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Pros and Cons of case studies

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• Post published: March 27, 2020
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Case studies are research methodologies that are used and analyzed in order to depict principles; they have been usually used in social sciences. They are research strategies and experiential inquiries that seek to examine various phenomena within a real-life context. Case studies seek to explain and give details in the analysis of people and events. There are several pros that back case studies and there are cons too that criticize them. The pros and cons are listed below.

1 . They show client observations- Since case studies are strategies that are used and analyzed in order to describe principles therefore it seeks to show indeed the client investigated and experienced a particular phenomenon.

2 . Makes practical improvements- Case studies present facts that categorically describe particular people or events in order to make some of the necessary improvements. Case studies data is what supports a particular belief.

3 . They are an influential way of portraying something- If a researcher wants to prove a particular principle to be true, he or she must back it by case studies in order to make the other people and the naysayers believe.

4 . They turn opinions into facts- Case studies present real data on a particular phenomenon. Since facts about various things are presented then it can be verified through this kind of data if the information presented is in the positive or negative development of opinion.

5 . It is relevant to all the parties that are involved- Case studies help the researchers in actively focusing on the data collection process and the participants’ knowledge is bettered. At the end of the process, everybody is able to defend his position through facts.

6 . A number of different research methodologies can be used in case the studies- Case study method goes beyond the interview and direct observations. Secondary data can be obtained from various historical sources that can be used to back the method.

7 . Case studies can be done remotely- It is not essential for a researcher to be present in the specific location of the study in order to effectively use the case study method. Other forms of communication come in to cover that gap for the researcher.

8 . It has a very high cost- If you put this research method in comparison to the others, this one seems more expensive because the cost of accessing data is very high.

9 . Readers can access data from this method very easily- The The format in which case studies present their data is very useful to the readers and easily note the outcomes of the same.

10 . Collects data that cannot be collected by another method- The type of data collected by case studies is much richer and greater in-depth than that of the other experimental methods.

1 . Data collected cannot be generalized- The data collected by the case study method was collected from a smaller population it cannot be generalized to the wider population.

2 . Some of the case studies are not scientific- The weakness of the data collected in some of the case studies that are not scientific is that it cannot be generalized.

3 . It is very difficult to draw a definite cause/effect from case studies- The the kind of data that case studies present cannot be used to draw a definite cause-effect relationship.

4 . Case studies concentrate on one experiment- The problem associated with concentrating on one experiment or a specific group of people is that the data presented might contain some kind of bias.

5 . It takes a lot of time to analyze the data- This process takes longer to analyze the data because there is a very large amount of data that must be collected. Participants might take a lot of time in giving answers or giving inaccurate information.

6 . Case studies can be inefficient processes- Sometimes the researchers are not present in the study areas which means they will not be able to notice whether the information provided is accurate or not terming the whole process inefficient.

7 . Case study method can only be effective with a small sample size- If a very large sample size is involved in the case study it is likely for it to become inefficient because the method requires a small sample size to get the data and analyze it.

8 . The method requires a lot of labor in data collection- The researcher is seriously needed in the data collection of this method. They have to be personally involved in order to be able to identify the quality of the data provided.

9 . There are factors that can influence the data- The method of data collection is meant to collect fact-based data but the power to determine what fact is and what is not is the person who is collecting the data.

10 . There is no right answer in case studies- Case studies do not present any specific answer that is right, the problem arises in the validation of solutions because there is more than one way of looking at things.

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10 Case Study Advantages and Disadvantages

Chris Drew (PhD)

Dr. Chris Drew is the founder of the Helpful Professor. He holds a PhD in education and has published over 20 articles in scholarly journals. He is the former editor of the Journal of Learning Development in Higher Education. [Image Descriptor: Photo of Chris]

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A case study in academic research is a detailed and in-depth examination of a specific instance or event, generally conducted through a qualitative approach to data.

The most common case study definition that I come across is is Robert K. Yin’s (2003, p. 13) quote provided below:

“An empirical inquiry that investigates a contemporary phenomenon within its real-life context, especially when the boundaries between phenomenon and context are not clearly evident.”

Researchers conduct case studies for a number of reasons, such as to explore complex phenomena within their real-life context, to look at a particularly interesting instance of a situation, or to dig deeper into something of interest identified in a wider-scale project.

While case studies render extremely interesting data, they have many limitations and are not suitable for all studies. One key limitation is that a case study’s findings are not usually generalizable to broader populations because one instance cannot be used to infer trends across populations.

Case Study Advantages and Disadvantages

1. in-depth analysis of complex phenomena.

Case study design allows researchers to delve deeply into intricate issues and situations.

By focusing on a specific instance or event, researchers can uncover nuanced details and layers of understanding that might be missed with other research methods, especially large-scale survey studies.

As Lee and Saunders (2017) argue,

“It allows that particular event to be studies in detail so that its unique qualities may be identified.”

This depth of analysis can provide rich insights into the underlying factors and dynamics of the studied phenomenon.

2. Holistic Understanding

Building on the above point, case studies can help us to understand a topic holistically and from multiple angles.

This means the researcher isn’t restricted to just examining a topic by using a pre-determined set of questions, as with questionnaires. Instead, researchers can use qualitative methods to delve into the many different angles, perspectives, and contextual factors related to the case study.

We can turn to Lee and Saunders (2017) again, who notes that case study researchers “develop a deep, holistic understanding of a particular phenomenon” with the intent of deeply understanding the phenomenon.

3. Examination of rare and Unusual Phenomena

We need to use case study methods when we stumble upon “rare and unusual” (Lee & Saunders, 2017) phenomena that would tend to be seen as mere outliers in population studies.

Take, for example, a child genius. A population study of all children of that child’s age would merely see this child as an outlier in the dataset, and this child may even be removed in order to predict overall trends.

So, to truly come to an understanding of this child and get insights into the environmental conditions that led to this child’s remarkable cognitive development, we need to do an in-depth study of this child specifically – so, we’d use a case study.

4. Helps Reveal the Experiences of Marginalzied Groups

Just as rare and unsual cases can be overlooked in population studies, so too can the experiences, beliefs, and perspectives of marginalized groups.

As Lee and Saunders (2017) argue, “case studies are also extremely useful in helping the expression of the voices of people whose interests are often ignored.”

Take, for example, the experiences of minority populations as they navigate healthcare systems. This was for many years a “hidden” phenomenon, not examined by researchers. It took case study designs to truly reveal this phenomenon, which helped to raise practitioners’ awareness of the importance of cultural sensitivity in medicine.

5. Ideal in Situations where Researchers cannot Control the Variables

Experimental designs – where a study takes place in a lab or controlled environment – are excellent for determining cause and effect . But not all studies can take place in controlled environments (Tetnowski, 2015).

When we’re out in the field doing observational studies or similar fieldwork, we don’t have the freedom to isolate dependent and independent variables. We need to use alternate methods.

Case studies are ideal in such situations.

A case study design will allow researchers to deeply immerse themselves in a setting (potentially combining it with methods such as ethnography or researcher observation) in order to see how phenomena take place in real-life settings.

6. Supports the generation of new theories or hypotheses

While large-scale quantitative studies such as cross-sectional designs and population surveys are excellent at testing theories and hypotheses on a large scale, they need a hypothesis to start off with!

This is where case studies – in the form of grounded research – come in. Often, a case study doesn’t start with a hypothesis. Instead, it ends with a hypothesis based upon the findings within a singular setting.

The deep analysis allows for hypotheses to emerge, which can then be taken to larger-scale studies in order to conduct further, more generalizable, testing of the hypothesis or theory.

7. Reveals the Unexpected

When a largescale quantitative research project has a clear hypothesis that it will test, it often becomes very rigid and has tunnel-vision on just exploring the hypothesis.

Of course, a structured scientific examination of the effects of specific interventions targeted at specific variables is extermely valuable.

But narrowly-focused studies often fail to shine a spotlight on unexpected and emergent data. Here, case studies come in very useful. Oftentimes, researchers set their eyes on a phenomenon and, when examining it closely with case studies, identify data and come to conclusions that are unprecedented, unforeseen, and outright surprising.

As Lars Meier (2009, p. 975) marvels, “where else can we become a part of foreign social worlds and have the chance to become aware of the unexpected?”

Disadvantages

1. not usually generalizable.

Case studies are not generalizable because they tend not to look at a broad enough corpus of data to be able to infer that there is a trend across a population.

As Yang (2022) argues, “by definition, case studies can make no claims to be typical.”

Case studies focus on one specific instance of a phenomenon. They explore the context, nuances, and situational factors that have come to bear on the case study. This is really useful for bringing to light important, new, and surprising information, as I’ve already covered.

But , it’s not often useful for generating data that has validity beyond the specific case study being examined.

2. Subjectivity in interpretation

Case studies usually (but not always) use qualitative data which helps to get deep into a topic and explain it in human terms, finding insights unattainable by quantitative data.

But qualitative data in case studies relies heavily on researcher interpretation. While researchers can be trained and work hard to focus on minimizing subjectivity (through methods like triangulation), it often emerges – some might argue it’s innevitable in qualitative studies.

So, a criticism of case studies could be that they’re more prone to subjectivity – and researchers need to take strides to address this in their studies.

3. Difficulty in replicating results

Case study research is often non-replicable because the study takes place in complex real-world settings where variables are not controlled.

So, when returning to a setting to re-do or attempt to replicate a study, we often find that the variables have changed to such an extent that replication is difficult. Furthermore, new researchers (with new subjective eyes) may catch things that the other readers overlooked.

Replication is even harder when researchers attempt to replicate a case study design in a new setting or with different participants.

Comprehension Quiz for Students

Question 1: What benefit do case studies offer when exploring the experiences of marginalized groups?

a) They provide generalizable data. b) They help express the voices of often-ignored individuals. c) They control all variables for the study. d) They always start with a clear hypothesis.

Question 2: Why might case studies be considered ideal for situations where researchers cannot control all variables?

a) They provide a structured scientific examination. b) They allow for generalizability across populations. c) They focus on one specific instance of a phenomenon. d) They allow for deep immersion in real-life settings.

Question 3: What is a primary disadvantage of case studies in terms of data applicability?

a) They always focus on the unexpected. b) They are not usually generalizable. c) They support the generation of new theories. d) They provide a holistic understanding.

Question 4: Why might case studies be considered more prone to subjectivity?

a) They always use quantitative data. b) They heavily rely on researcher interpretation, especially with qualitative data. c) They are always replicable. d) They look at a broad corpus of data.

Question 5: In what situations are experimental designs, such as those conducted in labs, most valuable?

a) When there’s a need to study rare and unusual phenomena. b) When a holistic understanding is required. c) When determining cause-and-effect relationships. d) When the study focuses on marginalized groups.

Question 6: Why is replication challenging in case study research?

a) Because they always use qualitative data. b) Because they tend to focus on a broad corpus of data. c) Due to the changing variables in complex real-world settings. d) Because they always start with a hypothesis.

Lee, B., & Saunders, M. N. K. (2017). Conducting Case Study Research for Business and Management Students. SAGE Publications.

Meir, L. (2009). Feasting on the Benefits of Case Study Research. In Mills, A. J., Wiebe, E., & Durepos, G. (Eds.). Encyclopedia of Case Study Research (Vol. 2). London: SAGE Publications.

Tetnowski, J. (2015). Qualitative case study research design.  Perspectives on fluency and fluency disorders ,  25 (1), 39-45. ( Source )

Yang, S. L. (2022). The War on Corruption in China: Local Reform and Innovation . Taylor & Francis.

Yin, R. (2003). Case Study research. Thousand Oaks, CA: Sage.

• Chris Drew (PhD) https://helpfulprofessor.com/author/chris-drew-phd-2/ 10 Reasons you’re Perpetually Single
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EducationalWave

Pros and Cons of Case Studies Psychology

Case studies in psychology offer a detailed look at individual behaviors and experiences, revealing unique insights but posing challenges. They allow deep exploration of complex cases, providing rich understanding of rare phenomena . However, focusing on specific cases may limit generalizability and introduce potential for bias. Despite these limitations, case studies complement broader research methods and can generate hypotheses for further studies. Understanding the pros and cons of case studies in psychology can enhance research and therapeutic interventions.

Table of Contents

• Provide in-depth insights into individual behavior and experiences.
• Contribute to advancing psychological knowledge.
• Challenges in generalizing findings beyond specific cases.
• Potential for researcher and participant bias.
• Complement other research methods for holistic understanding.

Advantages of Case Studies

One of the primary advantages of case studies in psychology is their ability to provide in-depth, detailed insights into individual behavior and experiences. By focusing on a single individual or a small group, case studies allow researchers to deeply explore the unique circumstances and complexities of a particular case.

This level of detail is often not possible in larger-scale research methods, such as surveys or experiments, where individual variations may be overlooked.

Case studies also offer the opportunity to investigate rare or unusual phenomena that may not be easily studied through other research approaches. This can lead to the discovery of new theories or the validation of existing ones, contributing to the advancement of psychological knowledge.

Additionally, case studies can provide a more holistic understanding of complex behaviors or psychological disorders by considering multiple factors in a single case.

In-Depth Exploration of Individuals

The examination of individuals in psychology allows for a thorough analysis of their behaviors, thoughts, and emotions.

By conducting a detailed individual analysis, psychologists can gain rich personal insights that contribute to a comprehensive understanding of an individual's behavioral patterns.

This in-depth exploration provides a holistic view of the complexities that shape an individual's psychological makeup.

Detailed Individual Analysis

A thorough examination of the intricate layers of an individual's psyche reveals profound insights into their behaviors and thought processes. Through detailed individual analysis in psychology, researchers dive deep into the complexities of a person's mind to understand the underlying factors that drive their actions. This method involves thorough observation, interviews, and sometimes even psychological testing to gather extensive data about an individual's cognitive processes, emotions, and behaviors.

