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10 Research Question Examples to Guide your Research Project

Published on October 30, 2022 by Shona McCombes . Revised on October 19, 2023.

The research question is one of the most important parts of your research paper , thesis or dissertation . It’s important to spend some time assessing and refining your question before you get started.

The exact form of your question will depend on a few things, such as the length of your project, the type of research you’re conducting, the topic , and the research problem . However, all research questions should be focused, specific, and relevant to a timely social or scholarly issue.

Once you’ve read our guide on how to write a research question , you can use these examples to craft your own.

Note that the design of your research question can depend on what method you are pursuing. Here are a few options for qualitative, quantitative, and statistical research questions.

Other interesting articles

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

Methodology

• Sampling methods
• Simple random sampling
• Stratified sampling
• Cluster sampling
• Likert scales
• Reproducibility

 Statistics

• Null hypothesis
• Statistical power
• Probability distribution
• Effect size
• Poisson distribution

Research bias

• Optimism bias
• Cognitive bias
• Implicit bias
• Hawthorne effect
• Anchoring bias
• Explicit bias

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Simple Hypothesis

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Venturing into the realm of scientific inquiry, the hypothesis stands as a beacon, guiding researchers towards answers. A simple hypothesis, crisp and to the point, paves the way for clear testing and straightforward results. But how does one draft such a potent statement? And what makes it so effective? Join us as we demystify the art of creating simple hypothesis statements and share invaluable tips to refine your approach.”

What is an example of a Simple hypothesis statement?

A simple hypothesis statement typically specifies a relationship or difference between two variables. Here’s an example:

Caffeine Consumption and Alertness: Consuming caffeine increases a person’s alertness.

In this example, the two variables are “caffeine consumption” and “alertness.” The hypothesis simply posits that there’s a direct relationship between these two variables, indicating that as one (caffeine consumption) increases, the other (alertness) does as well.

100 Simple Hypothesis Statement Examples

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Simple hypothesis statements act as the backbone of research, succinctly proposing a direct relationship or difference between two variables. These straightforward declarations pave the way for clear testing and results, offering a digestible insight into expected outcomes.

