and populate one on your own:  

1. Introduction 

• Introduce the brand: Start by briefly introducing the brand whose social media growth you are examining. 
• State the purpose: Explain the purpose of the case study and what you aim to demonstrate. 

2. Background

• Ground zero: Describe the initial state of the brand's social media presence. Include metrics like follower count, engagement rates and notable challenges. 
• Objectives: Clearly outline the brand's goals for social media growth. These could be increasing followers, boosting engagement or enhancing brand awareness . 

3. Strategy 

• Target audience: Define the target audience for social media efforts. 
• Platform selection: Explain which social media platforms were chosen and why. 
• Content strategy: Explain what types of content were created and their messaging. 
• Campaigns: Describe the brand’s advertising campaigns, apart from influencer partnerships, paid advertising or user-generated content campaigns. 

4. Implementation 

• Timeline: Provide a timeline of key activities and milestones. 
• Resources: Discuss the resources used, including team members, tools and budget. 

5. Metrics 

• Growth metrics: Present metrics that indicate growth, such as changes in follower count, engagement rates, reach and impressions . 
• Additional metrics: Include other relevant metrics like click-through rates, conversion rates and social media ROI . 

6. Results 

• Compare and contrast: Compare the initial metrics with the final results to show the growth. 
• Achievements: Highlight major achievements and milestones reached during the campaign. 

7. Solutions 

• Obstacles: Discuss any challenges faced during the campaign. 
• Fixes: Explain how these challenges were addressed and what solutions were implemented. 

8. Takeaways 

• Successful strategies: Summarize the social media growth strategies that worked well and contributed to success. 
• Lessons learned: Reflect on what could have been done differently and any lessons learned for future campaigns. 

9. Conclusion 

• Summary: Recap the main points and results of the case study. 
• The future: Briefly mention any next steps for the brand’s social media strategy. 

10. Visual elements  

• Charts and graphs: Use reporting charts and graphs to visually represent the data and growth metrics. 
• Screenshots: Include screenshots of successful posts, campaign highlights and other visual elements.  

Final thoughts  

These social media case studies showcase innovative strategies for capturing audience attention and driving significant engagement. However, this is easier said than done. The challenge for large brands in social media marketing lies in effectively leveraging data insights and managing multiple channels. 

Sprinklr Social can help you with this. It offers real-time actionable data insights, streamlines social media management and enables personalized engagement with audiences. The platform is trusted by global companies for its in-depth listening, unmatched channel coverage of 30+ digital channels and enterprise-grade configurability. This is so you’re always in the know of every customer interaction. The best part? It automates your end-to-end social media management with the industry-leading Sprinklr AI and accelerates content creation with top-tier generative AI capabilities. 

Keen to find out how this software can elevate your social media marketing efforts?  

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Writing a Psychology Case Study: Mastering the Skill

Creating case studies is an exciting and challenging assignment, isn't it? You are to combine theoretical data and practical skills when writing this paper. Analytical thinking is also a great help in this field. The project is quite useful in psychological, medical, educational, and social spheres.

Why are case studies important in psychology? They give a wonderful chance

• to understand personal behavior and manners,
• to investigate symptoms and offer effective treatment,
• to interpret group or individual identity. 

Today we'll discuss the meaning of psychological case studies – the definition, types, and benefits – and offer a few useful tips on how to write these papers. So let's start the exploration.

Case Studies in Psychology: Making an Overview

Generally, a case study means an extensive analysis of a person, group, or episode. It may concern any aspect of the target's life. This method appears to be effective when it is impossible to carry out an experiment. 

Well, what is a case study in psychology? A psychology case study implies a focused information gathering in terms of life reality – behavior, manners, habits, and whatnot. Mostly, it touches on the practical state of affairs, not theoretical matters. You may collect data by psychometric testing, observing, interviewing, and looking through archival materials. The process may resemble looking at the target object through a magnifier.

Due to psychology case studies nature, they play a crucial role in human mind investigation:

• give a meticulous description of personal or collective behavior;
• help to examine the specificity of every unique case;
• provide practical evidence for theoretical hypotheses;
• bring a complete understanding of the investigated phenomenon;
• produce a wide range of practical applications.

Case Studies in Psychology: Types and Features

The case study method in psychology is a complicated issue. There are different types of studies, and each of them assists in a separate field.

Besides, they may be:

• individual or collective (according to the number of target persons);
• cross-sectional or longitudinal (marking a situation in a distinct time point or a long period correspondingly).

Benefits of Case Studies in Psychology

Psychological Case Studies have a few advantages if comparing this method with other investigation issues in this sphere:

• It provides a bright picture of the phenomenon, showing its nuances and specificity.
• It is quite easy to be carried out, especially in practical and ethical terms.
• It gives a true-to-life, rather objective context.
• It is a good educational tool.
• It presents a possibility of flexible investigating, adaptable to current circumstances.

8 Hints on How to Write a Case Study in Psychology

If you come across creating a psychological case study, be attentive, observant, and patient. It is perfect if you have both analytical and storytelling skills. They occur rather helpful when writing this kind of paper. To simplify the situation we offer a few recommendations concerning the composing process.

• Make up a subject profile. It should be specified enough, containing the target's name, age, status, and other necessary personal information.
• single-subject or collective,
• cross-sectional or longitudinal,
• exploratory, explanatory, illustrative, instrumental, or others.
• personal history,
• various psychological factors (traits of character, emotional manifestations, and other similar matters),
• social aspects (environmental impacts on the person)
• events, having influenced the target greatly, etc.
• Make a meticulous description of the target issue that is the focus of the investigation. As a rule, it is to comprise symptoms, problems, and behavior specificity. It is also advisable to record the exact time and duration of issue expressions if there are any.
• Analyze all the gathered data.
• Produce the diagnosis and offer a treatment strategy (therapy, medicines, changes in lifestyle, etc).
• Comment on the process of treatment and its aims.
• Make up a discussion section, interpreting all the results of the study and offering an area for further work.

Having explored the case study definition in psychology in detail, you are certain to realize what data to gather and how to perform a successful result without trouble. Moreover, at any moment you may turn to Aithor – an AI-powered generator – to get an example of a topical study case project.

7 General Tips for Writing a Psychology Case Study

There are a few additional tips on how to produce a fine case study in psychology.

• Be sure that you may communicate with the target and operate with necessary information freely.
• Prepare an elaborate study case outline.
• Record every matter you get in the course of the investigation.
• Respect the ethical norms.
• Discuss the case with colleagues and professionals.
• Analyze everything thoroughly.
• Be precise, patient, and persistent.

To cap it all, case studies definition in psychology underlines the practical importance of carrying out such investigations. Learning the episode in detail helps in producing the adequate diagnoses and treatments. So, try to carry out the exploration in the most consistent and clear way possible. We hope that the presented recommendations will assist you in creating fine projects. Good luck!

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• Introduction
• Conclusions
• Article Information

AD indicates atopic dermatitis; OCS, oral corticosteroid.

a Rheumatoid arthritis, ankylosing spondylitis, systemic lupus erythematosus, psoriasis, Crohn disease, ulcerative colitis, Sjögren syndrome, systemic sclerosis, dermatomyositis, polymyositis, thromboangiitis obliterans, Behçet disease, sarcoidosis, pemphigus, and vitiligo.

b Patients who received a diagnosis of the outcomes of interest (osteoporosis, fracture, type 2 diabetes, hyperlipidemia, hypertension, myocardial infarction, stroke, heart failure, avascular necrosis, cataract, or glaucoma) during 1 year before or 1 year after the cohort entry date were excluded.