• Holistic Perspective: Provides a complete view of the individual's psychological makeup.
• Identification of Patterns: Helps in recognizing recurring themes or behaviors that may offer valuable insights.
• Understanding Triggers: Uncovers the specific stimuli or events that lead to certain reactions.
• Personalized Interventions: Enables the development of tailored psychological interventions based on the individual's unique characteristics.

Detailed individual analysis offers a rich source of information that contributes significantly to the field of psychology by offering a nuanced understanding of human behavior and cognition.

Rich Personal Insights

Through in-depth exploration of individuals, psychology uncovers rich personal insights that illuminate the intricacies of human behavior and cognition. By delving deeply into the lives, experiences, and thought processes of individuals, psychologists gain a profound understanding of the factors shaping behavior and mental processes.

Case studies offer a unique opportunity to observe and analyze the complexities of human nature in a real-world context, providing valuable insights that may not be captured through other research methods.

One of the key advantages of this approach is the ability to uncover unique patterns , motivations, and influences that contribute to an individual's behavior. These rich personal insights allow psychologists to develop a more nuanced understanding of how external and internal factors interact to shape an individual's thoughts, emotions, and actions.

Comprehensive Behavioral Understanding

By conducting in-depth exploration of individuals, psychologists aim to achieve a profound understanding of human behavior and cognition. This extensive behavioral understanding involves delving into the intricacies of an individual's thoughts, emotions, motivations, and actions to gain insight into the underlying factors that drive behavior.

Through in-depth case studies, psychologists can uncover patterns, triggers, and influences that contribute to a person's psychological makeup and decision-making processes.

• Identification of Root Causes : Case studies allow psychologists to identify the root causes of behaviors by examining the individual's past experiences, traumas, and environmental factors.
• Personalized Interventions : By understanding the unique aspects of an individual's behavior, psychologists can tailor interventions and treatments that are specifically suited to address their needs.
• Enhanced Empathy and Connection : Extensive behavioral understanding fosters empathy and connection between psychologists and their clients, promoting a more effective therapeutic relationship.
• Contribution to Psychological Knowledge : Through detailed case studies, psychologists contribute valuable insights to the broader field of psychology, advancing understanding of human behavior and cognition.

Limited Generalizability

Generalizability in case studies in psychology is often constrained by the unique and specific nature of individual cases . Unlike large-scale studies that aim for broad generalizability across populations, case studies explore deeply into the intricate details of a single individual or a small group .

This focused approach, while valuable for understanding the nuances of a particular case, limits the extent to which findings can be applied to a wider population. The idiosyncrasies of each case study subject, including their personal history, circumstances, and characteristics, make it challenging to extrapolate the results to the broader population.

This limitation is particularly evident in clinical psychology , where patients seeking treatment may have complex and individualized experiences that do not represent the typical response or behavior of the general population. While case studies offer rich insights into the complexities of human behavior and individual experiences, researchers and practitioners must exercise caution when attempting to generalize findings beyond the specific case under investigation.

Balancing the depth of understanding gained from case studies with the limited generalizability is a critical consideration in psychological research and practice.

Unique Insights Into Rare Phenomena

Exploring rare phenomena in psychology offers valuable opportunities to gain in-depth understanding that may not be possible through broader studies. By focusing on unique cases, researchers can uncover insights that provide a deeper understanding of complex psychological conditions or behaviors.

However, it is essential to acknowledge the limited generalizability of findings from these rare cases to the larger population.

Rare Phenomena Exploration

An examination of rare phenomena in psychology offers valuable and distinctive insights into the complexities of human behavior. These unique occurrences provide psychologists with a rare opportunity to explore further into understanding the intricacies of the human mind and its behavior.

When investigating rare phenomena, researchers can uncover hidden aspects of psychological processes that may not be observable in more common situations. This exploration can lead to groundbreaking discoveries and advancements in psychological knowledge.

• Uncover underlying mechanisms : Rare phenomena allow researchers to unveil the underlying mechanisms that govern human behavior, shedding light on the intricacies of cognitive processes.
• Challenge existing theories : Studying rare phenomena can challenge established psychological theories and offer new perspectives on human behavior.
• Inform therapeutic interventions : Insights gained from exploration of rare phenomena can inform the development of more effective therapeutic interventions for individuals facing similar challenges.
• Expand the boundaries of knowledge : Exploring rare phenomena pushes the limits of psychological knowledge, leading to a deeper understanding of human behavior and cognition.

In-depth Understanding Opportunities

Uncommon occurrences in psychology offer unparalleled opportunities for gaining in-depth understanding and unique insights into the complexities of human behavior. By focusing on rare cases or unusual events, researchers can delve deeply into the intricacies of individual experiences , behaviors, and mental processes that may not be easily observable in more common situations.

These unique cases offer a chance to explore the underlying factors contributing to specific behaviors or psychological conditions, providing a rich source of information that can inform theory development and therapeutic interventions.

Studying rare phenomena allows researchers to uncover hidden patterns , causal relationships , and potential mechanisms that may not be apparent in larger, more generalized studies. The detailed examination of these exceptional cases can lead to the discovery of novel perspectives and alternative explanations that challenge existing theories or shed light on previously unexplored aspects of human psychology.

Additionally, the insights gained from studying rare phenomena can have practical implications for clinical practice, offering new approaches to assessment, diagnosis, and treatment strategies for individuals with similar presentations.

Limited Generalizability Consideration

The examination of unique phenomena in psychology presents a challenge in considering the limited generalizability of findings to broader populations. When delving into rare occurrences, researchers must navigate the complexities of applying these insights to larger groups.

In the context of case studies, the following points highlight the considerations regarding limited generalizability:

• Small Sample Size: Case studies often involve a small number of participants, making it challenging to extend findings to the broader population.
• Unique Individual Factors: Each case study participant may possess unique characteristics or experiences that limit the applicability of findings to others.
• Context-Specific Dynamics: The specific circumstances surrounding a rare phenomenon may not be easily replicable or generalized to different settings.
• Potential Bias: Researchers and participants in case studies may introduce biases that affect the transferability of results to a wider population.

Navigating the tension between the richness of insights gained from unique cases and the limited generalizability to broader populations remains a critical consideration in psychological research.

Potential for Bias

In psychological case studies, the potential for bias must be carefully considered and managed to guarantee the integrity of the research findings. Bias can arise from various sources, such as researcher bias , participant bias , and even the inherent biases of the case study method itself.

Researcher bias occurs when the investigator's preconceived notions or beliefs influence the interpretation of data or the selection of information to include in the study. This can lead to skewed results that do not accurately reflect the reality of the case.

Participant bias is another significant concern, where participants may alter their behavior or responses based on what they believe the researcher wants to hear, impacting the validity of the findings.

Additionally, the qualitative nature of case studies can introduce inherent biases, as the interpretation of data is subjective and open to individual researcher perspectives.

To mitigate bias in case studies, researchers should employ rigorous methodologies, maintain transparency in data collection and analysis, consider alternative explanations for findings, and utilize triangulation by incorporating multiple data sources or researchers.

Complement to Other Research Methods

Given the potential for bias in psychological case studies, it is imperative to recognize how this research method can serve as a valuable complement to other research methods in the field. While case studies have their limitations, they offer unique advantages that can enhance the overall understanding of complex psychological phenomena when used in conjunction with other research methods.

Here are some ways in which case studies can complement other research approaches:

• In-depth exploration : Case studies allow for a detailed examination of individual cases, providing rich insights that may not be captured through quantitative methods alone.
• Hypothesis generation : They can help generate hypotheses for further research by highlighting patterns or relationships that warrant investigation on a larger scale.
• Real-world application : Case studies offer a bridge between theory and practical application, showcasing how psychological principles manifest in real-life settings.
• Thorough understanding : By incorporating varied sources of data, including interviews, observations, and archival records, case studies can offer a thorough understanding of complex phenomena.

Frequently Asked Questions

Can case studies be used to study large populations?.

Case studies are not typically used to study large populations due to their focus on in-depth examination of individual cases. They are more suited for exploring complex phenomena in detail rather than generalizing findings to broader populations.

Are There Ethical Concerns With Case Study Research?

Ethical concerns in case study research revolve around issues like informed consent, confidentiality, and potential harm to participants. Researchers must prioritize ethical guidelines to protect the rights and well-being of those involved in the study.

How Do Researchers Ensure the Objectivity of Case Studies?

Researchers guarantee objectivity in case studies by using rigorous data collection methods, maintaining transparency, employing multiple investigators for data analysis, and conducting member checks to verify findings. These practices help minimize bias and enhance the credibility of results.

What Are the Limitations of Using Case Studies in Psychology?

The limitations of utilizing case studies in psychology include issues related to generalizability, sample size, and potential researcher bias. While offering in-depth insights, they may not always be representative of broader populations or provide causal conclusions.

Can Findings From Case Studies Be Applied to Real-World Situations?

Findings from case studies can offer valuable insights into real-world situations. While individual cases provide in-depth understanding, generalizability may be limited. Applying findings cautiously, considering context and potential biases, can enhance their relevance in practical settings.

To sum up, case studies in psychology offer a valuable opportunity to explore individuals in depth and provide unique insights into rare phenomena. However, their limited generalizability and potential for bias must be carefully considered.

When used in conjunction with other research methods, case studies can complement and enhance our understanding of complex psychological phenomena.

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Educational Wave Team

Home » Pros and Cons » 12 Case Study Method Advantages and Disadvantages

12 Case Study Method Advantages and Disadvantages

A case study is an investigation into an individual circumstance. The investigation may be of a single person, business, event, or group. The investigation involves collecting in-depth data about the individual entity through the use of several collection methods. Interviews and observation are two of the most common forms of data collection used.

The case study method was originally developed in the field of clinical medicine. It has expanded since to other industries to examine key results, either positive or negative, that were received through a specific set of decisions. This allows for the topic to be researched with great detail, allowing others to glean knowledge from the information presented.

Here are the advantages and disadvantages of using the case study method.

List of the Advantages of the Case Study Method

1. it turns client observations into useable data..

Case studies offer verifiable data from direct observations of the individual entity involved. These observations provide information about input processes. It can show the path taken which led to specific results being generated. Those observations make it possible for others, in similar circumstances, to potentially replicate the results discovered by the case study method.

2. It turns opinion into fact.

Case studies provide facts to study because you’re looking at data which was generated in real-time. It is a way for researchers to turn their opinions into information that can be verified as fact because there is a proven path of positive or negative development. Singling out a specific incident also provides in-depth details about the path of development, which gives it extra credibility to the outside observer.

3. It is relevant to all parties involved.

Case studies that are chosen well will be relevant to everyone who is participating in the process. Because there is such a high level of relevance involved, researchers are able to stay actively engaged in the data collection process. Participants are able to further their knowledge growth because there is interest in the outcome of the case study. Most importantly, the case study method essentially forces people to make a decision about the question being studied, then defend their position through the use of facts.

4. It uses a number of different research methodologies.

The case study method involves more than just interviews and direct observation. Case histories from a records database can be used with this method. Questionnaires can be distributed to participants in the entity being studies. Individuals who have kept diaries and journals about the entity being studied can be included. Even certain experimental tasks, such as a memory test, can be part of this research process.

5. It can be done remotely.

Researchers do not need to be present at a specific location or facility to utilize the case study method. Research can be obtained over the phone, through email, and other forms of remote communication. Even interviews can be conducted over the phone. That means this method is good for formative research that is exploratory in nature, even if it must be completed from a remote location.

6. It is inexpensive.

Compared to other methods of research, the case study method is rather inexpensive. The costs associated with this method involve accessing data, which can often be done for free. Even when there are in-person interviews or other on-site duties involved, the costs of reviewing the data are minimal.

7. It is very accessible to readers.

The case study method puts data into a usable format for those who read the data and note its outcome. Although there may be perspectives of the researcher included in the outcome, the goal of this method is to help the reader be able to identify specific concepts to which they also relate. That allows them to discover unusual features within the data, examine outliers that may be present, or draw conclusions from their own experiences.

List of the Disadvantages of the Case Study Method

1. it can have influence factors within the data..

Every person has their own unconscious bias. Although the case study method is designed to limit the influence of this bias by collecting fact-based data, it is the collector of the data who gets to define what is a “fact” and what is not. That means the real-time data being collected may be based on the results the researcher wants to see from the entity instead. By controlling how facts are collected, a research can control the results this method generates.

2. It takes longer to analyze the data.

The information collection process through the case study method takes much longer to collect than other research options. That is because there is an enormous amount of data which must be sifted through. It’s not just the researchers who can influence the outcome in this type of research method. Participants can also influence outcomes by given inaccurate or incomplete answers to questions they are asked. Researchers must verify the information presented to ensure its accuracy, and that takes time to complete.

3. It can be an inefficient process.

Case study methods require the participation of the individuals or entities involved for it to be a successful process. That means the skills of the researcher will help to determine the quality of information that is being received. Some participants may be quiet, unwilling to answer even basic questions about what is being studied. Others may be overly talkative, exploring tangents which have nothing to do with the case study at all. If researchers are unsure of how to manage this process, then incomplete data is often collected.

4. It requires a small sample size to be effective.

The case study method requires a small sample size for it to yield an effective amount of data to be analyzed. If there are different demographics involved with the entity, or there are different needs which must be examined, then the case study method becomes very inefficient.

5. It is a labor-intensive method of data collection.

The case study method requires researchers to have a high level of language skills to be successful with data collection. Researchers must be personally involved in every aspect of collecting the data as well. From reviewing files or entries personally to conducting personal interviews, the concepts and themes of this process are heavily reliant on the amount of work each researcher is willing to put into things.

These case study method advantages and disadvantages offer a look at the effectiveness of this research option. With the right skill set, it can be used as an effective tool to gather rich, detailed information about specific entities. Without the right skill set, the case study method becomes inefficient and inaccurate.

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Methodology

• 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.

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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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What are the benefits and drawbacks of case study research?