OR indicates odds ratio.

a Modified definition of the exposure from cumulative duration of more than 30 days per year and more than 90 days per year to a cumulative duration of more than 60 days per year.

b The long-term use of oral corticosteroids was defined as a cumulative supply of more than 30 days or more than 90 days with a greater than 5-mg daily prednisolone-equivalent dose of oral corticosteroids, which places patients at risk of systemic adverse effects, and we assessed the long-term use of oral corticosteroids annually. To exclude potential use of oral corticosteroids for conditions other than atopic dermatitis, we restricted exposure to prescriptions for patients with a diagnosis of atopic dermatitis.

c Restricted to patients who could be followed up for at least 3 years from the cohort entry date.

d Restricted to patients who could be followed up for at least 5 years from the cohort entry date.

eTable 1. Demographic and Clinical Characteristics of Cases and Controls of Adult Patients (>18 Years) With Atopic Dermatitis for Composite Outcome

eTable 2. Codes Used to Define Exclusion Criteria, Exposures, Outcomes, and Covariates

eTable 3. Exposure Definition Regarding to Long-Term Oral Corticosteroid Usage in the Previous Studies

eTable 4. Demographic and Clinical Characteristics of Cases and Controls of Adult Patients (>18 Years) With Atopic Dermatitis, Comparison Between Ever Long-Term Use of OCS Over 30 Days vs 90 Days

eTable 5. Demographic and Clinical Characteristics of Cases and Controls of Adult Patients (>18 Years) With Atopic Dermatitis: Osteoporosis

eTable 6. Demographic and Clinical Characteristics of Cases and Controls of Adult Patients (>18 Years) With Atopic Dermatitis: Fracture

eTable 7. Demographic and Clinical Characteristics of Cases and Controls of Adult Patients (>18 Years) With Atopic Dermatitis: Type 2 Diabetes Mellitus

eTable 8. Demographic and Clinical Characteristics of Cases and Controls of Adult Patients (>18 Years) With Atopic Dermatitis: Hyperlipidemia

eTable 9. Demographic and Clinical Characteristics of Cases and Controls of Adult Patients (>18 Years) With Atopic Dermatitis: Hypertension

eTable 10. Demographic and Clinical Characteristics of Cases and Controls of Adult Patients (>18 Years) With Atopic Dermatitis: Myocardial Infarction

eTable 11. Demographic and Clinical Characteristics of Cases and Controls of Adult Patients (>18 Years) With Atopic Dermatitis: Stroke

eTable 12. Demographic and Clinical Characteristics of Cases and Controls of Adult Patients (>18 Years) With Atopic Dermatitis: Heart Failure

eTable 13. Demographic and Clinical Characteristics of Cases and Controls of Adult Patients (>18 Years) With Atopic Dermatitis: Avascular Necrosis

eTable 14. Demographic and Clinical Characteristics of Cases and Controls of Adult Patients (>18 Years) With Atopic Dermatitis: Cataract

eTable 15. Demographic and Clinical Characteristics of Cases and Controls of Adult Patients (>18 Years) With Atopic Dermatitis: Glaucoma

eTable 16. E-Values for Point Estimates of Different Outcomes of Interest for Primary Exposure: >30 Days a Year

eTable 17. E-Values for Point Estimates of Different Outcomes of Interest for Primary Exposure: >90 Days a Year

eFigure 1. Overall Design of This Nested-Case Control Study

eFigure 2. Case-Control Matching Using Risk-Set Sampling Method

eFigure 3 . Explanation for the Exposure Status According to 1) Ever Long-Term OCS, 2) Cumulative No. of Years of Long-Term OCS, 3) Consecutive No. of Years of Long-Term OCS for the Primary (>30 Days) and Secondary (>90 Days) Exposure Definition

eFigure 4. Subgroup Analysis According to the Age Stratification for Evaluating the Risk of Composite Adverse Outcomes Associated With Long-Term Use of OCS

eFigure 5. Subgroup Analysis According to the Sex Stratification for Evaluating the Risk of Composite Adverse Outcomes Associated With Long-Term Use of OCS

eFigure 6. Subgroup Analysis According to the Severity of AD Stratification for Evaluating the Risk of Composite Adverse Outcomes Associated With Long-Term Use of OCS

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Jang YH , Choi E , Lee H, et al. Long-Term Use of Oral Corticosteroids and Safety Outcomes for Patients With Atopic Dermatitis. JAMA Netw Open. 2024;7(7):e2423563. doi:10.1001/jamanetworkopen.2024.23563

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Long-Term Use of Oral Corticosteroids and Safety Outcomes for Patients With Atopic Dermatitis

• 1 Department of Dermatology, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, Korea
• 2 School of Pharmacy, Sungkyunkwan University, Suwon, South Korea
• 3 Department of Biohealth Regulatory Science, Sungkyunkwan University, Suwon, South Korea
• 4 Research Department of Practice and Policy, School of Pharmacy, University College London, London, United Kingdom
• 5 School of Pharmacy, Aston University, Birmingham, United Kingdom
• 6 Department of Epidemiology, Biostatistics, and Occupational Health, McGill University, Montreal, Quebec, Canada
• 7 Department of Inflammation & Immunology Medical Affairs, Pfizer Pharmaceuticals Korea Ltd, Seoul, South Korea
• 8 Department of Clinical Research Design & Evaluation, Samsung Advanced Institute for Health Sciences and Technology (SAIHST), Sungkyunkwan University, Seoul, South Korea
• 9 Department of Dermatology, Konkuk University School of Medicine, Seoul, South Korea

Question   What duration of oral corticosteroid use is associated with adverse effects among adult patients with atopic dermatitis?

Findings   In this nested case-control study including 1 025 270 patients with atopic dermatitis, use of oral corticosteroids for more than 90 days during 1 year was associated with a slightly increased risk of composite adverse outcomes. There was no increased risk with use of oral corticosteroids for more than 30 days.

Meaning   This study suggests that for patients with exacerbations of atopic dermatitis, limiting the duration of oral corticosteroid treatment to 90 days or less may limit adverse effects.

Importance   The use of oral corticosteroids for prolonged periods may be associated with adverse events (AEs). Nevertheless, the risk of AEs with oral corticosteroids, especially among patients with atopic dermatitis (AD), has not been comprehensively investigated and lacks evidence on duration of treatment.

Objective   To assess the association between long-term exposure to oral corticosteroids and AEs among adult patients with AD.

Design, Setting, and Participants   This nested case-control study used data from the Health Insurance Review and Assessment Service database of South Korea between January 1, 2012, and October 31, 2021, which included 1 year prior to the cohort entry date of January 1, 2013, for assessing exclusion criteria and baseline characteristics, and 1 year after the study end date of October 31, 2020, to ensure a minimum duration for assessing exposure. Among the population of adults with AD, patients diagnosed with any of 11 AEs were matched with patients who had never received a diagnosis of any of the 11 AEs.

Exposure   Long-term use of oral corticosteroids was defined as cumulative supply of more than 30 days or more than 90 days of oral corticosteroid prescription per year.