Posted by Mark Murphy | May 24, 2014 | Method , Research Students | 0

There should be no doubt that with case studies what you gain in depth you lose in breadth – this is the unavoidable compromise that needs to be understood from the beginning of the research process. So this is neither an advantage nor a disadvantage as one aspect cancels out the benefits/drawbacks of the other – there are other benefits and drawbacks that need attention however …

• Their flexibility: case studies are popular for a number of reasons, one being that they can be conducted at various points in the research process. Researchers are known to favour them as a way to develop ideas for more extensive research in the future – pilot studies often take the form of case studies. They are also effective conduits for a broad range of research methods; in that sense they are non-prejudicial against any particular type of research – focus groups are just as welcome in case study research as are questionnaires or participant observation.
• Capturing reality: One of their key benefits is their ability to capture what Hodkinson and Hodkinson call ‘lived reality’ (2001: 3). As they put it, case studies have the potential, when applied successfully, to ‘retain more of the “noise” of real life than many other types of research’ (Hodkinson and Hodkinson, 2001: 3). The importance of ‘noise’ and its place in research is especially important in contexts such as education, for example in schools where background noise is unavoidable. Educational contexts are always complex, and as a result it is difficult to exclude other unwanted variables, ‘some of which may only have real significance for one of their students’ (Hodkinson and Hodkinson, 2001, 4).
• The challenge of generality: At the same time, given their specificity, care needs to be taken when attempting to generalise from the findings. While there’s no inherent flaw in case study design that precludes its broader application, it is preferable that researchers choose their case study sites carefully, while also basing their analysis within existing research findings that have been generated via other research designs. No design is infallible but so often has the claim against case studies been made, that some of the criticism (unwarranted and unfair in many cases) has stuck.
• Suspicion of amateurism: Less partisan researchers might wonder whether the case study offers the time and finance-strapped researcher a convenient and pragmatic source of data, providing findings and recommendations that, given the nature of case studies, can neither be confirmed nor denied, in terms of utility or veracity. Who is to say that case studies offer anything more than a story to tell, and nothing more than that?
• But alongside this suspicion is another more insiduous one – a notion that ‘stories’ are not what social science research is about. This can be a concern for those who favour  case study research, as the political consequences can be hard to ignore. That said, so much research is based either on peoples’ lives or the impact of other issues (poverty, institutional policy) on their lives, so the stories of what actually occurs in their lives or in professional environments tend to be an invaluable source of evidence. The fact is that stories (individual, collective, institutional) have a vital role to play in the world of research. And to play the specific v. general card against case study design suggests a tendency towards forms of research fundamentalism as opposed to any kind of rational and objective take on case study’s strengths and limitations.
• Preciousness: Having said that, researchers should not fall into the trap (surprising how often this happens) of assuming that case study data speaks for itself – rarely is this ever the case, an assumption that is as patronising to research subjects as it is false. The role of the researcher is both to describe social phenomena and also to explain – i.e., interpret. Without interpretation the research findings lack meaningful presentation – they present themselves as fact when of course the reality of ‘facts’ is one of the reasons why such research is carried out.
• Conflation of political/research objectives: Another trap that case study researchers sometimes fall into is presenting research findings as if they were self-evidently true, as if the stories were beyond criticism. This is often accompanied by a vague attachment to the notion that research is a political process – one that is performed as a form of liberation against for example policies that seek to ignore the stories of those who ‘suffer’ at the hands of overbearing political or economic imperatives. Case study design should not be viewed as a mechanism for providing a ‘local’ bulwark against the ‘global’ – bur rather as a mechanism for checking the veracity of universalist claims (at least one of its objectives). The valorisation of particularism can only get you so far in social research.

[This post is adapted from material in ‘Research and Education’ (Curtis, Murphy and Shields , Routledge 2014), pp. 80-82].

Reference: Hodkinson, P. and H. Hodkinson (2001). The strengths and limitations of case study research. Paper presented to the Learning and Skills Development Agency conference, Making an impact on policy and practice , Cambridge, 5-7 December 2001, downloaded from h ttp://education.exeter.ac.uk/tlc/docs/publications/LE_PH_PUB_05.12.01.rtf.26.01.2013

About The Author

Mark Murphy

Mark Murphy is a Reader in Education and Public Policy at the University of Glasgow. He previously worked as an academic at King’s College, London, University of Chester, University of Stirling, National University of Ireland, Maynooth, University College Dublin and Northern Illinois University. Mark is an active researcher in the fields of education and public policy. His research interests include educational sociology, critical theory, accountability in higher education, and public sector reform.

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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."

The Advantages and Limitations of Single Case Study Analysis

As Andrew Bennett and Colin Elman have recently noted, qualitative research methods presently enjoy “an almost unprecedented popularity and vitality… in the international relations sub-field”, such that they are now “indisputably prominent, if not pre-eminent” (2010: 499). This is, they suggest, due in no small part to the considerable advantages that case study methods in particular have to offer in studying the “complex and relatively unstructured and infrequent phenomena that lie at the heart of the subfield” (Bennett and Elman, 2007: 171). Using selected examples from within the International Relations literature[1], this paper aims to provide a brief overview of the main principles and distinctive advantages and limitations of single case study analysis. Divided into three inter-related sections, the paper therefore begins by first identifying the underlying principles that serve to constitute the case study as a particular research strategy, noting the somewhat contested nature of the approach in ontological, epistemological, and methodological terms. The second part then looks to the principal single case study types and their associated advantages, including those from within the recent ‘third generation’ of qualitative International Relations (IR) research. The final section of the paper then discusses the most commonly articulated limitations of single case studies; while accepting their susceptibility to criticism, it is however suggested that such weaknesses are somewhat exaggerated. The paper concludes that single case study analysis has a great deal to offer as a means of both understanding and explaining contemporary international relations.

The term ‘case study’, John Gerring has suggested, is “a definitional morass… Evidently, researchers have many different things in mind when they talk about case study research” (2006a: 17). It is possible, however, to distil some of the more commonly-agreed principles. One of the most prominent advocates of case study research, Robert Yin (2009: 14) defines it as “an empirical enquiry that investigates a contemporary phenomenon in depth and within its real-life context, especially when the boundaries between phenomenon and context are not clearly evident”. What this definition usefully captures is that case studies are intended – unlike more superficial and generalising methods – to provide a level of detail and understanding, similar to the ethnographer Clifford Geertz’s (1973) notion of ‘thick description’, that allows for the thorough analysis of the complex and particularistic nature of distinct phenomena. Another frequently cited proponent of the approach, Robert Stake, notes that as a form of research the case study “is defined by interest in an individual case, not by the methods of inquiry used”, and that “the object of study is a specific, unique, bounded system” (2008: 443, 445). As such, three key points can be derived from this – respectively concerning issues of ontology, epistemology, and methodology – that are central to the principles of single case study research.

First, the vital notion of ‘boundedness’ when it comes to the particular unit of analysis means that defining principles should incorporate both the synchronic (spatial) and diachronic (temporal) elements of any so-called ‘case’. As Gerring puts it, a case study should be “an intensive study of a single unit… a spatially bounded phenomenon – e.g. a nation-state, revolution, political party, election, or person – observed at a single point in time or over some delimited period of time” (2004: 342). It is important to note, however, that – whereas Gerring refers to a single unit of analysis – it may be that attention also necessarily be given to particular sub-units. This points to the important difference between what Yin refers to as an ‘holistic’ case design, with a single unit of analysis, and an ’embedded’ case design with multiple units of analysis (Yin, 2009: 50-52). The former, for example, would examine only the overall nature of an international organization, whereas the latter would also look to specific departments, programmes, or policies etc.

Secondly, as Tim May notes of the case study approach, “even the most fervent advocates acknowledge that the term has entered into understandings with little specification or discussion of purpose and process” (2011: 220). One of the principal reasons for this, he argues, is the relationship between the use of case studies in social research and the differing epistemological traditions – positivist, interpretivist, and others – within which it has been utilised. Philosophy of science concerns are obviously a complex issue, and beyond the scope of much of this paper. That said, the issue of how it is that we know what we know – of whether or not a single independent reality exists of which we as researchers can seek to provide explanation – does lead us to an important distinction to be made between so-called idiographic and nomothetic case studies (Gerring, 2006b). The former refers to those which purport to explain only a single case, are concerned with particularisation, and hence are typically (although not exclusively) associated with more interpretivist approaches. The latter are those focused studies that reflect upon a larger population and are more concerned with generalisation, as is often so with more positivist approaches[2]. The importance of this distinction, and its relation to the advantages and limitations of single case study analysis, is returned to below.

Thirdly, in methodological terms, given that the case study has often been seen as more of an interpretivist and idiographic tool, it has also been associated with a distinctly qualitative approach (Bryman, 2009: 67-68). However, as Yin notes, case studies can – like all forms of social science research – be exploratory, descriptive, and/or explanatory in nature. It is “a common misconception”, he notes, “that the various research methods should be arrayed hierarchically… many social scientists still deeply believe that case studies are only appropriate for the exploratory phase of an investigation” (Yin, 2009: 6). If case studies can reliably perform any or all three of these roles – and given that their in-depth approach may also require multiple sources of data and the within-case triangulation of methods – then it becomes readily apparent that they should not be limited to only one research paradigm. Exploratory and descriptive studies usually tend toward the qualitative and inductive, whereas explanatory studies are more often quantitative and deductive (David and Sutton, 2011: 165-166). As such, the association of case study analysis with a qualitative approach is a “methodological affinity, not a definitional requirement” (Gerring, 2006a: 36). It is perhaps better to think of case studies as transparadigmatic; it is mistaken to assume single case study analysis to adhere exclusively to a qualitative methodology (or an interpretivist epistemology) even if it – or rather, practitioners of it – may be so inclined. By extension, this also implies that single case study analysis therefore remains an option for a multitude of IR theories and issue areas; it is how this can be put to researchers’ advantage that is the subject of the next section.

Having elucidated the defining principles of the single case study approach, the paper now turns to an overview of its main benefits. As noted above, a lack of consensus still exists within the wider social science literature on the principles and purposes – and by extension the advantages and limitations – of case study research. Given that this paper is directed towards the particular sub-field of International Relations, it suggests Bennett and Elman’s (2010) more discipline-specific understanding of contemporary case study methods as an analytical framework. It begins however, by discussing Harry Eckstein’s seminal (1975) contribution to the potential advantages of the case study approach within the wider social sciences.

Eckstein proposed a taxonomy which usefully identified what he considered to be the five most relevant types of case study. Firstly were so-called configurative-idiographic studies, distinctly interpretivist in orientation and predicated on the assumption that “one cannot attain prediction and control in the natural science sense, but only understanding ( verstehen )… subjective values and modes of cognition are crucial” (1975: 132). Eckstein’s own sceptical view was that any interpreter ‘simply’ considers a body of observations that are not self-explanatory and “without hard rules of interpretation, may discern in them any number of patterns that are more or less equally plausible” (1975: 134). Those of a more post-modernist bent, of course – sharing an “incredulity towards meta-narratives”, in Lyotard’s (1994: xxiv) evocative phrase – would instead suggest that this more free-form approach actually be advantageous in delving into the subtleties and particularities of individual cases.

Eckstein’s four other types of case study, meanwhile, promote a more nomothetic (and positivist) usage. As described, disciplined-configurative studies were essentially about the use of pre-existing general theories, with a case acting “passively, in the main, as a receptacle for putting theories to work” (Eckstein, 1975: 136). As opposed to the opportunity this presented primarily for theory application, Eckstein identified heuristic case studies as explicit theoretical stimulants – thus having instead the intended advantage of theory-building. So-called p lausibility probes entailed preliminary attempts to determine whether initial hypotheses should be considered sound enough to warrant more rigorous and extensive testing. Finally, and perhaps most notably, Eckstein then outlined the idea of crucial case studies , within which he also included the idea of ‘most-likely’ and ‘least-likely’ cases; the essential characteristic of crucial cases being their specific theory-testing function.

Whilst Eckstein’s was an early contribution to refining the case study approach, Yin’s (2009: 47-52) more recent delineation of possible single case designs similarly assigns them roles in the applying, testing, or building of theory, as well as in the study of unique cases[3]. As a subset of the latter, however, Jack Levy (2008) notes that the advantages of idiographic cases are actually twofold. Firstly, as inductive/descriptive cases – akin to Eckstein’s configurative-idiographic cases – whereby they are highly descriptive, lacking in an explicit theoretical framework and therefore taking the form of “total history”. Secondly, they can operate as theory-guided case studies, but ones that seek only to explain or interpret a single historical episode rather than generalise beyond the case. Not only does this therefore incorporate ‘single-outcome’ studies concerned with establishing causal inference (Gerring, 2006b), it also provides room for the more postmodern approaches within IR theory, such as discourse analysis, that may have developed a distinct methodology but do not seek traditional social scientific forms of explanation.

Applying specifically to the state of the field in contemporary IR, Bennett and Elman identify a ‘third generation’ of mainstream qualitative scholars – rooted in a pragmatic scientific realist epistemology and advocating a pluralistic approach to methodology – that have, over the last fifteen years, “revised or added to essentially every aspect of traditional case study research methods” (2010: 502). They identify ‘process tracing’ as having emerged from this as a central method of within-case analysis. As Bennett and Checkel observe, this carries the advantage of offering a methodologically rigorous “analysis of evidence on processes, sequences, and conjunctures of events within a case, for the purposes of either developing or testing hypotheses about causal mechanisms that might causally explain the case” (2012: 10).

Harnessing various methods, process tracing may entail the inductive use of evidence from within a case to develop explanatory hypotheses, and deductive examination of the observable implications of hypothesised causal mechanisms to test their explanatory capability[4]. It involves providing not only a coherent explanation of the key sequential steps in a hypothesised process, but also sensitivity to alternative explanations as well as potential biases in the available evidence (Bennett and Elman 2010: 503-504). John Owen (1994), for example, demonstrates the advantages of process tracing in analysing whether the causal factors underpinning democratic peace theory are – as liberalism suggests – not epiphenomenal, but variously normative, institutional, or some given combination of the two or other unexplained mechanism inherent to liberal states. Within-case process tracing has also been identified as advantageous in addressing the complexity of path-dependent explanations and critical junctures – as for example with the development of political regime types – and their constituent elements of causal possibility, contingency, closure, and constraint (Bennett and Elman, 2006b).

Bennett and Elman (2010: 505-506) also identify the advantages of single case studies that are implicitly comparative: deviant, most-likely, least-likely, and crucial cases. Of these, so-called deviant cases are those whose outcome does not fit with prior theoretical expectations or wider empirical patterns – again, the use of inductive process tracing has the advantage of potentially generating new hypotheses from these, either particular to that individual case or potentially generalisable to a broader population. A classic example here is that of post-independence India as an outlier to the standard modernisation theory of democratisation, which holds that higher levels of socio-economic development are typically required for the transition to, and consolidation of, democratic rule (Lipset, 1959; Diamond, 1992). Absent these factors, MacMillan’s single case study analysis (2008) suggests the particularistic importance of the British colonial heritage, the ideology and leadership of the Indian National Congress, and the size and heterogeneity of the federal state.

Most-likely cases, as per Eckstein above, are those in which a theory is to be considered likely to provide a good explanation if it is to have any application at all, whereas least-likely cases are ‘tough test’ ones in which the posited theory is unlikely to provide good explanation (Bennett and Elman, 2010: 505). Levy (2008) neatly refers to the inferential logic of the least-likely case as the ‘Sinatra inference’ – if a theory can make it here, it can make it anywhere. Conversely, if a theory cannot pass a most-likely case, it is seriously impugned. Single case analysis can therefore be valuable for the testing of theoretical propositions, provided that predictions are relatively precise and measurement error is low (Levy, 2008: 12-13). As Gerring rightly observes of this potential for falsification:

“a positivist orientation toward the work of social science militates toward a greater appreciation of the case study format, not a denigration of that format, as is usually supposed” (Gerring, 2007: 247, emphasis added).

In summary, the various forms of single case study analysis can – through the application of multiple qualitative and/or quantitative research methods – provide a nuanced, empirically-rich, holistic account of specific phenomena. This may be particularly appropriate for those phenomena that are simply less amenable to more superficial measures and tests (or indeed any substantive form of quantification) as well as those for which our reasons for understanding and/or explaining them are irreducibly subjective – as, for example, with many of the normative and ethical issues associated with the practice of international relations. From various epistemological and analytical standpoints, single case study analysis can incorporate both idiographic sui generis cases and, where the potential for generalisation may exist, nomothetic case studies suitable for the testing and building of causal hypotheses. Finally, it should not be ignored that a signal advantage of the case study – with particular relevance to international relations – also exists at a more practical rather than theoretical level. This is, as Eckstein noted, “that it is economical for all resources: money, manpower, time, effort… especially important, of course, if studies are inherently costly, as they are if units are complex collective individuals ” (1975: 149-150, emphasis added).

Limitations

Single case study analysis has, however, been subject to a number of criticisms, the most common of which concern the inter-related issues of methodological rigour, researcher subjectivity, and external validity. With regard to the first point, the prototypical view here is that of Zeev Maoz (2002: 164-165), who suggests that “the use of the case study absolves the author from any kind of methodological considerations. Case studies have become in many cases a synonym for freeform research where anything goes”. The absence of systematic procedures for case study research is something that Yin (2009: 14-15) sees as traditionally the greatest concern due to a relative absence of methodological guidelines. As the previous section suggests, this critique seems somewhat unfair; many contemporary case study practitioners – and representing various strands of IR theory – have increasingly sought to clarify and develop their methodological techniques and epistemological grounding (Bennett and Elman, 2010: 499-500).

A second issue, again also incorporating issues of construct validity, concerns that of the reliability and replicability of various forms of single case study analysis. This is usually tied to a broader critique of qualitative research methods as a whole. However, whereas the latter obviously tend toward an explicitly-acknowledged interpretive basis for meanings, reasons, and understandings:

“quantitative measures appear objective, but only so long as we don’t ask questions about where and how the data were produced… pure objectivity is not a meaningful concept if the goal is to measure intangibles [as] these concepts only exist because we can interpret them” (Berg and Lune, 2010: 340).

The question of researcher subjectivity is a valid one, and it may be intended only as a methodological critique of what are obviously less formalised and researcher-independent methods (Verschuren, 2003). Owen (1994) and Layne’s (1994) contradictory process tracing results of interdemocratic war-avoidance during the Anglo-American crisis of 1861 to 1863 – from liberal and realist standpoints respectively – are a useful example. However, it does also rest on certain assumptions that can raise deeper and potentially irreconcilable ontological and epistemological issues. There are, regardless, plenty such as Bent Flyvbjerg (2006: 237) who suggest that the case study contains no greater bias toward verification than other methods of inquiry, and that “on the contrary, experience indicates that the case study contains a greater bias toward falsification of preconceived notions than toward verification”.

The third and arguably most prominent critique of single case study analysis is the issue of external validity or generalisability. How is it that one case can reliably offer anything beyond the particular? “We always do better (or, in the extreme, no worse) with more observation as the basis of our generalization”, as King et al write; “in all social science research and all prediction, it is important that we be as explicit as possible about the degree of uncertainty that accompanies out prediction” (1994: 212). This is an unavoidably valid criticism. It may be that theories which pass a single crucial case study test, for example, require rare antecedent conditions and therefore actually have little explanatory range. These conditions may emerge more clearly, as Van Evera (1997: 51-54) notes, from large-N studies in which cases that lack them present themselves as outliers exhibiting a theory’s cause but without its predicted outcome. As with the case of Indian democratisation above, it would logically be preferable to conduct large-N analysis beforehand to identify that state’s non-representative nature in relation to the broader population.

There are, however, three important qualifiers to the argument about generalisation that deserve particular mention here. The first is that with regard to an idiographic single-outcome case study, as Eckstein notes, the criticism is “mitigated by the fact that its capability to do so [is] never claimed by its exponents; in fact it is often explicitly repudiated” (1975: 134). Criticism of generalisability is of little relevance when the intention is one of particularisation. A second qualifier relates to the difference between statistical and analytical generalisation; single case studies are clearly less appropriate for the former but arguably retain significant utility for the latter – the difference also between explanatory and exploratory, or theory-testing and theory-building, as discussed above. As Gerring puts it, “theory confirmation/disconfirmation is not the case study’s strong suit” (2004: 350). A third qualification relates to the issue of case selection. As Seawright and Gerring (2008) note, the generalisability of case studies can be increased by the strategic selection of cases. Representative or random samples may not be the most appropriate, given that they may not provide the richest insight (or indeed, that a random and unknown deviant case may appear). Instead, and properly used , atypical or extreme cases “often reveal more information because they activate more actors… and more basic mechanisms in the situation studied” (Flyvbjerg, 2006). Of course, this also points to the very serious limitation, as hinted at with the case of India above, that poor case selection may alternatively lead to overgeneralisation and/or grievous misunderstandings of the relationship between variables or processes (Bennett and Elman, 2006a: 460-463).

As Tim May (2011: 226) notes, “the goal for many proponents of case studies […] is to overcome dichotomies between generalizing and particularizing, quantitative and qualitative, deductive and inductive techniques”. Research aims should drive methodological choices, rather than narrow and dogmatic preconceived approaches. As demonstrated above, there are various advantages to both idiographic and nomothetic single case study analyses – notably the empirically-rich, context-specific, holistic accounts that they have to offer, and their contribution to theory-building and, to a lesser extent, that of theory-testing. Furthermore, while they do possess clear limitations, any research method involves necessary trade-offs; the inherent weaknesses of any one method, however, can potentially be offset by situating them within a broader, pluralistic mixed-method research strategy. Whether or not single case studies are used in this fashion, they clearly have a great deal to offer.

References 

Bennett, A. and Checkel, J. T. (2012) ‘Process Tracing: From Philosophical Roots to Best Practice’, Simons Papers in Security and Development, No. 21/2012, School for International Studies, Simon Fraser University: Vancouver.

Bennett, A. and Elman, C. (2006a) ‘Qualitative Research: Recent Developments in Case Study Methods’, Annual Review of Political Science , 9, 455-476.

Bennett, A. and Elman, C. (2006b) ‘Complex Causal Relations and Case Study Methods: The Example of Path Dependence’, Political Analysis , 14, 3, 250-267.

Bennett, A. and Elman, C. (2007) ‘Case Study Methods in the International Relations Subfield’, Comparative Political Studies , 40, 2, 170-195.

Bennett, A. and Elman, C. (2010) Case Study Methods. In C. Reus-Smit and D. Snidal (eds) The Oxford Handbook of International Relations . Oxford University Press: Oxford. Ch. 29.

Berg, B. and Lune, H. (2012) Qualitative Research Methods for the Social Sciences . Pearson: London.

Bryman, A. (2012) Social Research Methods . Oxford University Press: Oxford.

David, M. and Sutton, C. D. (2011) Social Research: An Introduction . SAGE Publications Ltd: London.

Diamond, J. (1992) ‘Economic development and democracy reconsidered’, American Behavioral Scientist , 35, 4/5, 450-499.

Eckstein, H. (1975) Case Study and Theory in Political Science. In R. Gomm, M. Hammersley, and P. Foster (eds) Case Study Method . SAGE Publications Ltd: London.

Flyvbjerg, B. (2006) ‘Five Misunderstandings About Case-Study Research’, Qualitative Inquiry , 12, 2, 219-245.

Geertz, C. (1973) The Interpretation of Cultures: Selected Essays by Clifford Geertz . Basic Books Inc: New York.

Gerring, J. (2004) ‘What is a Case Study and What Is It Good for?’, American Political Science Review , 98, 2, 341-354.

Gerring, J. (2006a) Case Study Research: Principles and Practices . Cambridge University Press: Cambridge.

Gerring, J. (2006b) ‘Single-Outcome Studies: A Methodological Primer’, International Sociology , 21, 5, 707-734.

Gerring, J. (2007) ‘Is There a (Viable) Crucial-Case Method?’, Comparative Political Studies , 40, 3, 231-253.

King, G., Keohane, R. O. and Verba, S. (1994) Designing Social Inquiry: Scientific Inference in Qualitative Research . Princeton University Press: Chichester.

Layne, C. (1994) ‘Kant or Cant: The Myth of the Democratic Peace’, International Security , 19, 2, 5-49.

Levy, J. S. (2008) ‘Case Studies: Types, Designs, and Logics of Inference’, Conflict Management and Peace Science , 25, 1-18.

Lipset, S. M. (1959) ‘Some Social Requisites of Democracy: Economic Development and Political Legitimacy’, The American Political Science Review , 53, 1, 69-105.

Lyotard, J-F. (1984) The Postmodern Condition: A Report on Knowledge . University of Minnesota Press: Minneapolis.

MacMillan, A. (2008) ‘Deviant Democratization in India’, Democratization , 15, 4, 733-749.

Maoz, Z. (2002) Case study methodology in international studies: from storytelling to hypothesis testing. In F. P. Harvey and M. Brecher (eds) Evaluating Methodology in International Studies . University of Michigan Press: Ann Arbor.

May, T. (2011) Social Research: Issues, Methods and Process . Open University Press: Maidenhead.

Owen, J. M. (1994) ‘How Liberalism Produces Democratic Peace’, International Security , 19, 2, 87-125.

Seawright, J. and Gerring, J. (2008) ‘Case Selection Techniques in Case Study Research: A Menu of Qualitative and Quantitative Options’, Political Research Quarterly , 61, 2, 294-308.

Stake, R. E. (2008) Qualitative Case Studies. In N. K. Denzin and Y. S. Lincoln (eds) Strategies of Qualitative Inquiry . Sage Publications: Los Angeles. Ch. 17.

Van Evera, S. (1997) Guide to Methods for Students of Political Science . Cornell University Press: Ithaca.

Verschuren, P. J. M. (2003) ‘Case study as a research strategy: some ambiguities and opportunities’, International Journal of Social Research Methodology , 6, 2, 121-139.

Yin, R. K. (2009) Case Study Research: Design and Methods . SAGE Publications Ltd: London.

[1] The paper follows convention by differentiating between ‘International Relations’ as the academic discipline and ‘international relations’ as the subject of study.

[2] There is some similarity here with Stake’s (2008: 445-447) notion of intrinsic cases, those undertaken for a better understanding of the particular case, and instrumental ones that provide insight for the purposes of a wider external interest.

[3] These may be unique in the idiographic sense, or in nomothetic terms as an exception to the generalising suppositions of either probabilistic or deterministic theories (as per deviant cases, below).

[4] Although there are “philosophical hurdles to mount”, according to Bennett and Checkel, there exists no a priori reason as to why process tracing (as typically grounded in scientific realism) is fundamentally incompatible with various strands of positivism or interpretivism (2012: 18-19). By extension, it can therefore be incorporated by a range of contemporary mainstream IR theories.

— Written by: Ben Willis Written at: University of Plymouth Written for: David Brockington Date written: January 2013

Further Reading on E-International Relations

• Identity in International Conflicts: A Case Study of the Cuban Missile Crisis
• Imperialism’s Legacy in the Study of Contemporary Politics: The Case of Hegemonic Stability Theory
• Recreating a Nation’s Identity Through Symbolism: A Chinese Case Study
• Ontological Insecurity: A Case Study on Israeli-Palestinian Conflict in Jerusalem
• Terrorists or Freedom Fighters: A Case Study of ETA
• A Critical Assessment of Eco-Marxism: A Ghanaian Case Study

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Strengths and Weaknesses of Case Studies

There is no doubt that case studies are a valuable and important form of research for all of the industries and fields that use them. However, along with all their advantages, they also have some disadvantages. In this article we are going to look at both.