Main Outcomes and Measures   We used multivariable conditional logistic regression analyses to measure the risk of 11 individual outcomes (osteoporosis, fracture, type 2 diabetes, hyperlipidemia, hypertension, myocardial infarction, stroke, heart failure, avascular necrosis, cataract, or glaucoma) as the composite outcome, controlling for potential confounders. We further classified the composite outcome to individual outcomes to evaluate the AE-specific risk.

Results   Among 1 025 270 patients with AD between 2013 and 2020, 164 809 cases (mean [SD] age, 39.4 [14.8]; 56.9% women) were matched with 328 303 controls (mean [SD] age, 39.3 [14.7]; 56.9% women) for sex, age, cohort entry date, follow-up duration, and severity of AD, where the balance of most baseline characteristics was achieved. A total of 5533 cases (3.4%) and 10 561 controls (3.2%) were exposed to oral corticosteroids for more than 30 days, while 684 cases (0.4%) and 1153 controls (0.4%) were exposed to oral corticosteroids for more than 90 days. Overall, there was no increased risk of AEs with use of oral corticosteroids for more than 30 days (adjusted odds ratio [AOR], 1.00; 95% CI, 0.97-1.04), whereas the risk was slightly higher with use of oral corticosteroids for more than 90 days (AOR, 1.11; 95% CI, 1.01-1.23). The small elevation in experiencing an AE was observed with each cumulative or consecutive year of ever long-term use.

Conclusions and Relevance   This case-control study found a slightly increased risk of AEs associated with use of oral corticosteroids for more than 90 days per year, which warrants future research to fully elucidate the observed findings.

Atopic dermatitis (AD) is a chronic inflammatory disease that causes serious morbidity, such as pruritus, impaired quality of life, and a range of comorbidities. 1 , 2 AD is a lifelong condition that relapses chronically and needs constant care. 3 Although AD is considered primarily a pediatric disease, studies have shown high rates of AD among adults as well. 4 The prevalence of AD among adults ranged from 2.1% to 4.9% across countries, and up to 10% of adults required medication for moderate to severe AD due to inadequate response to topical therapies; the prevalence rates were higher among adult patients than among pediatric patients, of whom 1.5% required medication for moderate to severe AD. 5 - 7

As AD treatment strategies, international guidelines and expert opinions generally recommend that oral corticosteroids should generally be avoided or limited to the short term only as rescue therapy. 8 - 11 Nonetheless, given the benefits of oral corticosteroids, including their effectiveness in allergic diseases, short-term safety, and low cost, many patients with moderate to severe AD are treated with oral corticosteroids for prolonged periods, which may constitute inappropriate or excessive use. 12 , 13 However, oral corticosteroid treatment for prolonged periods could have an association with oral corticosteroid–related complications. 14 Hence, clinical evidence informing patients and practitioners regarding the management of AD exacerbations in routine clinical practice is warranted.

Although previous studies among patients with asthma or rheumatic disease have suggested associations between long-term use of oral corticosteroids and various adverse events (AEs), there are few studies of patients with AD, to our knowledge. 15 - 21 In addition, existing studies about corticosteroid use among patients with AD were conducted to evaluate the safety concerns primarily about topical corticosteroids. 22 - 29 Considering the frequent use of oral corticosteroids among adults with AD and the potential association between long-term use of oral corticosteroids and AEs, some of which are severe, there is a need to investigate the safety of the long-term use of oral corticosteroids among adults with AD. 6 , 30 , 31 Accordingly, we aimed to investigate the association between long-term use of oral corticosteroids and AEs among adult patients with AD in South Korea.

We used the nationwide Health Insurance Review and Assessment Service (HIRA) database of South Korea between January 1, 2012, and October 31, 2021, which included 1 year prior to the cohort entry date of January 1, 2013, for assessing exclusion criteria and baseline characteristics, and 1 year after the study end date of October 31, 2020, to ensure a minimum duration for assessing exposure. It encompasses comprehensive data on health care use for every resident of South Korea, ensuring that patient identifiers are anonymized. The database collects information on socioeconomic and demographic variables, diagnosis ( International Statistical Classification of Diseases and Related Health Problems, Tenth Revision diagnostic code; setting of diagnosis; date of diagnosis; and others), and medications prescribed (national drug chemical code, days’ supply, dose, date of prescription, route of administration, and others) until the occurrence of emigration or death. A prior validation study examined diagnosis codes documented in the HIRA in comparison with those in electronic medical records and found an overall positive predictive value of 82.3%. 32 This study was approved by the institutional review board of Sungkyunkwan University, which waived the informed consent because only deidentified data were used in this study. This study followed the Strengthening the Reporting of Observational Studies in Epidemiology ( STROBE ) reporting guideline. 33

The study cohort comprised patients who were prescribed oral corticosteroids at least once with an AD diagnosis code from January 1, 2013, to October 31, 2020. The cohort entry date was defined as the first date of the prescription of oral corticosteroids with an AD diagnosis within the study period to include the new users of oral corticosteroids. Eligible case and control groups were identified after excluding the following: (1) patients with a diagnosis of immune-mediated inflammatory diseases during a 1-year window of exclusion assessment before the cohort entry date, to evaluate the risk of AEs from oral corticosteroid use for AD; (2) patients with a diagnosis of any of 11 outcomes of interest during the exclusion assessment window of 1 year before and 1 year after the cohort entry date, to investigate the association of oral corticosteroid use with newly occurred outcomes; and (3) patients who were younger than 18 years of age on the cohort entry date, to include adult patients ( Figure 1 ).

Cases were defined as patients with AD who received a diagnosis of any of our outcomes of interest after the cohort entry date, and the index date was defined as the first date of outcome occurrence. The composite outcome of interest consisted of osteoporosis, fracture, type 2 diabetes, hyperlipidemia, hypertension, myocardial infarction, stroke, heart failure, avascular necrosis (AVN), cataract, and glaucoma. We defined controls as patients with AD who never received a diagnosis of our outcomes of interests after the cohort entry date. We matched each case with up to 2 controls without replacement, using risk-set sampling on the cohort entry date (±30 days), follow-up duration (between the cohort entry date and the index date [±30 days]), age, sex, and severity of AD. Disease severity of AD was classified as moderate to severe on the basis of the current treatment guidelines for AD. 7 Moderate to severe AD was defined as patients who were receiving at least 1 immunosuppressant, alitretinoin, intravenous immunoglobulin, dupilumab, or phototherapy during the 1 year prior to the cohort entry date. The index dates of the control group were aligned with the corresponding index date of their respective matched cases. For individual outcomes, each case was matched with up to 5 or 10 controls, using different numbers from the composite outcome for ensuring statistical power according to the size of cases for each outcome variable, using risk-set sampling as well (eFigure 2 in Supplement 1 ).

We defined the exposure ascertainment window as the period between the cohort entry date and the index date, segmenting the period into yearly intervals to assess exposure year by year to determine whether patients met the definition for long-term use of oral corticosteroids. Owing to the absence of consensus for a definition of long-term oral corticosteroid use among patients with AD, and even for other diseases, we set the classification of long-term oral corticosteroid use as follows: cumulatively more than 30 days as the primary definition for modest long-term use or more than 90 days as a secondary definition for extensive long-term use, both with greater than a 5-mg daily prednisolone-equivalent dose of oral corticosteroids per year, which places patients at risk of systemic adverse effects. 17 To exclude potential use of oral corticosteroids for related conditions other than AD, we restricted exposure to prescriptions of oral corticosteroids to patients with a diagnosis of AD. Ever long-term use was defined as patients with a history of long-term use of oral corticosteroids for at least 1 year, and all remaining patients were defined as no long-term use . Primarily, ever long-term use was defined as a binary variable using 2 thresholds (>30 days and >90 days). In addition, to examine the duration-response association with long-term use of oral corticosteroids, we used the year, which met the definition for the long-term use, as a continuous variable. We assessed the risk of each outcome associated with the number of cumulative years (considering all the intermittent years of long-term use of oral corticosteroids) throughout the exposure ascertainment period. We also evaluated the risk associated with the number of consecutive years (considering only the continuous years of long-term use of oral corticosteroids) within the exposure ascertainment period. Details of the exposure assessment are shown in eFigure 3 in Supplement 1 .

We discerned a sufficient collection of confounding variables that adequately accounted for potential biases in our analysis: demographic characteristics (eg, sex, age, and medical aid recipients), comorbidities (eg, allergic rhinitis, depression, chronic obstructive pulmonary disease, and thyroid disorders), comedications (eg, antidepressants, antibiotics, estrogens, and proton-pump inhibitors), proxies of overall health status (eg, history of hospitalization, number of outpatient visits, and Charlson Comorbidity Index score), and severity of AD. The characteristic assessment window was defined as the 1-year period before the cohort entry date (eFigure 1 in Supplement 1 ; the demographic characteristics [sex, age, insurance] were assessed on the cohort entry date and other characteristics such as comorbidities, comedications, proxies of health status, and severity of AD during the 1 year prior to cohort entry). The details of exclusion criteria, exposures, outcomes, and covariates are presented in eTable 2 in Supplement 1 .

The demographic characteristics of the cases and controls were presented as frequency (proportion) for categorical variables and as mean (SD) or median (IQR) values for continuous variables. The same analysis used to evaluate the demographic characteristics of the cases and controls of patients with AD were repeated for each of the 11 outcomes as secondary outcomes. Differences in baseline covariates between cases and controls were evaluated using the absolute standardized difference, where an absolute standardized difference greater than 0.1 indicates a statistical imbalance existing between 2 groups.

The association between long-term oral corticosteroid use and the risk of the composite and individual outcomes were investigated using multivariable conditional logistic regression analyses to estimate adjusted odds ratios (AORs) with 95% CIs, adjusting for unbalanced comorbidities, comedications, and proxies of health status after the matching. We conducted additional analyses by considering the number of cumulative or consecutive years of long-term use of oral corticosteroids throughout the entire exposure ascertainment window as continuous variables, to investigate the monotonic duration-response association.

The potential heterogeneity of long-term treatment adverse effects in selected subgroups of patients with AD was examined for the composite adverse outcomes according to age (18-39, 40-64, and ≥65 years), sex (male or female), and severity of AD (mild or moderate to severe AD). To evaluate the robustness of the main findings, sensitivity analyses were first conducted by modifying the definition of exposure from a cumulative duration of more than 30 days or more than 90 days per year to more than 60 days per year. Second, we restricted the population to patients who could be followed up for at least 3 years or 5 years from the cohort entry date. All statistical tests were 2 sided. Analyses were conducted using SAS Enterprise Guide, version 7.1 (SAS Institute Inc), provided by HIRA through a virtual access machine.

Of 1 025 270 patients with AD who had at least 1 prescription of oral corticosteroids between 2013 and 2020, we matched 164 809 cases (mean [SD] age, 39.4 [14.8]; 56.9% women and 43.1% men) with 328 303 controls (mean [SD] age, 39.3 [14.7]; 56.9% women and 43.1% men) ( Table 1 ) by 1:2 matching using risk-set sampling. Cases and controls were matched for sex, age, cohort entry date, follow-up duration, and severity of AD; balance was achieved for most covariates between the 2 groups, with an absolute standardized difference of less than 0.1 ( Table 1 ; whole baseline characteristics of cases and controls are presented in eTable 1 in Supplement 1 , individual outcomes in eTables 5-15 in Supplement 1 , and modest long-term [>30 days] vs extensive long-term [>90 days] in eTable 4 in Supplement 1 ). The most common comorbidity was allergic rhinitis (cases, 42.2%; controls, 38.7%), and the most prevalently prescribed concurrent medication was antibiotics (cases, 71.3% and controls, 66.8%). All the imbalanced variables of concurrent medication use and number of outpatient visits were additionally adjusted in the multivariable logistic regression.

Among the 164 809 cases and 328 303 controls, 5533 cases (3.4%) and 10 561 controls (3.2%) were exposed to oral corticosteroids over 30 days, and 684 cases (0.4%) and 1153 controls (0.4%) were exposed to oral corticosteroids over 90 days. Overall, the risk of AEs was not associated with use of oral corticosteroids exceeding 30 days (AOR, 1.00; 95% CI, 0.97-1.04) ( Table 2 ), while use of oral corticosteroids exceeding 90 days was associated with an 11% increased risk of the composite adverse outcome (AOR, 1.11; 95% CI, 1.01-1.23) ( Table 3 ). Each cumulative or consecutive additive year of long-term exposure (>90 days a year) was associated with a slightly increased risk of having an AE (AOR, 1.06; 95% CI, 1.00-1.13 and AOR, 1.06; 95% CI, 1.00-1.13, respectively).

In the analyses of individual outcomes, an increased risk for hypertension (AOR, 1.09; 95% CI, 1.03-1.15), AVN (AOR, 2.56; 95% CI, 1.82-3.62), and cataract (AOR, 3.22; 95% CI, 1.05-9.85) was associated with use of oral corticosteroids for more than 30 days ( Table 2 ). An increased risk for fracture (AOR, 1.22; 95% CI, 1.05-1.42), hyperlipidemia (AOR, 1.16; 95% CI, 1.03-1.30), myocardial infarction (AOR, 2.22; 95% CI, 1.17-4.22), and AVN (AOR, 6.88; 95% CI, 3.53-13.42) was associated with use of oral corticosteroids for more than 90 days ( Table 3 ). In our subgroup analysis, as compared with unexposed patients, the risk of composite AEs associated with long-term use of oral corticosteroids was generally consistent with the main analyses. No differences were observed in the stratified analyses according to the age group, sex, and severity of AD (eFigures 4-6 in Supplement 1 ). Furthermore, the results of composite outcomes demonstrated a high degree of consistency across all sensitivity analyses regarding the point estimates ( Figure 2 ).

We identified 164 809 cases and 328 303 controls of comparable patients with AD. The risk of composite adverse outcomes was not associated with with ever long-term use of oral corticosteroids exceeding 30 days, whereas the risk was slightly associated with ever long-term use exceeding 90 days. Also, the cumulative and consecutive years of ever long-term use throughout entire exposure ascertainment period was associated with a monotonic elevated risk of having an AE, although there was not a large discrepancy between the 2 distinctive analyses of additive years. Furthermore, small increased risks were identified in the examination of individual outcomes of fracture, hyperlipidemia, hypertension, myocardial infarction, AVN, and cataract. Generally consistent findings, with regard to point estimates, were observed across a range of sensitivity analyses.