Advantages of Case Studies

Intensive Study

Case study method is responsible for intensive study of a unit. It is the investigation and exploration of an event thoroughly and deeply. You get a very detailed and in-depth study of a person or event. This is especially the case with subjects that cannot be physically or ethically recreated.

This is one of the biggest advantages of the Genie case. You cannot lock up a child for 13 years and deprive them of everything. That would be morally and ethically wrong in every single way. So when the opportunity presented itself, researchers could not look away. It was a once in a lifetime opportunity to learn about feral children.

Genie was a feral child. She was raised in completed isolation, with little human contact. Because of the abuse she withstood, she was unable to develop cognitively. From infancy she was strapped to a potty chair, and therefore never acquired the physicality needed for walking, running and jumping.

If Genie made a noise, her father beat her. Therefore, she learned to not make a noise. Once she was found, researchers studied her language skills, and attempted to find ways to get her to communicate. They were successful. While she never gained the ability to speak, she did develop other ways to communicate. However, the public soon lost interest in her case, and with that, the funds to conduct the study.

However, her case was extremely important to child development psychology and linguistic theory. Because of her, we know that mental stimulation is needed for proper development. We also now know that there is a "critical period" for the learning of language.

Developing New Research

Case studies are one of the best ways to stimulate new research. A case study can be completed, and if the findings are valuable, they can lead to new and advanced research in the field. There has been a great deal of research done that wouldn't have been possible without case studies.

An example of this is the sociological study Nickel and Dimed. Nickel and Dimed is a book and study done by Barbara Ehrenreich. She wanted to study poverty in America, and did so by living and working as a person living on minimum wage.

Through her experiment, she discovered that poverty was almost inescapable. As soon as she saved a little money, she was hit with a crisis. She might get sick, or her car might break down, all occurrences that can be destructive when a person doesn't have a safety net to fall back on.

It didn't matter where she lived or what she did. Working a minimum wage job gave her no chances for advancement or improvement whatsoever. And she did the experiment as a woman with no children to support.

This study opened a lot of eyes to the problem of the working poor in America. By living and working as the experiment, Ehrenreich was able to show first-hand data regarding the issues surrounding poverty. The book didn't end with any solutions, just suggestions for the reader and points for them to think about.

Using this case study information, new studies could be organized to learn better ways to help people who are fighting poverty, or better ways to help the working poor.

Contradicting Established Ideas or Theories

Oftentimes there are theories that may be questioned with case studies. For example, in the John/John case study, it was believed that gender and sexual identity were a construct of nurture, not nature.

John-John focused on a set of twin boys, both of whom were circumcised at the age of 6 months. One of the twin's circumcisions failed, causing irreparable damage to the penis. His parents were concerned about the sexual health of their son, so they contacted Dr. John Money for a solution.

Dr. Money believed that sexuality came from nurture, not nature, and that the injured baby, Bruce, could be raised as a girl. His penis was removed and he was sexually reassigned to become a girl. Bruce's name was changed to Brenda, and his parents decided to raise him as a girl.

In this case, Dr. Money was dishonest. He believed that gender could be changed, which has since been proven false. Brenda's parents were also dishonest, stating that the surgery was a success, when in fact that wasn't the case.

As Brenda grew up, she always acted masculine and was teased for it at school. She did not socialize as a girl, and did not identify as a female. When Brenda was 13 she learned the truth, and was incredibly relieved. She changed her name to David, and lived the rest of her life as a male.

This case proved that the general theory was wrong, and is still valuable, even though the study author was dishonest.

Giving New Insight

Case studies have the ability to give insight into phenomena that cannot be learned in any other way. An example of this is the case study about Sidney Bradford. Bradford was blind from the age of 10 months old, and regained his sight at the age of 52 from a corneal transplant.

This unique situation allowed researchers to better learn how perception and motion changes when suddenly given sight. They were able to better understand how colors and dimensions affect the human process. For what it is worth, Bradford continued to live and work with his eyes closed, as he found sight too stimulating.

Another famous study was the sociological study of Milgram.

Stanley Milgram did a study from 1960 to 1974 in which he studied the effects of social pressure. The study was set up as an independent laboratory. A random person would walk in, and agree to be a part of the study. He was told to act as a teacher, and ask questions to another volunteer, who was the learner.

The teacher would ask the learner questions, and whenever he answered incorrectly, the teacher was instructed to give the learner an electric shock. Each time the learner was wrong, the shock would be increased by 15 volts. What the teacher didn't know was that the learner was a part of the experiment, and that no shocks were being given. However, the learner did act as if they were being shocked.

If the teachers tried to quit, they were strongly pushed to continue. The goal of the experiment was to see whether or not any of the teachers would go up to the highest voltage. As it turned out, 65% of the teachers did.

This study opened eyes when it comes to social pressure. If someone tells you it is okay to hurt someone, at what point will the person back off and say "this is not ok!" And in this study, the results were the same, regardless of income, race, gender or ethnicity.

This study opened up the sociological world of understanding the divide between social pressure and morality.

Disadvantages of Case Studies

Inability to Replicate

As demonstrated with the Genie case study, many studies cannot be replicated, and therefore, cannot be corroborated. Because the studies cannot be replicated, it means the data and results are only valid for that one person. Now, one could infer that that results of the Genie study would be the same with other feral children, without additional studies we can never be 100% certain.

Also, Genie was a white, American female. We do not know whether someone with a different gender, race or ethnicity would have a different result.

Key Term! Hawthorne Effect

The effect in which people change their behavior when they are aware they are being observed.

Researcher Bias

When conducting a case study, it is very possible for the author to form a bias. This bias can be for the subject; the form of data collection, or the way the data is interpreted. This is very common, since it is normal for humans to be subjective. It is well known that Sigmund Freud, the father of psychology, was often biased in his case histories and interpretations.

The researcher can become close to a study participant, or may learn to identify with the subject. When this happens the researcher loses their perspective as an outsider.

No Classification

Any classification is not possible due to studying a small unit. This generalization of results is limited, since the study is only focusing on one small group. However, this isn't always a problem, especially if generalization is not one of the study's goals.

Time Intensive

Case studies can be very time consuming. The data collection process can be very intensive and long, and this is something new researchers are not familiar with. It takes a long period of time to develop a case study, and develop a detailed analysis.

Many studies also require the authors to immerse themselves in the case. For example, in the Genie case, the lead researchers spent an abnormal amount of time with Genie, since so few people knew how to handle her. David Rigler, one of the lead researchers, actually had Genie live with him and his family for years. Because of this attachment, many questioned the veracity of the study data.

Possibility of Errors

Case study method may have errors of memory or judgment. Since reconstructing case history is based on memory, this can lead to errors. Also, how one person perceived the past could be different for another person, and this can and does lead to errors.

When considering various aspects of their lives, people tend to focus on issues that they find most important. This allows them to form a prejudice and can make them unaware of other possible options.

Ethical Issues

With small studies, there is always the question of ethics. At what point does a study become unethical? The Genie case was riddled with accusations of being unethical, and people still debate about it today.

Was it ethical to study Genie as deeply as she was studied?

Did Genie deserve to live out her life unbothered by researchers and academics trying to use her case to potentially further their careers?

At what point does the pursuit of scientific knowledge outweigh the right to a life free from research?

Also, because the researchers became so invested in the study, people questioned whether a researcher would report unethical behavior if they witnessed it.

Advantages and Disadvantages in Real-Life Studies

Two of these case studies are the Tylenol Scandal and the Genie language study.

Let's look at the advantages and disadvantages of these two studies.

Genie – Advantages

Uniqueness of study – Being able to study a feral child is a rare occurrence.

Genie – Disadvantages

Ethics - The lead researcher David Rigler provided a home for Genie, and was paid for being a foster parent. This is often seen as unethical, since Rigler had a financial interest in Genie and her case.

Tylenol – Advantages

Uniqueness of study – What happened to Tylenol was very unique and rare. While companies face crisis all the time, a public health crisis of this magnitude is very unique.

Tylenol – Disadvantages

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The Pros and Cons of Case Studies

Developing Case Studies for Product Managers

When Sequent delivers workshops, they tend to draw upon a lot of personal observation, insight, and experience, and we encourage others to do the same. Part of this body of knowledge will include case studies of what other companies have successfully (or not so successfully) achieved.

However, we tend not to overly rely upon using formal case studies to guide our teaching because we believe there are some significant shortcomings in taking this approach.

The First Issue

First, formal case studies often lack the essential insights of what was actually going on inside the company in question. Case studies that include unbiased critical analysis are usually written from the outside looking in without the benefit of a true internal perspective of the situation. These observations, by the way, maybe no more or less valid than your own.

Meanwhile, those case studies that are written from an internal point of view have more than likely been thoroughly sanitized through company legal departments, corporate communications groups, and sometimes even public relations firms. Yes, there is something to be learned from these types of reports, as long as their content is put into its proper context.

The Second Issue

The second issue with formal case studies is that they are often used to represent either the “right way” or the “wrong way” of doing things. Although it may be tempting to apply such a clear definition, doing so will almost certainly force you to ignore the nearly infinite number of unique inputs and circumstances that surrounded any given situation; all of which helped contribute to the final outcome.

Repeating any given case under ever so slightly different conditions may yield dramatically different results. Since it is unrealistic to understand all of those intricacies, it is also equally unrealistic to use case studies as definitive roadmaps for future success or failure.

The final concern with an over-reliance on formal case studies is that doing so may encourage imitation rather than inspiration – and that is not an advisable place to be.  You may recall taking classes in college where works of art and literature were analyzed to the nth degree. And while this made for some interesting discussion, the focus seemed to be placed more on understanding how somebody else did something rather than encouraging people to think up new ways of doing things on their own.

Presenting the “case” without the formal “study” may just inspire people to apply their own observations and insights rather than leaning on someone else’s analysis.

This, in turn, should lead to the creation of unique works of business art that other people will be writing cases studies about someday!

None of this is to say that formal case studies should be completely ignored – only that they should not be overly relied upon. When case studies are put into the category of foundational learning, they can be extremely effective tools. But when these studies are used as an absolute framework for what should or should not be done in any given situation, you may just find that your own intuition and observations will serve as a far better guide.

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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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Home | The Mind Blog | Pros and Cons of Case Studies

Pros and Cons of Case Studies

Case studies can be one of the most powerful B2B marketing tools out there. They can inform potential customers how your existing customers achieved success with your products or services. They can also help generate leads for your business. But as with everything, there are some benefits and potential drawbacks to case studies. Here are some pros and cons of case studies:

3 Pros of Case Studies

Here’s why case studies can be a positive exercise for your business:

1. They Are Inexpensive

Comparatively, case studies are less expensive than other methods of research. Costs that commonly come along with doing a case study are accessing data, which is most often free, and the time to put it together. Even if in-person interviews are conducted, costs are minimal. This is an easy way for you to gather data without spending a lot of money.

2. Case Studies Can Be Done Remotely

Another pro to conducting case studies is that they can be done remotely. This way, you can gather a variety of data from a wide base much more easily. Research can be done via email, through a survey conducted online, or even over social media.

You can even conduct interviews remotely, over the phone or video chat. This is helpful for many companies whose customers are not located in one general area. It also gives you a much broader range of data to pull from.

3. They Can Turn Opinions Into Facts

Case studies provide you with data in real time. Researchers are able to take their opinions and turn them into verifiable data. They’re able to do this because there are conclusive negative or positive outcomes.

The New Rules of Marketing and PR: How to Use Social Media and Viral Marketing to Reach Buyers Directly by David Scott is an excellent book on marketing that has real-life case study examples.

Researchers also can single out a specific event and gather specific details about the process. This provides extra credibility to any outside observer. Using these facts through case studies in your marketing strategy is one of the most powerful ways to use social proof on your website .

3 Cons of Case Studies

Of course, there are some potential drawbacks to case studies.

1. They Can Take Longer to Analyze

The process by which data is collected for case studies can take a little bit longer than other research methods. Case studies often have a large amount of data and it simply takes a long time to sift through.

Because case studies often rely on information from participants, it can take a long time. Participants may not fully answer a question or may skip entire portions of a survey or questionnaire. Researchers have to verify the information so results are accurate. This process can take a long time.

2. Case Studies Can Be Inefficient

There are a lot of moving parts to case studies. Case studies require the participation of researchers and interviewees. It can also be difficult to efficiently gather data from participants. Some people may not give in-depth enough answers or will struggle to understand questions.

Researchers may need to intervene if participants talk too much or go on too many tangents during in-person interviews. They will need to steer the conversation in the right direction without being overbearing. If researchers aren’t sure how to do these tasks, incorrect data may be collected.

At the same time, it’s important for case studies to be on the right topic. Just as the wrong topic is one of the webinar mistakes to avoid, the same is true for case studies or any other marketing efforts you’re doing. It needs to be relevant to your target audience. In the context of case studies, they need to show benefits and results potential customers in your target audience will care about.

3. They’re Labor-Intensive

Case studies require researchers who have a good grasp of several skills, including language, personal, analysis, etc. skills, in order to collect data. These researchers must also be involved in every aspect of collecting data. Reading files, conducting interviews, and compiling surveys can be a very intense job. It’s important to have a solid team to balance the load so no one becomes too overwhelmed.

These are just a few pros and cons of case studies. Running case studies helps showcase results to potential customers and provides some evidence to back up the authority and trustworthiness of your business. They can also help inform your marketing strategy, giving you a much clearer plan. For help with your website design, development, and marketing, contact us today for a meeting of the MINDs!

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Pros and Cons of Case Studies for Conducting In-Depth Analysis

When thinking of a case study definition, it's like delving into a unique story - it could be about a person, a business, an event, or even a group. Through various methods like interviews and observation, we gather detailed data about this specific entity.

Originally rooted in clinical medicine, different types of case studies have spread their wings across different fields. They help us dissect pivotal outcomes, whether good or bad, resulting from specific decisions. This depth of exploration allows others to tap into the knowledge offered.