Considering the overlapping pathogenetic mechanism between AD and asthma, we referred to studies of patients with asthma for comparison. One cohort study using Medicaid data found that the use of medium and high doses of systemic corticosteroids was associated with bone, cardiovascular, metabolic, and ocular AEs. 34 Another cohort study using 2000-2014 MarketScan data showed a similar increased risk of various AEs associated with the use of 1 to 3 oral corticosteroid prescriptions (AOR, 1.04; 95% CI, 1.01-1.06) and the use of 4 or more prescriptions (AOR, 1.29; 95% CI, 1.20-1.37); the cumulative burden also increased as the number of years accumulated. 20 Although previous research evaluated the frequency of oral corticosteroid use based on prescription numbers, our study provided more conclusive and valid clinical evidence by defining long-term use based on exact duration.

For individual outcomes, in line with previous studies, we also identified fracture, hypertension, hyperlipidemia, and myocardial infarction as AEs associated with long-term use of oral corticosteroids, owing to interruption of endocrine function and metabolism. 20 , 35 - 38 We observed risks of AVN and cataract with long-term oral corticosteroid use, although the risks of these 2 conditions were inconclusive in past studies. For the underlying mechanisms for AVN of the femoral head, the use of oral corticosteroids leads to intravascular coagulation that results in a inhibition of blood flow to the bones, which consequently triggers ischemic injury. 39 - 41 Although existing evidence regarding an association of AVN with duration of oral corticosteroid treatment is unclear, AVN could be induced from use of just over 30 days, and cumulative exposure is the important determining factor, as shown in our results. 39 Furthermore, although a complete elucidation remains uncertain, the mechanisms of new-onset cataract associated with modest long-term use of oral corticosteroids may be due to disturbances in osmotic equilibrium, oxidative detriment, and perturbations in lens growth factors. 42 , 43 Another potential hypothesis involves nonenzymatic Schiff base intermediates that form between the corticosteroid’s C-20 ketone group and its nucleophilic groups, undergoing Heyns rearrangement to produce stable amine-substituted adducts seen only in corticosteroid-induced posterior subcapsular cataracts. 44 , 45 No association or subtle increased hazard was observed with osteoporosis, glaucoma, stroke, or heart failure, implying that the dose and duration of corticosteroid treatment may not pose a risk for these conditions among patients with AD.

This study has some strengths. Concerns about conducting this study arose from the lack of consensus regarding the definition of long-term corticosteroid treatment, as different criteria have been used and variations have been observed (eTable 3 in Supplement 1 ). Accordingly, we combined the NICE (National Institute for Health and Care Excellence) guidelines 17 with the opinions of clinicians practicing in clinical settings. Even though evidence for a safe continuous duration of corticosteroid treatment was not available as we developed criteria for the definition of long-term treatment for the dichotomous variable, our criteria are expected to serve as a primary threshold for deciding the duration of treatment. In addition, although the long-term use of oral corticosteroids is not recommended in the guideline for treatment of AD, relatively prolonged use of oral corticosteroids is identified frequently in clinical practice. 12 Thus, this study addresses a significant gap in research by investigating the association between long-term oral corticosteroid use and a comprehensive range of AEs specifically among adults with AD. With its substantial sample size, the study provides robust statistical power to detect associations between oral corticosteroid use and relatively rare outcomes, adding to the existing evidence.

This study also has some limitations. First, disparities arose between the diagnoses recorded and the actual diseases a patient had. 46 In addition, HIRA data do not include clinical data; accordingly, the diagnostic standard criteria for AD, such as the Hanifin-Rajka criteria, 47 , 48 were infeasible. To comply with this issue, we included patients with AD who had at least 1 oral corticosteroid prescription and restricted prescriptions to patients with a diagnosis of AD. Second, due to the inbuilt characteristics of database recording drugs that are prescribed rather than drugs that are taken, the exposure measurement could be uncertain. However, we set the exposed group from the modest long term (>30 days) to the extensive long term (>90 days) and also included the numbers of cumulative or consecutive years of ever long-term use, from which the cumulative burden would be appropriately measured. Third, inhaled corticosteroids, which have some degree of systemic bioavailability, and topical and eye drop formulations of corticosteroids were not accounted for in this study. Fourth, for some of the individual study outcomes, we could not rule out the failure to detect the true effect due to the lack of statistical power; thus, future studies are warranted to corroborate these results. Fifth, due to the nature of the case-control design, it is not possible to completely exclude reverse causality. Sixth, although we considered moderate to severe AD using prescriptions of medication based on the treatment guideline, the influence of AD-related disease severity cannot be eliminated. Seventh, we addressed residual or unmeasured confounders by calculating E-values (eTables 16 and 17 in Supplement 1 ), but unmeasured confounders may be present, and the results should be interpreted with caution.

In this large population-based case-control study, we discovered that oral corticosteroid use of more than 90 days among individuals with AD was associated with a small increased risk of composite adverse outcomes. Future investigations are warranted to confirm this potential risk of AEs associated with long-term use of oral corticosteroids for patients with exacerbations of AD, and health care professionals should thoroughly weigh the benefits associated with oral corticosteroids against the observed small risk of AEs, while continuously monitoring for AEs.

Accepted for Publication: May 23, 2024.

Published: July 19, 2024. doi:10.1001/jamanetworkopen.2024.23563

Open Access: This is an open access article distributed under the terms of the CC-BY-NC-ND License . © 2024 Jang YH et al. JAMA Network Open .

Corresponding Authors: Ju-Young Shin, PhD, School of Pharmacy, Sungkyunkwan University, 2066 Saburo, Jangan-gu, Suwon, Gyeonggi-do 16419, South Korea ( [email protected] ); Yang Won Lee, MD, PhD, Department of Dermatology, Konkuk University School of Medicine, 120-1 Neungdong-ro, Gwangjin-gu, Seoul 05030, South Korea ( [email protected] ).

Author Contributions: Drs Shin and Y. W. Lee had full access to all of the data in the study and take responsibility for the integrity of the data and the accuracy of the data analysis. Drs Jang and Choi contributed equally to this work.

Concept and design: All authors.

Acquisition, analysis, or interpretation of data: H. Lee, Noh, Jeon, Yoo.

Drafting of the manuscript: Jang, Choi, Woo, Jeon, Yoo.

Critical review of the manuscript for important intellectual content: Jang, H. Lee, Woo, Park, Noh, Jeon, Yoo, Shin, Y. W. Lee.

Statistical analysis: Choi, H. Lee, Woo, Park.

Obtained funding: Jeon, Yoo, Shin.

Administrative, technical, or material support: Jeon, Yoo, Shin, Y. W. Lee.

Supervision: Jang, Shin.

Conflict of Interest Disclosures: Dr Park reported receiving support from the AIR@innoHK programme of the Government of Hong Kong Special Administrative Region Innovation and Technology Commission. Dr Noh reported receiving grants from the Ministry of Health and Welfare outside the submitted work. Drs Jeon and Yoo reported receiving personal fees from Pfizer Pharmaceuticals Korea Ltd outside the submitted work. Dr Shin reported receiving grants from the Ministry of Food and Drug Safety, the Ministry of Health and Welfare, the National Research Foundation of Korea, Celltrion, and SK Bioscience outside the submitted work. No other disclosures were reported.

Funding/Support: This work was supported by Pfizer Pharmaceuticals Korea Ltd.

Role of the Funder/Sponsor: Pfizer Pharmaceuticals Korea Ltd had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; and decision to submit the manuscript for publication.

Data Sharing Statement: See Supplement 2 .

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• ⏩ Healthcare
• ⏩ Machine Learning in Healthcare: Use Cases, Benefits & Success Stories

Machine Learning in Healthcare: Use Cases, Benefits & Success Stories

Key Takeaways

• Machine learning in healthcare leverages algorithms to analyze large datasets, enabling better decision-making and personalized care by identifying patterns and continuously learning from data.
• ML algorithms are subsets of AI that help medical providers quickly identify conditions and create accurate treatment plans.
• The global AI healthcare market is projected to grow from $26.69B in 2024 to $613.81B by 2034.
• Healthcare companies allocated 10.5% of their budgets to AI and ML in 2023, up from 5.5% in 2022, with 94% already using these technologies.
• By adopting ML for advanced data processing with Acropolium, our client increased analysis processing accuracy by 40% in their bioscience platform.

Artificial intelligence and machine learning in healthcare have become instrumental in clinical operations, drug discovery, patient care, and medical data management. These algorithms are designed to interact with vast amounts of information, segmenting and allocating insights for better decision-making.

By adopting cutting-edge technologies, medical institutions automate data processing, improve patient experiences, and ultimately bring operational efficiency to the next level. With 15 years of crafting unique healthcare software solutions , we have helped our clients reimagine their medical operations with advanced automated data-first systems.

In this article, we apply our knowledge, insights, and success stories from our 6-year AI/ML consulting and development journey, breaking down the disruptive applications of machine learning in healthcare.

What is ML in Healthcare?

Machine learning in healthcare uses algorithms and statistical models to analyze large medical datasets, enabling better decision-making and personalized care. As a subset of AI, these patterns identify patterns, make predictions, and continuously improve by learning from data.

Different learning types include supervised and unsupervised learning, finding applications in disease classification, and providing personalized treatment recommendations. Due to its wide variety of applications, ML stands among the top healthcare tech trends , along with AI, cloud computing , and robotics.

The pandemic era emphasized the disruptive role of AI and ML in medicine, aiding in the rapid detection and diagnosis of virus strains. AI algorithms analyze patient data to help providers swiftly identify conditions and develop accurate treatment plans. Therefore, the global AI in healthcare market is expected to grow from $26.69B in 2024 to $613.81B by 2034.

Benefits of ML in the Healthcare Industry

The algorithms of machine learning and medicine have been going hand in hand, where technological advancements translate to healthcare industry evolution. This, in turn, has brought tons of growth opportunities for medical businesses while delivering a new level of service to patients.

Morgan Stanley reports that healthcare companies are expected to allocate 10.5% of their budgets to AI and machine learning next year, up from 5.5% in 2022.

Let’s dive deeper into the advantages of machine learning in healthcare operations, both from the medical and business perspectives.

Advanced Disease Detection

ML algorithms are trained on vast datasets of medical images, lab results, and patient records to recognize patterns associated with specific diseases. For example, in radiology, ML models can analyze thousands of X-rays or MRIs to detect subtle anomalies, such as early-stage tumors, that the human eye may miss.

By using ML for healthcare, medical facilities improve their accuracy over time by continually learning from new data, leading to more reliable and earlier diagnoses.

Customized Patient Care

One of the most representational benefits of machine learning in healthcare is that it analyzes patient data, including genetic information, past treatments, and responses to medications. This way, the technology helps to identify patterns that correlate with specific outcomes.

In oncology, ML can predict how different patients with the same cancer type may respond to various treatments based on their unique profiles. This allows doctors to design highly personalized treatment plans, optimizing therapy effectiveness and minimizing side effects.

Customer relationship management (CRM)

CRM software consolidates data that allows you to improve the way you manage your interactions and relationships with existing and potential customers. It helps you find new leads, turn them into customers, and provide service that engenders loyalty.

Risk Prediction and Prevention

ML uses historical patient data to train predictive models that forecast future outcomes, such as the likelihood of disease progression or hospital readmission. Machine learning medical devices analyze variables like vital signs, lab results, and demographic data to predict risks while cooperating with EMR/EHR software .

For instance, in chronic diseases like heart failure, ML models can mark patients at higher risk for complications, allowing clinicians to intervene earlier with preventive measures, reducing hospital admissions, and improving patient care.

Accelerated Drug Development

From a drug development perspective, the impact of machine learning on healthcare is substantive. ML algorithms process massive datasets of chemical compounds, biological interactions, and patient data to identify potential new drugs and predict their effectiveness in treating specific diseases.

They simulate how different compounds interact with biological targets, accelerating the identification of promising drug candidates. This drastically reduces the time spent on trial-and-error experimentation in the lab, leading to faster drug discovery and development.

Streamlined Healthcare Operations

ML analyzes hospital operational data, including patient admission trends, staff schedules, and resource usage, to optimize workflows. Thus, ML models can predict patient inflow based on historical data, allowing hospitals to better manage staffing levels and reduce wait times.

In addition, ML can automate repetitive administrative tasks, such as billing and appointment scheduling, freeing up healthcare providers to focus on patient care. This helps to improve overall efficiency in healthcare delivery and optimize hospital management .

Improved Prescription Accuracy

By analyzing a patient’s medical history, including allergies, previous treatments, and potential drug interactions, ML systems help healthcare providers make more informed decisions. These systems flag potential errors, such as incorrect dosages or dangerous combinations of medications, before they are prescribed.

The use of machine learning in healthcare prescriptions accounts for variations in patient response based on genetic data, allowing for more tailored prescriptions. This reduces the risk of adverse reactions, minimizes human error in prescribing, and leads to better patient outcomes, ensuring safer and more effective treatments.

Use Cases and Applications of ML in Healthcare

While AI comprises many ML applications across industries globally, the modern applications of machine learning in healthcare impress with their effectiveness and wide adoption. In fact, 94% of healthcare companies already utilized AI or ML in 2023. Let’s take a look at some prominent examples.

Predictive Analytics for Patient Outcomes

ML enables predictive analytics by analyzing large datasets to forecast patient outcomes, such as hospital readmission rates or the onset of chronic diseases. For example, NantHealth uses predictive modeling to create patient profiles, identify those at risk of poor health, and offer personalized care plans​.

Personalized Medicine

ML healthcare models tailor treatment plans based on individual genetic and medical data. Arizona State University has developed ML models to predict immune responses to new drugs, enhancing personalized care by minimizing adverse drug reactions.

Drug Discovery and Development

By analyzing vast chemical libraries to predict interactions and efficacy, ML accelerates drug discovery. Many pharmaceutical companies like Pfizer and AstraZeneca have used AI to reduce drug development times, which is especially evident during the rapid development of COVID-19 vaccines.

AI-driven models help identify new therapeutic uses for existing drugs, significantly speeding up the research process.

Medical Imaging and Diagnostics

Image recognition capabilities stand among the most impressive machine learning use cases in healthcare. The technology enhances diagnostics by analyzing medical images for early detection of diseases like cancer. Foreseemed uses predictive models to analyze imaging data, identifying early signs of disease progression.

AI’s ability to process vast amounts of imaging data helps improve diagnostic accuracy and reduce human error.