Yet, as with most things, there's a balancing act involved. Just like any other aspect of life, there are upsides and downsides to this method. So, let's take a closer look, weigh them out, and determine if it's the right fit for your academic research.

Analyzes Complex Phenomena

Case studies let us dive into complicated situations, giving us a deep understanding that other research methods might miss. Instead of just skimming the surface, we focus on a single scenario, digging into all its different parts. We look at everything—how people act, what's happening around them, and how organizations play into it all.

This thorough approach helps us spot patterns, figure out why things happen the way they do, and uncover what's really going on beneath the surface. With case studies, we don't just scratch the surface; we peel back the layers, getting to the heart of the matter. By doing so, we gain valuable insights that help us make smarter decisions and develop new ideas in our field.

Grasps Whole Picture

Case studies have another advantage: they paint a complete picture of whatever we're studying. Unlike more focused methods, they let us see how different factors connect in real life. By looking at the whole story, researchers can understand everything at play—the environment, society, culture, and history all wrapped up in one.

This broad view helps us grasp the complexity and subtleties of the topic, making our case study research findings more reliable and detailed. Ultimately, this method gives us insights that mirror the complexities of the real world, guiding us to better strategies and holistic understanding in relevant areas.

Studies Rare and Unusual Happenings

Case studies truly stand out when it comes to exploring rare and unusual events, giving us a glimpse into phenomena that are seldom witnessed. They allow us to delve into specific instances, offering a window into unique situations that might slip under the radar with other research methods. Through this thorough investigation, researchers can unearth valuable insights, discern potential underlying causes or contributing factors, and formulate hypotheses for further exploration.

Moreover, the detailed analysis inherent in exploratory case study methods enables researchers to dive deep into the intricacies of these rare phenomena, illuminating their complexities and potential implications for a fuller understanding.

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Sheds Light on Marginalized Groups' Experiences

Case studies let us hear the stories of marginalized groups loud and clear. By focusing on specific cases within these communities, researchers give a voice to those who often go unnoticed or misunderstood in mainstream conversations. These studies offer a chance to dive into the unique challenges, viewpoints, and daily lives of marginalized individuals and communities, helping us truly understand what they go through.

As researchers dig deep into these stories and put them into context, they bring attention to the unfairness, barriers, and injustices these groups face every day. This isn't just about studying but rather about making a difference. Ultimately, they push us to work towards a fairer, more inclusive society where everyone's voice is heard and valued.

Useful When Variables Can't be Controlled

Case studies are incredibly useful methods when we can't control variables, offering a practical way to study things in the real world. In situations where we can't manipulate variables or run experiments, case studies step in to help us understand what's going on.

By watching events unfold naturally and analyzing them, researchers get a glimpse into how different factors interact without forcing anything. This method gives us a genuine look at the complexities of real life, letting us explore cause-and-effect relationships and outcomes as they happen.

Helps Formulate New Theories

Case studies are key to creating new theories by giving us deep, detailed insights into specific situations. By diving into the details of a case, researchers uncover patterns and relationships that might have gone unnoticed before. They can come up with ideas, build frameworks, and improve existing theories to better explain what's going on. Plus, this method encourages researchers to be curious and open-minded, which can lead to discovering new perspectives and explanations.

Uncovers Surprises

In large-scale quantitative research projects with clear hypotheses, there's often a rigid focus solely on testing that hypothesis. This tunnel vision can lead to missing out on unexpected discoveries. That's where case studies excel. Researchers zoom in on a specific phenomenon, and by closely examining it, they uncover data and draw conclusions that surprise everyone.

These surprises can take many shapes, like finding patterns nobody expected, uncovering results that go against the norm, or discovering unforeseen outcomes of decisions. Thanks to the thorough analysis that comes with the case study method, researchers can spot these surprises and understand why they happened, giving us chances to learn and explore new ideas. Plus, stumbling upon surprises can spark even more curiosity, pushing researchers to dig deeper into what caused these unexpected twists.

Often Not Applicable to Everyone

One significant downside of a case study method is that their findings and conclusions might not apply to everyone in the same way. Since they usually focus on specific situations, the insights they offer might only be relevant in certain contexts. Things like unique circumstances, individual differences, and specific dynamics can all affect what happens in a particular case, making it hard to use those findings for everyone else.

This means that case study results might not always be practical or useful, especially if the situation being studied is very different from what's happening elsewhere. Relying solely on case studies could give us an incomplete or biased view of complex issues, so it's important to be careful about making broad conclusions or theories based only on case study evidence.

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Let our expert solve your challenges and make smarter moves with our tailored case studies!

Personal Views Influence Understanding

Another drawback of a case study method is that researchers' personal views and biases can sway how they understand and interpret the quantitative or qualitative data. Since case studies often involve subjective analysis and interpretation, researchers' own beliefs and values can color how they see and make sense of the information they gather. These biases might lead them to focus on certain parts of the case study topic , ignore evidence that doesn't fit their ideas, or interpret findings in a way that matches their own opinions.

This could mean that the findings aren't as objective or reliable as they could be, possibly resulting in skewed conclusions or inaccurate portrayals of the situation being studied. To address this issue, researchers need to use careful methods, like reflecting on their own biases and using multiple sources of qualitative or quantitative data, to lessen the impact of personal viewpoints and make sure their interpretations are as valid as possible.

Hard to Repeat Findings

One big challenge with case studies is trying to repeat their findings, which affects how reliable and useful the results are. Unlike experiments, where we can control conditions to get the same results again, these methods often involve unique situations that are hard to copy exactly. Things like timing, location, and the specific details of each case can all vary, making it tough to get the same outcomes.

On top of that, since case studies often rely on personal interpretation, it's even harder to repeat findings because different researchers or situations might see the data in different ways. This means that the conclusions we draw from case study research might not always be dependable, which can make it harder to understand a topic.

But, despite these challenges, researchers can take steps to make case study findings more trustworthy. By being clear about how they did their research, having other experts review their findings, and doing more than one case study to see if they get similar results in different situations, we can make sure our findings are reliable and useful.

Case Study Research Method in Psychology

Saul McLeod, PhD

Editor-in-Chief for Simply Psychology

BSc (Hons) Psychology, MRes, PhD, University of Manchester

Saul McLeod, PhD., is a qualified psychology teacher with over 18 years of experience in further and higher education. He has been published in peer-reviewed journals, including the Journal of Clinical Psychology.

Learn about our Editorial Process

Olivia Guy-Evans, MSc

Associate Editor for Simply Psychology

BSc (Hons) Psychology, MSc Psychology of Education

Olivia Guy-Evans is a writer and associate editor for Simply Psychology. She has previously worked in healthcare and educational sectors.

On This Page:

Case studies are in-depth investigations of a person, group, event, or community. Typically, data is gathered from various sources using several methods (e.g., observations & interviews).

The case study research method originated in clinical medicine (the case history, i.e., the patient’s personal history). In psychology, case studies are often confined to the study of a particular individual.

The information is mainly biographical and relates to events in the individual’s past (i.e., retrospective), as well as to significant events that are currently occurring in his or her everyday life.

The case study is not a research method, but researchers select methods of data collection and analysis that will generate material suitable for case studies.

Freud (1909a, 1909b) conducted very detailed investigations into the private lives of his patients in an attempt to both understand and help them overcome their illnesses.

This makes it clear that the case study is a method that should only be used by a psychologist, therapist, or psychiatrist, i.e., someone with a professional qualification.

There is an ethical issue of competence. Only someone qualified to diagnose and treat a person can conduct a formal case study relating to atypical (i.e., abnormal) behavior or atypical development.

 Famous Case Studies

• Anna O – One of the most famous case studies, documenting psychoanalyst Josef Breuer’s treatment of “Anna O” (real name Bertha Pappenheim) for hysteria in the late 1800s using early psychoanalytic theory.
• Little Hans – A child psychoanalysis case study published by Sigmund Freud in 1909 analyzing his five-year-old patient Herbert Graf’s house phobia as related to the Oedipus complex.
• Bruce/Brenda – Gender identity case of the boy (Bruce) whose botched circumcision led psychologist John Money to advise gender reassignment and raise him as a girl (Brenda) in the 1960s.
• Genie Wiley – Linguistics/psychological development case of the victim of extreme isolation abuse who was studied in 1970s California for effects of early language deprivation on acquiring speech later in life.
• Phineas Gage – One of the most famous neuropsychology case studies analyzes personality changes in railroad worker Phineas Gage after an 1848 brain injury involving a tamping iron piercing his skull.

Clinical Case Studies

• Studying the effectiveness of psychotherapy approaches with an individual patient
• Assessing and treating mental illnesses like depression, anxiety disorders, PTSD
• Neuropsychological cases investigating brain injuries or disorders

Child Psychology Case Studies

• Studying psychological development from birth through adolescence
• Cases of learning disabilities, autism spectrum disorders, ADHD
• Effects of trauma, abuse, deprivation on development

Types of Case Studies

• Explanatory case studies : Used to explore causation in order to find underlying principles. Helpful for doing qualitative analysis to explain presumed causal links.
• Exploratory case studies : Used to explore situations where an intervention being evaluated has no clear set of outcomes. It helps define questions and hypotheses for future research.
• Descriptive case studies : Describe an intervention or phenomenon and the real-life context in which it occurred. It is helpful for illustrating certain topics within an evaluation.
• Multiple-case studies : Used to explore differences between cases and replicate findings across cases. Helpful for comparing and contrasting specific cases.
• Intrinsic : Used to gain a better understanding of a particular case. Helpful for capturing the complexity of a single case.
• Collective : Used to explore a general phenomenon using multiple case studies. Helpful for jointly studying a group of cases in order to inquire into the phenomenon.

Where Do You Find Data for a Case Study?

There are several places to find data for a case study. The key is to gather data from multiple sources to get a complete picture of the case and corroborate facts or findings through triangulation of evidence. Most of this information is likely qualitative (i.e., verbal description rather than measurement), but the psychologist might also collect numerical data.

1. Primary sources

• Interviews – Interviewing key people related to the case to get their perspectives and insights. The interview is an extremely effective procedure for obtaining information about an individual, and it may be used to collect comments from the person’s friends, parents, employer, workmates, and others who have a good knowledge of the person, as well as to obtain facts from the person him or herself.
• Observations – Observing behaviors, interactions, processes, etc., related to the case as they unfold in real-time.
• Documents & Records – Reviewing private documents, diaries, public records, correspondence, meeting minutes, etc., relevant to the case.

2. Secondary sources

• News/Media – News coverage of events related to the case study.
• Academic articles – Journal articles, dissertations etc. that discuss the case.
• Government reports – Official data and records related to the case context.
• Books/films – Books, documentaries or films discussing the case.

3. Archival records

Searching historical archives, museum collections and databases to find relevant documents, visual/audio records related to the case history and context.

Public archives like newspapers, organizational records, photographic collections could all include potentially relevant pieces of information to shed light on attitudes, cultural perspectives, common practices and historical contexts related to psychology.

4. Organizational records

Organizational records offer the advantage of often having large datasets collected over time that can reveal or confirm psychological insights.

Of course, privacy and ethical concerns regarding confidential data must be navigated carefully.

However, with proper protocols, organizational records can provide invaluable context and empirical depth to qualitative case studies exploring the intersection of psychology and organizations.

• Organizational/industrial psychology research : Organizational records like employee surveys, turnover/retention data, policies, incident reports etc. may provide insight into topics like job satisfaction, workplace culture and dynamics, leadership issues, employee behaviors etc.
• Clinical psychology : Therapists/hospitals may grant access to anonymized medical records to study aspects like assessments, diagnoses, treatment plans etc. This could shed light on clinical practices.
• School psychology : Studies could utilize anonymized student records like test scores, grades, disciplinary issues, and counseling referrals to study child development, learning barriers, effectiveness of support programs, and more.

How do I Write a Case Study in Psychology?

Follow specified case study guidelines provided by a journal or your psychology tutor. General components of clinical case studies include: background, symptoms, assessments, diagnosis, treatment, and outcomes. Interpreting the information means the researcher decides what to include or leave out. A good case study should always clarify which information is the factual description and which is an inference or the researcher’s opinion.

1. Introduction

• Provide background on the case context and why it is of interest, presenting background information like demographics, relevant history, and presenting problem.
• Compare briefly to similar published cases if applicable. Clearly state the focus/importance of the case.

2. Case Presentation

• Describe the presenting problem in detail, including symptoms, duration,and impact on daily life.
• Include client demographics like age and gender, information about social relationships, and mental health history.
• Describe all physical, emotional, and/or sensory symptoms reported by the client.
• Use patient quotes to describe the initial complaint verbatim. Follow with full-sentence summaries of relevant history details gathered, including key components that led to a working diagnosis.
• Summarize clinical exam results, namely orthopedic/neurological tests, imaging, lab tests, etc. Note actual results rather than subjective conclusions. Provide images if clearly reproducible/anonymized.
• Clearly state the working diagnosis or clinical impression before transitioning to management.

3. Management and Outcome

• Indicate the total duration of care and number of treatments given over what timeframe. Use specific names/descriptions for any therapies/interventions applied.
• Present the results of the intervention,including any quantitative or qualitative data collected.
• For outcomes, utilize visual analog scales for pain, medication usage logs, etc., if possible. Include patient self-reports of improvement/worsening of symptoms. Note the reason for discharge/end of care.

4. Discussion

• Analyze the case, exploring contributing factors, limitations of the study, and connections to existing research.
• Analyze the effectiveness of the intervention,considering factors like participant adherence, limitations of the study, and potential alternative explanations for the results.
• Identify any questions raised in the case analysis and relate insights to established theories and current research if applicable. Avoid definitive claims about physiological explanations.
• Offer clinical implications, and suggest future research directions.

5. Additional Items

• Thank specific assistants for writing support only. No patient acknowledgments.
• References should directly support any key claims or quotes included.
• Use tables/figures/images only if substantially informative. Include permissions and legends/explanatory notes.
• Provides detailed (rich qualitative) information.
• Provides insight for further research.
• Permitting investigation of otherwise impractical (or unethical) situations.