Virtual Health Assistants and Chatbots

AI-driven chatbots provide 24/7 healthcare support, assisting patients with symptom checks and medication reminders. IBM Watson Health utilizes ML to power its virtual assistant, offering personalized advice based on patient interactions.

These tools improve patient engagement while reducing the burden on healthcare professionals.

Remote Patient Monitoring and Telehealth

Machine learning enhances remote patient monitoring and telehealth by processing real-time data from wearables and mobile applications to detect anomalies in patient health. It constantly monitors vital signs and other health metrics, alerting healthcare providers when intervention is needed.

This approach improves chronic disease management, reduces hospital readmissions, and offers proactive care, particularly for elderly and at-risk patients. Biofourmis leverages ML algorithms to analyze patient data from wearables and predict potential health issues before they become critical, offering personalized remote care and reducing hospital visits.

Genomic Research and Analysis

Analysis of genome sequences is one of the most impressive machine learning examples in healthcare. ML helps identify disease-linked mutations, guide personalized medicine, and accelerate drug discovery. The integration of ML helps understand complex biological interactions that would be difficult to detect manually.

Deep Genomics applies the technology to identify genetic mutations associated with various diseases and develop targeted therapies. Their platform uses predictive modeling to understand how genetic changes affect disease progression, supporting personalized treatment options.

Challenges and Solutions in Implementing ML in Healthcare

With all the potential benefits of machine learning in healthcare, it takes a thorough approach, expertise, and adoption readiness to reveal the full power of this technology. Here are the common challenges you should address with an experienced IT outsourcing vendor or web development partner.

Data Privacy and Security

Given that ML relies heavily on patient data, there are significant concerns about the misuse or unauthorized access to sensitive information. Healthcare cybersecurity is integral to ensuring compliance with HIPAA and GDPR regulations.

The solution involves deploying advanced encryption techniques, secure cloud architectures , and anonymization processes to protect patient data. Additionally, companies must maintain compliance by integrating robust governance frameworks and continuously monitoring data security practices.

Data Quality and Accessibility

Another challenge is the quality and accessibility of healthcare data. Clinical data is often fragmented across multiple systems, prone to errors, or inconsistent in format, making it difficult for ML models to produce reliable insights.

The solution to this challenge is standardizing and cleaning datasets before feeding them into your existing software. Also, adopting FHIR (Fast Healthcare Interoperability Resources) standards can help streamline data sharing across both multi-tenant and single-tenant platforms.

Integration with Existing Systems

Implementing ML in medicine requires integrating existing healthcare systems like Electronic Health Records (EHRs) and legacy infrastructure. Not only may it not always be compatible with new technologies, but it can also be costly and time-consuming, creating a significant barrier to ML adoption .

A possible solution is using APIs and middleware to enable smooth cooperation between traditional systems and new ML-powered solutions, allowing for a seamless transition.

Clinician and Patient Trust

Many healthcare professionals are skeptical about AI and ML, fearing that these technologies might replace human judgment or lead to inaccurate diagnoses. Patients may also be hesitant to embrace AI-powered tools, especially if they feel their care is becoming impersonal.

Building trust requires transparency in how ML healthcare models work, rigorous testing to ensure accuracy, and ongoing education for clinicians and patients.

Why choose Acropolium?

Acropolium is a trusted vendor with extensive experience delivering secure, GDPR-compliant software for the healthcare industry. With ISO-certified processes and expertise in serverless solutions, we consistently meet the industry’s highest data protection and reliability standards.

With a clear understanding of the role of machine learning in healthcare, our company continuously explores the technology’s capabilities to breathe success into our client’s projects.

Acropolium Case Studies

From low-code MVP s to comprehensive cloud-based medical systems, we have developed over 23 solutions that have helped our clients from the medical field grow. Here are some of the latest results our clients achieved by embracing machine learning in healthcare with us.

Blockchain-based EHR Software Development

Our client sought to enhance the security and transparency of electronic health records (EHR) using blockchain technology.

Acropolium developed a blockchain-based EHR system, integrating advanced encryption, smart contracts, and a decentralized data storage mechanism:

• A transformative blockchain-based EHR solution was developed under tight deadlines, achieving improved interoperability for seamless integration with existing healthcare systems.
• The enhanced UI/UX boosted adoption rates and user satisfaction while ensuring full compliance with HIPAA regulations.

Cloud-based Bioscience App Development

A bioscience company required a scalable cloud-based solution for big data processing and analysis.

Acropolium created a cloud-based application with AI and ML algorithms designed for processing vast amounts of bioscience data, featuring real-time analytics and a user-friendly interface:

• The project launch time was reduced by 30%, while analysis processing accuracy increased by 40%.
• With the help of well-trained ML healthcare algorithms, the processing time decreased by 38%.

Final Thoughts

Incorporating machine learning in healthcare has become crucial for enhancing clinical operations, drug discovery, patient care, and data management. This technology enables medical institutions to process vast amounts of data more efficiently, improving decision-making and patient experiences.

With 20 years of developing bespoke software for healthcare, e-commerce , hospitality , and many more industries, we strive to transform operations with advanced, data-driven solutions.

Whether you are already starting your AI/ML journey or want to enhance your systems, we offer flexible subscription-based development and consulting services with your budget and goals prioritized.

Now that you know how machine learning is used in healthcare, contact us today — let’s elevate your company’s operations with smart algorithms!

Sources of Information

• AI/ML in Healthcare Report & Forecast 2023 — Morgan Stanley
• Artificial Intelligence in Healthcare Market 2024 — Precedence Research

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What are the top ML use cases in healthcare?

Top healthcare use cases for machine learning include predictive analytics for patient outcomes, personalized medicine, medical imaging diagnostics, and drug discovery acceleration. From the business side, applications focus on hospital operational optimization to improve care delivery and reduce costs.

Can ML improve the drug discovery process?

ML in healthcare is used to accelerate drug discovery by analyzing massive datasets of chemical compounds and predicting interactions, toxicity, and efficacy. Ultimately, it reduces research time and speeds up the development of new medications.

How is ML used in medical imaging and diagnostics?

Ml in medicine and diagnostics enhances medical imaging by detecting patterns in X-rays, MRIs, and CT scans with higher accuracy than traditional methods. The advanced algorithms aid early diagnosis of diseases such as cancer, cardiovascular conditions, and neurological disorders.

How does ML enhance operational efficiency in healthcare facilities?

By employing machine learning in healthcare, medical businesses automate routine administrative tasks, predict patient inflows, and manage hospital resources more effectively. This way, your company can improve scheduling, inventory management, and patient triage workflow.

How can healthcare organizations start implementing ML technologies?

Medical organizations can start implementing machine learning in healthcare operations by assessing their data infrastructure, selecting high-impact use cases, and partnering with tech providers. A decent vendor will ensure regulatory compliance, gradually integrating AI tools into your clinical and operational workflows.

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Can algorithms Replace Expert Knowledge for Causal Inference? A Case Study on Novice Use of Causal Discovery

Affiliation.

• 1 Department of Epidemiology, Boston University School of Public Health, Boston, MA.
• PMID: 39218433
• DOI: 10.1093/aje/kwae338

Background: With growing interest in causal inference and machine learning among epidemiologists, there is increasing discussion of causal discovery algorithms for guiding covariate selection. We present a case study of novice application of causal discovery tools and attempt to validate the results against a well-established causal relationship.