Case studies allow a researcher to investigate a topic in far more detail than might be possible if they were trying to deal with a large number of research participants (nomothetic approach) with the aim of ‘averaging’.

Because of their in-depth, multi-sided approach, case studies often shed light on aspects of human thinking and behavior that would be unethical or impractical to study in other ways.

Research that only looks into the measurable aspects of human behavior is not likely to give us insights into the subjective dimension of experience, which is important to psychoanalytic and humanistic psychologists.

Case studies are often used in exploratory research. They can help us generate new ideas (that might be tested by other methods). They are an important way of illustrating theories and can help show how different aspects of a person’s life are related to each other.

The method is, therefore, important for psychologists who adopt a holistic point of view (i.e., humanistic psychologists ).

Limitations

• Lacking scientific rigor and providing little basis for generalization of results to the wider population.
• Researchers’ own subjective feelings may influence the case study (researcher bias).
• Difficult to replicate.
• Time-consuming and expensive.
• The volume of data, together with the time restrictions in place, impacted the depth of analysis that was possible within the available resources.

Because a case study deals with only one person/event/group, we can never be sure if the case study investigated is representative of the wider body of “similar” instances. This means the conclusions drawn from a particular case may not be transferable to other settings.

Because case studies are based on the analysis of qualitative (i.e., descriptive) data , a lot depends on the psychologist’s interpretation of the information she has acquired.

This means that there is a lot of scope for Anna O , and it could be that the subjective opinions of the psychologist intrude in the assessment of what the data means.

For example, Freud has been criticized for producing case studies in which the information was sometimes distorted to fit particular behavioral theories (e.g., Little Hans ).

This is also true of Money’s interpretation of the Bruce/Brenda case study (Diamond, 1997) when he ignored evidence that went against his theory.

Breuer, J., & Freud, S. (1895).  Studies on hysteria . Standard Edition 2: London.

Curtiss, S. (1981). Genie: The case of a modern wild child .

Diamond, M., & Sigmundson, K. (1997). Sex Reassignment at Birth: Long-term Review and Clinical Implications. Archives of Pediatrics & Adolescent Medicine , 151(3), 298-304

Freud, S. (1909a). Analysis of a phobia of a five year old boy. In The Pelican Freud Library (1977), Vol 8, Case Histories 1, pages 169-306

Freud, S. (1909b). Bemerkungen über einen Fall von Zwangsneurose (Der “Rattenmann”). Jb. psychoanal. psychopathol. Forsch ., I, p. 357-421; GW, VII, p. 379-463; Notes upon a case of obsessional neurosis, SE , 10: 151-318.

Harlow J. M. (1848). Passage of an iron rod through the head.  Boston Medical and Surgical Journal, 39 , 389–393.

Harlow, J. M. (1868).  Recovery from the Passage of an Iron Bar through the Head .  Publications of the Massachusetts Medical Society. 2  (3), 327-347.

Money, J., & Ehrhardt, A. A. (1972).  Man & Woman, Boy & Girl : The Differentiation and Dimorphism of Gender Identity from Conception to Maturity. Baltimore, Maryland: Johns Hopkins University Press.

Money, J., & Tucker, P. (1975). Sexual signatures: On being a man or a woman.

Further Information

• Case Study Approach
• Case Study Method
• Enhancing the Quality of Case Studies in Health Services Research
• “We do things together” A case study of “couplehood” in dementia
• Using mixed methods for evaluating an integrative approach to cancer care: a case study

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What is a Case Study? Definition & Examples

By Jim Frost Leave a Comment

Case Study Definition

A case study is an in-depth investigation of a single person, group, event, or community. This research method involves intensively analyzing a subject to understand its complexity and context. The richness of a case study comes from its ability to capture detailed, qualitative data that can offer insights into a process or subject matter that other research methods might miss.

A case study strives for a holistic understanding of events or situations by examining all relevant variables. They are ideal for exploring ‘how’ or ‘why’ questions in contexts where the researcher has limited control over events in real-life settings. Unlike narrowly focused experiments, these projects seek a comprehensive understanding of events or situations.

In a case study, researchers gather data through various methods such as participant observation, interviews, tests, record examinations, and writing samples. Unlike statistically-based studies that seek only quantifiable data, a case study attempts to uncover new variables and pose questions for subsequent research.

A case study is particularly beneficial when your research:

• Requires a deep, contextual understanding of a specific case.
• Needs to explore or generate hypotheses rather than test them.
• Focuses on a contemporary phenomenon within a real-life context.

Learn more about Other Types of Experimental Design .

Case Study Examples

Various fields utilize case studies, including the following:

• Social sciences : For understanding complex social phenomena.
• Business : For analyzing corporate strategies and business decisions.
• Healthcare : For detailed patient studies and medical research.
• Education : For understanding educational methods and policies.
• Law : For in-depth analysis of legal cases.

For example, consider a case study in a business setting where a startup struggles to scale. Researchers might examine the startup’s strategies, market conditions, management decisions, and competition. Interviews with the CEO, employees, and customers, alongside an analysis of financial data, could offer insights into the challenges and potential solutions for the startup. This research could serve as a valuable lesson for other emerging businesses.

See below for other examples.

Types of Case Studies

Several standard types of case studies exist that vary based on the objectives and specific research needs.

Illustrative Case Study : Descriptive in nature, these studies use one or two instances to depict a situation, helping to familiarize the unfamiliar and establish a common understanding of the topic.

Exploratory Case Study : Conducted as precursors to large-scale investigations, they assist in raising relevant questions, choosing measurement types, and identifying hypotheses to test.

Cumulative Case Study : These studies compile information from various sources over time to enhance generalization without the need for costly, repetitive new studies.

Critical Instance Case Study : Focused on specific sites, they either explore unique situations with limited generalizability or challenge broad assertions, to identify potential cause-and-effect issues.

Pros and Cons

As with any research study, case studies have a set of benefits and drawbacks.

• Provides comprehensive and detailed data.
• Offers a real-life perspective.
• Flexible and can adapt to discoveries during the study.
• Enables investigation of scenarios that are hard to assess in laboratory settings.
• Facilitates studying rare or unique cases.
• Generates hypotheses for future experimental research.
• Time-consuming and may require a lot of resources.
• Hard to generalize findings to a broader context.
• Potential for researcher bias.
• Cannot establish causality .
• Lacks scientific rigor compared to more controlled research methods .

Crafting a Good Case Study: Methodology

While case studies emphasize specific details over broad theories, they should connect to theoretical frameworks in the field. This approach ensures that these projects contribute to the existing body of knowledge on the subject, rather than standing as an isolated entity.

The following are critical steps in developing a case study:

• Define the Research Questions : Clearly outline what you want to explore. Define specific, achievable objectives.
• Select the Case : Choose a case that best suits the research questions. Consider using a typical case for general understanding or an atypical subject for unique insights.
• Data Collection : Use a variety of data sources, such as interviews, observations, documents, and archival records, to provide multiple perspectives on the issue.
• Data Analysis : Identify patterns and themes in the data.
• Report Findings : Present the findings in a structured and clear manner.

Analysts typically use thematic analysis to identify patterns and themes within the data and compare different cases.

• Qualitative Analysis : Such as coding and thematic analysis for narrative data.
• Quantitative Analysis : In cases where numerical data is involved.
• Triangulation : Combining multiple methods or data sources to enhance accuracy.

A good case study requires a balanced approach, often using both qualitative and quantitative methods.

The researcher should constantly reflect on their biases and how they might influence the research. Documenting personal reflections can provide transparency.

Avoid over-generalization. One common mistake is to overstate the implications of a case study. Remember that these studies provide an in-depth insights into a specific case and might not be widely applicable.

Don’t ignore contradictory data. All data, even that which contradicts your hypothesis, is valuable. Ignoring it can lead to skewed results.

Finally, in the report, researchers provide comprehensive insight for a case study through “thick description,” which entails a detailed portrayal of the subject, its usage context, the attributes of involved individuals, and the community environment. Thick description extends to interpreting various data, including demographic details, cultural norms, societal values, prevailing attitudes, and underlying motivations. This approach ensures a nuanced and in-depth comprehension of the case in question.

Learn more about Qualitative Research and Qualitative vs. Quantitative Data .

Morland, J. & Feagin, Joe & Orum, Anthony & Sjoberg, Gideon. (1992). A Case for the Case Study . Social Forces. 71(1):240.

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7 Pros and Cons of Case Studies

Many researchers have faith on case studies as they often base their findings on the data that they gather. However, not all people find this procedure quite effective and reliable as some consider this as a bias method that should only provide insinuated findings. To learn more about the significance of case studies, here are some of the pros and cons that you can use to determine if this is indeed useless or otherwise.

List of Pros of Case Studies

1. Shows Client Observations The essence of case studies is that it can fully show the experience of the observer in the program. This can also show the input processes and results. For this reason, it can support the theory that surrounds the thought which requires the importance of case studies.

2. Influential Way to Portray Something If a researcher wants to prove something to any person, it is his or her initiative to influence outsiders to believe. By presenting case studies, it will give an idea to a certain audience that the experiment or observation being done is indeed reliable and true. Most of the time, when a case study has been presented, it sends out a message to the reader that it is already of great importance and reliability.

3. Makes Practical Improvements The creation or gathering of data to come up with a conclusion should be a way of making practical improvements. If a person would want to support his or her belief or understanding of something, reliable findings must be presented. Hence, it is necessary to release a case study in order to increase the understanding of people who are unfamiliar with a particular notion.

List of Cons of Case Studies

1. Lack the Essential Insights Oftentimes, case studies lack the insights regarding what was happening in the company being the subject. In contrast, those that are written from the outer part of the company looking in should be considered unbiased. Meanwhile, those written from an inner point of view may have already been thoroughly sanitized by its legal department, communications group and public relations firms.

2. Unrealistic as a Definitive Roadmap Case studies can sometimes be used either way when doing things. Despite being so tempting to apply clear definition, doing so can force you to disregard the almost infinite count of unique inputs and circumstances surrounding any given situation.

3. Encourage to Imitate than Inspire When relying much on case studies, there is a tendency to imitate rather than to inspire which is a dangerous situation to be. So, presenting a case without formal study might just be the inspiration that people require to apply their own ideas and observations compared to relying on the analysis of other people. Thus, it will lead to inspire other people to write case studies one day.

4. Doesn’t Apply to Similar Cases At some point, people would think that similar case studies have the same findings and results. In contrast, this does not guarantee that the findings presented would be applicable to others with similar cases.

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Case Study Pros and Cons

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Published: Jun 6, 2024

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Advantages of case studies, disadvantages of case studies, balancing the pros and cons.

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Case studies for safe working in general practice

Case study: a realistic rota, how it works.

• We limit consultations to 13 per session. 
• Have a number of appointments that are pre-bookable either by the GP or by patients with different timeframes from when they are available. 
• The duty doctor then calculates how many on the day appointments are available that day.  The duty list is then capped at this number.   
• This includes the duty doctor doing 10 consultations as well as the triage, but these are for simple things like med3s rather than complex care 
• Comments are added to the duty list in the morning of when to move to the pm duty list 
• The pm duty list has a comment adding at what point to turn off online consulting and another comment added, typically about 10 slots further down, stating 'emergencies only discuss with duty doctor prior to booking'.  Typically we have 10-15 of these slots. 
• The 111 list sits separate to this with 2 appts in the morning and 2 in afternoon but the duty doctor will move these to the triage list if they are going to need a consultation so that they are included in the capacity count. 
• When we move over to emergencies only, the telephone message changes to make the patient aware that we only have emergency appointments that day so that they are not on hold for 30+ minutes to be told we have nothing left for that day. 
• We don't hold a waiting list, if we are at the points of emergencies only, the patient doesn't need an emergency appointment and there are no pre-bookable appointments available, the patient has the option to put in an econsult the next day, call for an appointment the next day or if they feel it can't wait contact 111, IUC etc. This is the one bit of our system that I don't like as I would like a solution that doesn't require a patient to call back. The reason we don't add them to the list for the next day is that a sig proportion never call back and we can't fill up the following days capacity as the system fails. 
• We do use apex Edenbridge to monitor our appointments, as I think it would be hard to challenge our approach if we are also demonstrating that we are offering more than the average number of appointments per 1000 patients per week than the other practices in our ICB. 

This has made a huge difference to our clinicians. We spend longer with patients but it is based on a realistic rota which also enables us to do the clinical administrative work and complete all tasks in the allotted time so I no longer work 2 sessions in a day which actually take 11 hours to complete, this use to be the case. 

Case study: Standard and on-call days

Standard gp day.

Morning 

• 12 x 15mins consultations (face-to-face or phone) - split between advance and on-the-day. 
• 2 x 15mins consultations for GPs to book into (eg. Telcon with DN or task necessitating them to initiate call to patient). 

Lunch 

• 1x visit maximum (unless at care home, where may be 2x).

Afternoon 

• 12 x 15mins consultations, as per morning.  

On-call GP day

• As per standard day. 
• As per standard day but ONLY visits if all others have a visit already (duty triages requests). 
• 6x 15mins advance-booked consultations. 
• 3x 15mins 111-bookable slots. 
• Rest of afternoon for admin, answering queries from reception and urgent (EOL/hot kids/DN calls), also reviews and actions any abnormal bloods/urgent scripts coming in after 5pm. 

Case study: Practice example using triage

This practice serves 20,000 patients in a deprived, multi-cultural population using a GP led total clinical triage called CAS (clinical assessment screen) GPs. 