Methods: As a case study, we attempted causal discovery of relationships relevant to the effect of adherence on mortality in the placebo arm of the Coronary Drug Project (CDP) dataset. We used four algorithms available as existing software implementations and varied several model inputs.

Results: We identified 15 adjustment sets from 17 model parameterizations. When applied to a baseline covariate adjustment analysis, these 15 adjustment sets returned effect estimates with similar magnitude and direction of bias as prior published results. When using methods to control for time-varying confounding, there was generally more residual bias than compared to expert-selected adjustment sets.

Conclusion: Although causal discovery algorithms can perform on par with expert knowledge, we do not recommend novice use of causal discovery without the input of experts in causal discovery. Expert support is recommended to aid in choosing the algorithm, selecting input parameters, assessing underlying assumptions, and finalizing selection of the adjustment variables.

Keywords: DAGs; causal discovery; causal inference; causal learning; directed acyclic graphs; machine learning.

© The Author(s) 2024. Published by Oxford University Press on behalf of the Johns Hopkins Bloomberg School of Public Health.

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AJ SPECIFICATION CASE STUDY

Case study: Fish Island by Henley Halebrown

4 September 2024

The scheme combines homes and workspace on the site of a former east London piano factory. Photography by David Grandorge and  Rory Gaylor

Fish Island forms phase one of a mixed-use scheme combining homes, workspace and higher education learning space on the site of the former John Broadwood & Sons piano factory on Fish Island in East London.

The first phase includes a residential building for 330 students, incubator workspace for graduates of the University of the Arts London and affordable workspace for the local creative community. The design arranges terraces of accommodation in 37 flats around two courts. The west court, which is for residents, is at first floor level above a plinth of dark spaces (plant, waste and cycle stores). The second, to the east, is a public yard and a focus for activity in the workspace building. The yard also establishes a new public pedestrian route through the urban block.  

The oblong plan creates a new triangular south-west-facing public space. The primary residential entrance is located here. Inside, the ground floor accommodates street-facing student communal spaces and incubator workspace.  

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Above ground, each typical floor accommodates seven flats. Bedrooms are distributed around the perimeter of the urban block, giving each resident a window onto the street, whereas communal kitchens and glazed circulation focus the social life on the courtyards they overlook. Simon Henley, principal, Henley Halebrown

Project data

Start on site April 2021 Completion September 2023 Gross internal floor area 11,810m 2 Gross external floor area 13,405m 2 Construction cost Undisclosed Architect Henley Halebrown Client Pre-planning: Future Generation; post-planning: CA Ventures Operator Novel Student Structural engineer Pre-planning: Meinhardt; post-planning: Whitby Wood M&E consultant Pre-planning: Elementa Consulting; post-planning: EDC Quantity surveyor Pre-planning: K2 Consultancy; post-planning: KS4 Project manager Post-planning: KS4 Principal designer Pre-planning: Collaton Safety; post-planning: Simply CDM Approved building inspector Post-planning: Clarke Banks Group Main contractor HG Construction

Architect’s choices

A robust and restrained material palette of brick, precast concrete sills, lintels, copings and coloured fenestration were selected in response to the character and heritage of the context.  

The brickwork is flush-pointed with mortar matching the N7 Vande Moortel brick. The brick was chosen for its relatively monolithic deep red-brown hue and rough texture. The precast concrete is pigmented to match the brickwork and the face sandblasted to subtly expose its aggregates.  

Velfac composite windows were chosen because they combine low-carbon timber sections with aluminium facings that are robust, recyclable and could be specified in pink, turquoise and ivory RAL colours. Craig Linnell, studio director, Henley Halebrown

Specification

Fish Island has a rich heritage of industrial architecture, a mix of warehouses and factories characterised by their logical and robust construction. More recently, many of these have been adopted by artists and adorned with graffiti.  

In response, we developed two types of elevation: those that face the street, which are representative of this industrial past; and the ones that line the courts, which are more abstract. The former type consolidates 330 bedroom windows into a grand order of brick piers and precast concrete arched beams. The fenestration assembly within typically consists of four doors (guarded with powder-coated mild steel railings) and four windows.  

Inside the courts, the heavier exteriors are replaced by a lattice of fine brick piers and equally fine precast beams, which bear on brick capitals at every storey. The east yard and workspace building is faced in a deep red-brown brick, the west court in a cream brick. The masonry grid is designed to receive three window assemblies: the corridor type with a fixed picture window and high-level actuated vent; the kitchen type 1 with a fixed window, side-hung vent panel and spandrel; and kitchen type 2, with a fixed and sliding full-height glazing guarded with powder-coated mild steel railings. Craig Linnell, studio director, Henley Halebrown

Selected products  

Bricks Vande Moortel Nature7, Brick E – Red brown, Brick J – Ivory White Walls vandemoortel.co.uk  

Mortar Cemex Matching and brushed, Red Brown Medium (red), Braintree Light (white) Walls cemex.co.uk

Windows Velfac RAL 3014 – Antique pink Street façades and east court elevations velfac.co.uk

Windows Velfac RAL 6034 – Pastel turquoise Workspace building and street façades velfac.co.uk  

Windows Velfac RAL 9010 – pure white West court elevations velfac.co.uk

Precast concrete beams and lintels FP McCann FPM189 – Red precast (bespoke), LIT12 – Ivory White precast Walls fpmccann.co.uk

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The relationship between three-dimensional spatial structure and co 2 emission of urban agglomerations based on cnn-rf modeling: a case study in east china.

1. Introduction

2. materials and methods, 2.1. study area, 2.3. quantification of urban three-dimensional spatial structure, 2.4. data preprocessing, 2.5. methodologies, 2.5.1. backpropagation neural network (bp), 2.5.2. random forest (rf), 2.5.3. convolutional neural network (cnn), 2.5.4. convolutional neural network–random forest (cnn-rf), 2.6. model evaluation, 2.7. model building, 3.1. relevant analysis, 3.2. variable analysis, 3.3. model analysis, 4. discussion, 4.1. comparative analysis of models, 4.2. impact of three-dimensional spatial structure on co 2 emissions, 5. conclusions, author contributions, institutional review board statement, informed consent statement, data availability statement, conflicts of interest.

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Share and Cite

Pan, B.; Dong, D.; Diao, Z.; Wang, Q.; Li, J.; Feng, S.; Du, J.; Li, J.; Wu, G. The Relationship Between Three-Dimensional Spatial Structure and CO 2 Emission of Urban Agglomerations Based on CNN-RF Modeling: A Case Study in East China. Sustainability 2024 , 16 , 7623. https://doi.org/10.3390/su16177623

Pan B, Dong D, Diao Z, Wang Q, Li J, Feng S, Du J, Li J, Wu G. The Relationship Between Three-Dimensional Spatial Structure and CO 2 Emission of Urban Agglomerations Based on CNN-RF Modeling: A Case Study in East China. Sustainability . 2024; 16(17):7623. https://doi.org/10.3390/su16177623

Pan, Banglong, Doudou Dong, Zhuo Diao, Qi Wang, Jiayi Li, Shaoru Feng, Juan Du, Jiulin Li, and Gen Wu. 2024. "The Relationship Between Three-Dimensional Spatial Structure and CO 2 Emission of Urban Agglomerations Based on CNN-RF Modeling: A Case Study in East China" Sustainability 16, no. 17: 7623. https://doi.org/10.3390/su16177623

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