• Patients access appointments via reception, telcon or accuRx. 
• GP appointments default to telephone: 11 telcons and 3 face-to-face per session. If more face-to-face sessions are needed, telcons are blocked.
• Slot types are either red (same day), amber (1 week), amber (2 weeks), or routine.
• AHPs such as ANPs/paramedics/MHP are used for face-to-face appointments only.
• CAS GPs have no booked appointments - they make clinical decisions on RAG rating of clinical triage and use F12 protocol to communicate this. Routine patients may go on a waiting list if there are not enough appointments.
• CAS screen is capped at either 3:30pm or when each CAS GP has clinically triaged 50 patients per session (which may happen earlier at 2pm). When the cap is reached, all on-line access is closed and patients are told it's urgent only, which are first triaged by care navigators and then CAS GP.  
• GPs much happier 
• Continuity much higher 
•  Complaints have gone up as patients don't like waiting when it's not urgent.

Case study: Fully online triage

Breakdown by day .

• 12 patient consultations every 4 hours (counted as one session). 
• Face-to-face majority, couple of phonically, and 2 GP Follow ups (mainly MH and continuity of care). 
• 13-minute appointments.  
• One third protected admin time. 
• 15-minute break per session worked.  

System was fully online triage:  

• initially Egerton and then switch to Accurx
• clinical triage by GP in the morning (previously did two sets of triage, am and pm, but this proved difficult to manage workload and demand, as too open ended and labour intensive in terms of GP time and resource)
• window for online triage forms open from 7.30am to 11.00am - clear communication to patients re timings (used to be open over the weekend and all day, but risky in terms of safety if people ignore the red flags, and demand management)
• closed earlier if capacity reached, or if staff sickness etc.

Capacity is mapped out, and a RAG (Red/Amber/Green) rating approach taken according to clinical prioritisation, patients with specific needs and vulnerabilities have alerts on system:  

• on the day urgent: red
• less urgent but not routine: amber (48 hours)
• routine - next available: green (safe to wait, no clinical urgency). 

Appointments capacity mapped out in terms of:

• clinicians 
• practice - in house 
• enhanced access - GP Fed - on the day evening and any the weekend (routine) 
• PCN: mole clinic, women's health, minor surgery, social prescriber, physio (this is in addition to the city wide FPOC physio)
• straight to physio (FPOC city wide offer) 
• external services eg Pharmacy first, minor ailments.  

We stopped the PCN MHPs, and reverted to direct practice ones as the MH trust offer didn't really address our needs.

Booking of appointments

• Patients are sent booking links to self-book face to face on the day via Accurx (this helps reduce DNAs as patients can pick the most convenient time). 
• Appointments can be booked in via telephone for nurse and bloods/smears etc (helps prevent inappropriate booking). 
• If patients are unable to use online triage, the forms are completed on their behalf by reception or direct booking into an appointment.  

In tandem with the above, we use an Oncall GP:  

• they have a lighter clinic in place, with empty slots for ad hoc queries  
• their capacity would be used only if the on the day capacity had been reached, and for those patients that could not wait  
• they would also deal with urgent docman (usually mental health or safe guarding. cases), third party queries and review urgent bloods that needed to be actioned for those clinicians that were not in  
• the workload of the on call has greatly reduced since the introduction of total triage ( I used to do the Mondays and art times would have 26 urgent consultations in addition to usual workload, from the morning!)
• if the urgent, moderately urgent and routine appointments are all used up patients are either signposted to other services or, if not appropriate, informed that they will be allocated an appointment once this becomes available
• all text messages including failed contacted have safety netting advice included with NHS111 contact information.  

Case study: A new system for patients

This example is from a practice that services 23.5k patients, semi-rural, deprived population with no UCC locally.

We are not quite down to 25 contacts a day yet but at 28 on routine days and 15 per session for on call clinicians (mix of GPs and ANPs).  

Some routine appointments are pre-bookable, some embargoed for on the day use (more embargoed on Mondays). 14 appointments per session, about half face to face although many of us convert telephone/online slots to face-to-face if needed. All appointments are fifteen minutes.

Triage hub 

2-3 clinicians per session in a triage hub with receptionists. 2 clinicians ‘on call’ seeing the urgent face to face appointments booked by the hub clinicians - 15-minute appointments.  

Can flex clinicians if needed to/from triage/on call.  

We switch off incoming electronic forms when the hub clinicians judge that we have no more slots to book into. Usually they go off around three pm but can be earlier or later depending on demand and clinical capacity. Patients can then ring in and will be triaged if emergency/directed to 111 if absolutely no capacity left.  

Recently we’ve changed so that if we are on maximum clinicians off for leave we load more on the day appointments.  

Separate appointments

We have separate twenty-minute appointments for coils, implants, first menopause appointments and joint injections. We have a GP with an hour blocked for visits (and visiting matrons) and one with an hour blocked to deal with the blood results of any clinician not in that day.  

Clinicians are generally happier than when we had unending duty demand. Patients objected at first but now seem to be mostly okay with the system. 

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A Case Study Assessing the Cumulative Effects of Deepwater Horizon Restoration Projects on Barrier Island/Barrier Shoreline Ecosystem Resilience in the North-central Gulf of Mexico

USGS and partners will assess the potential cumulative effects of restoration projects on the resiliency of barrier islands and barrier shorelines in the north-central Gulf of Mexico.

The Science Issue and Relevance:   The Deepwater Horizon (DWH) mobile drilling unit explosion and associated oil spill in April 2010 substantially impacted northern Gulf of Mexico coastal ecosystems, exacerbating existing acute and chronic stressors. As part of the  Natural Resource Damage Assessment process, along with civil and criminal claims, and imposed fines and penalties, over $15 billion (USD) in funding was dedicated to addressing environmental and economic restoration. Since DWH, hundreds of projects have been planned and implemented across the coast with the overall goal of restoring ecosystem function and services. Given the unprecedented temporal, spatial, and funding scales associated with the DWH oil spill restoration effort, the need for robust monitoring was identified early on to help inform adaptive management and provide a means to assess restoration outcomes. Many restoration projects provide project-specific monitoring data (for example,  DIVER website ), which offer insight into project-specific outcomes. However, these data alone fall short of informing outcomes at the ecosystem or regional level that may incorporate cumulative, synergistic or antagonistic effects across a habitat type or geographic area. 

A recent  National Academies of Sciences Report focused on the need to develop approaches that specifically assess cumulative impacts of restoration across a geographic- or ecosystem-level scale. Such an approach requires understanding not just project-level outcomes, but also understanding the cumulative effects of multiple restoration projects on an ecosystem, and their interaction with impacts of on-going acute and chronic stressors (for example, sea-level rise). Over 85 restoration projects have been implemented across the north-central Gulf of Mexico coast as part of the DWH restoration response. These restoration activities provide an opportunity to examine cause and effect related to restoration actions, and more specifically, how on-going trends in the resilience and ecological changes in the barrier island/barrier shoreline (BI/BS) systems may differ from expected or predicted trends for this region.

Methodology for Addressing the Issue: The Louisiana State University, U.S. Fish and Wildlife Service, USGS, and the Water Institute of the Gulf are collaborating on a case study to assess the potential cumulative effects of DWH restoration projects on the resiliency of the BI/BS in the north-central Gulf of Mexico. The area of interest for this study will span from Dauphin Island in Alabama (Fig. 1) to Alligator Point in Florida (Point Bald State Park; Fig. 2). To achieve this objective, we will: 1) develop a conceptual model of BI/BS that identifies drivers, stressors, and outcome metrics to track BI/BS resiliency; 2) document changes in BI/BS resiliency indicators using available project and remotely sensed data; and 3) explore metrics to assess potential changes in these resiliency indicators in response to DWH restoration projects. 

Future Steps: The next steps include the assessment of potential cumulative effects of BI/BS and dissemination of results. This effort could be expanded via future updates with new or planned restoration activities and remote sensing data.

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Forestry industry careers case studies

Read the case studies of various career paths within the forestry sector.

Applies to England

Forest research case studies.

https://www.forestresearch.gov.uk/climate-change/resources/case-studies/

Institute of Chartered Foresters: women in forestry

https://forestrycommission.blog.gov.uk/2023/03/09/women-in-forestry-mean-business/

Royal Forestry Society: from trainee to Woodlands Operations Manager

https://rfs.org.uk/news-list/from-forestry-roots-to-woodlands-operations-manager/

Arboricultural Association: 12 inspirational women in arboriculture

https://www.trees.org.uk/Careers/Women-in-Arboriculture/12-Faces-of-ARB

Confor: forestry careers

https://www.confor.org.uk/our-story/a-career-in-forestry/

LANTRA case studies at all levels

https://www.lantra.co.uk/careers/CaseStudies?sectors=11

Find out what its like to work in the forestry industry.

You can also read about working in the Forestry Commission: Forestry Commission careers case studies .

Further resources

Find out more about a career in forestry:

• Where to find forestry jobs
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techUK: new AI adoption case study collection - call for case studies!

As part of techUK’s 2024 AI Campaign Week, we are launching a call for techUK member case studies, to demonstrate how organisations are tackling the barriers to AI adoption to maximise AI's potential. These case studies will be showcased to UK organisations that are also embarking on their AI adoption journeys, providing them with practical examples and insights to guide their Putting AI into Action efforts. 

Our AI Adoption collection of case studies will provide a comprehensive look at how organisations are effectively integrating artificial intelligence (AI) into their operations. These case studies highlight a diverse range of examples where AI is being put into action, either through the internal adoption of AI models to enhance organisational capabilities or by developing innovative AI tools and solutions that can be utilised by others. 

Through these real-world examples, our collection aims to shed light on how AI is transforming various industries, from health and social care and cybersecurity to transportation and central government, among others. By presenting these practical use cases, we hope to illustrate best practices for AI implementation, demonstrating how organisations—whether large organisations, or SMEs, are successfully leveraging AI to drive efficiency, innovation, and competitiveness.  

These case studies are valuable for numerous audiences, including businesses looking to optimise their processes and explore new AI-driven opportunities, public sector organisations seeking to enhance service delivery and operational efficiency, and government bodies and policymakers aiming to understand how best to support UK businesses who are playing their part to drive UK innovation and economic growth.  

Each case study not only provides an in-depth analysis of the specific AI strategies employed but also offers insights into the challenges faced, the solutions implemented, and the measurable impacts achieved. The goal is to empower these varied stakeholders with valuable lessons and actionable insights, helping them navigate their own AI journeys with greater confidence and clarity. 

Ultimately, by sharing these examples, we aim to foster a deeper understanding of AI's potential across sectors in the UK and to encourage more organisations, whether in the private or public sectors, to explore and adopt AI-driven solutions tailored to their unique needs and objectives. 

Please fill out this form with the details of your case study .

Once you you have completed the form please submit it to/contact for further queries, techUK’s Programme Manager for Artificial Intelligence, Usman Ikhlaq: [email protected]  

Usman Ikhlaq

Programme Manager - Artificial Intelligence, techUK

Usman joined techUK in January 2024 as Programme Manager for Artificial Intelligence.

His role is to help techUK members of all sizes and across all sectors to adopt AI at scale. This includes identifying the barriers to adoption, considering solutions and how best to maximise AI's potential.

Prior to joining techUK, Usman worked as a policy, government affairs and public affairs professional in the advertising sector. He has also worked in sales and marketing and FinTech.

Usman is a graduate of the London School of Economics and Political Science (MSc), BPP Law School (GDL and LLB) and Queen Mary University of London (BA). 

When he isn’t working, Usman enjoys spending time with his family and friends. He also has a keen interest in running, reading and travelling.

Programme Manager, Artificial Intelligence, techUK

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A Fiery Feeling

An Exploration of Stomach Acid Production

By Lacy M. Cleveland, Christine L. Savage, Elizabeth M. Kashmitter

Share Start a Discussion

In this directed case study, students follow a discussion between “Jerry,” a diabetic and former smoker struggling with gastroesophageal reflex disease (GERD), and his primary care physician. Jerry’s diagnosis provides an opportunity for students to examine the process of stomach acid production and its regulation via the cells of the gastric pit and parasympathetic nervous system. Students learn how acetylcholine, histamine, and gastrin enhance, while somatostatin reduces, stomach acid production.   As Jerry explores his treatment options, students compare the mechanism and effectiveness of antacids, H2 blockers, and proton pump inhibitors. The case is designed for a lower-level undergraduate anatomy and physiology course and can be completed in one 50- or 75-minute class period or assigned as homework.   While it is recommended that students have prior knowledge of stomach acid production and the cells of the gastric pit, the design of the case allows for students to learn (not just reinforce) these concepts.  

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Date Posted

• Identify the roles and secretion of the cells associated with the gastric pit, including mucous cells, parietal cells, chief cells, D cells, enterochromaffin-like cells, and G cells.
• Describe regulation of stomach acid production.
• List the symptoms, risk factors, and causes of gastroesophageal reflex disease (GERD).
• Describe the criteria used by medical professionals to diagnose GERD.
• Compare and contrast the mechanism of action and effectiveness of antacids, H2 blockers, and proton pump inhibitors (PPIs).

Digestive system; parietal cells; stomach acid; gastrin; histamine; acid reflux; gastroesophageal reflux disease; GERD;

Subject Headings

EDUCATIONAL LEVEL

Undergraduate lower division

TOPICAL AREAS

TYPE/METHODS

Teaching Notes & Answer Key

Teaching notes.

Case teaching notes are protected and access to them is limited to paid subscribed instructors. To become a paid subscriber, purchase a subscription here .

Teaching notes are intended to help teachers select and adopt a case. They typically include a summary of the case, teaching objectives, information about the intended audience, details about how the case may be taught, and a list of references and resources.

Download Notes

Answer Keys are protected and access to them is limited to paid subscribed instructors. To become a paid subscriber, purchase a subscription here .

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Materials & Media

Supplemental materials.

The optional PowerPoint presentation below contains illustrations that may be used to support delivery of the case.

• stomach_acid_sup.pptx (~1 MB)
• Parietal Cell Acid Production This video outlines the process of stomach acid production by the parietal cell. Running time: 5:11 min. Produced by PhysioPathoPharmaco, 2017.

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Assessing English Language Proficiency: A Case Study of English Version Students of Higher Secondary Level of Bangladesh

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