• Sunlight and Plant Growth : Exposure to sunlight increases plant growth.
• Reading and Vocabulary Expansion : Regular reading leads to an expanded vocabulary.
• Exercise and Heart Health : Engaging in exercise improves heart health.
• Sugar Intake and Energy Levels : Consuming sugar temporarily boosts energy levels.
• Hydration and Skin Health : Drinking water improves skin hydration.
• Meditation and Stress Reduction : Practicing meditation reduces stress levels.
• Music and Productivity : Listening to music enhances work productivity.
• Sleep Duration and Cognitive Functions : Getting adequate sleep improves cognitive functions.
• Fertilizer and Crop Yield : Using fertilizers increases crop yields.
• Probiotics and Gut Health : Consuming probiotics enhances gut health.
• Screen Time and Eye Strain : Prolonged screen time leads to increased eye strain.
• Social Media Usage and Loneliness : Frequent social media use is linked to feelings of loneliness.
• Carbon Emissions and Global Warming : Higher carbon emissions contribute to global warming.
• Vitamin C and Immunity : Consuming vitamin C boosts immune functions.
• Artificial Lights and Sleep Quality : Exposure to artificial lights at night reduces sleep quality.
• Yoga and Flexibility : Regular yoga practice increases flexibility.
• Chocolate Consumption and Mood : Eating chocolate elevates mood.
• Brushing and Dental Health : Regular brushing reduces dental cavities.
• Temperature and Metabolism Rate : Cold environments accelerate metabolism.
• Pet Ownership and Happiness : Having a pet contributes to increased happiness levels.
• Puzzles and Brain Activity : Solving puzzles activates brain functions.
• Green Tea and Weight Loss : Drinking green tea aids in weight loss.
• Salt Intake and Blood Pressure : Consuming high amounts of salt raises blood pressure.
• Indoor Plants and Air Quality : Having indoor plants improves air quality.
• Antibiotics and Bacterial Infections : Taking antibiotics reduces bacterial infections.
• Laughter and Endorphin Release : Engaging in laughter releases endorphins.
• Gaming and Hand-Eye Coordination : Playing video games improves hand-eye coordination.
• Washing Hands and Germ Spread : Regular hand washing reduces the spread of germs.
• Spicy Foods and Metabolism : Consuming spicy foods boosts metabolism.
• Journaling and Emotional Health : Maintaining a journal aids emotional well-being.
• Urban Areas and Noise Pollution : Urban regions are associated with higher noise pollution.
• Physical Activity and Bone Density : Regular physical activity strengthens bone density.
• Aloe Vera and Skin Soothing : Applying aloe vera soothes skin irritations.
• Alcohol Consumption and Reaction Time : Drinking alcohol slows down reaction time.
• Bird Watching and Patience : Engaging in bird watching cultivates patience.
• Cycling and Leg Strength : Regular cycling enhances leg muscle strength.
• Public Speaking and Confidence : Practicing public speaking boosts confidence.
• Dancing and Cardiovascular Health : Dancing regularly improves cardiovascular health.
• Acupuncture and Pain Relief : Undergoing acupuncture reduces pain.
• Caloric Restriction and Lifespan : Reducing caloric intake is linked to extended lifespan.
• Olive Oil and Heart Health : Consuming olive oil promotes heart health.
• Mindfulness and Attention Span : Practicing mindfulness increases attention span.
• Bilingualism and Cognitive Flexibility : Being bilingual enhances cognitive flexibility.
• Heavy Metals and Water Toxicity : Presence of heavy metals increases water toxicity.
• Mountain Climbing and Stamina : Engaging in mountain climbing builds stamina.
• Urbanization and Wildlife Displacement : Increased urbanization leads to wildlife displacement.
• Mentoring and Career Progression : Having a mentor accelerates career progression.
• Organic Farming and Soil Health : Practicing organic farming enhances soil health.
• Red Wine and Antioxidant Intake : Consuming red wine increases antioxidant intake.
• Studying Abroad and Cultural Awareness : Studying abroad enhances cultural awareness.
• E-books and Reading Duration : Using e-books extends reading duration.
• Swimming and Lung Capacity : Regular swimming increases lung capacity.
• Deforestation and Carbon Dioxide Levels : Deforestation raises carbon dioxide levels.
• Fast Food and Obesity : Frequent fast food consumption is linked to obesity.
• Classical Music and Infant Sleep : Playing classical music improves infant sleep duration.
• Microplastics and Marine Pollution : The presence of microplastics heightens marine pollution.
• Afforestation and Rainfall : Increasing forest cover can lead to higher rainfall.
• Gratitude Journaling and Positivity : Maintaining a gratitude journal boosts feelings of positivity.
• Singing and Lung Function : Regular singing enhances lung function.
• Noise Pollution and Stress : Exposure to noise pollution increases stress levels.
• Rural Living and Mental Peace : Living in rural areas promotes mental peace.
• Soft Drinks and Bone Density : Consuming soft drinks decreases bone density.
• Travel and Open-mindedness : Traveling frequently fosters open-mindedness.
• Digital Learning and Student Engagement : Digital learning tools increase student engagement.
• Plastic Usage and Land Pollution : Increased plastic usage contributes to land pollution.
• Stretching and Muscle Flexibility : Daily stretching improves muscle flexibility.
• Wine Consumption and Gut Health : Moderate wine consumption benefits gut health.
• Homework and Academic Achievement : Regular homework boosts academic achievement.
• Raw Foods and Digestive Health : Consuming raw foods aids digestive health.
• High Heels and Posture : Wearing high heels affects posture negatively.
• Therapy and Mental Well-being : Engaging in therapy promotes mental well-being.
• Fast Charging and Battery Lifespan : Using fast charging can reduce battery lifespan.
• Pottery and Hand Dexterity : Practicing pottery improves hand dexterity.
• Group Study and Retention : Studying in groups enhances information retention.
• Red Meat and Cholesterol Levels : Consuming red meat increases cholesterol levels.
• Kombucha and Gut Flora : Drinking kombucha benefits gut flora.
• Night Driving and Accident Risk : Driving at night increases the risk of accidents.
• Karaoke and Social Bonding : Engaging in karaoke fosters social bonding.
• Balanced Diet and Energy Levels : Following a balanced diet boosts energy levels.
• Multitasking and Task Efficiency : Multitasking reduces task efficiency.
• Gardening and Stress Relief : Regular gardening acts as a stress reliever.
• Digital Detox and Sleep Quality : Undertaking a digital detox improves sleep quality.
• Massage and Muscle Relaxation : Getting massages aids muscle relaxation.
• Animal Therapy and Emotional Healing : Engaging with animals accelerates emotional healing.
• Crafting and Creativity : Regular crafting activities enhance creativity.
• Organ Donation and Life-saving : Organ donation can be life-saving.
• Bamboo Products and Sustainability : Using bamboo products promotes sustainability.
• Weight Training and Muscle Mass : Engaging in weight training increases muscle mass.
• Fermented Foods and Digestion : Consuming fermented foods aids digestion.
• Outdoor Activities and Vitamin D Levels : Engaging in outdoor activities boosts Vitamin D levels.
• Smoking and Lung Health : Regular smoking deteriorates lung health.
• Feedback and Performance Improvement : Receiving feedback improves performance.
• Adventure Sports and Risk-taking Ability : Engaging in adventure sports enhances risk-taking ability.
• Coding and Logical Thinking : Learning to code promotes logical thinking.
• Chocolate and Antioxidant Levels : Eating dark chocolate boosts antioxidant levels.
• Vegetarian Diet and Heart Health : Following a vegetarian diet improves heart health.
• Deep Breathing and Relaxation : Practicing deep breathing induces relaxation.
• Natural Light and Productivity : Exposure to natural light enhances productivity.
• Green Spaces and Mental Health : Access to green spaces boosts mental well-being.
• Recycling and Resource Conservation : Regular recycling promotes resource conservation.

Simple Hypothesis Statement Examples for Kids

Kids often view the world with endless curiosity. Simplified hypotheses allow them to test their surroundings and grasp scientific methods. These Hypothesis for kids statements, tailored for young inquisitors, provide clear cause-and-effect scenarios to foster their learning.

• Ice Melting : Placing ice in the sun will make it melt faster than in the shade.
• Plant Growth : Plants kept near the window grow taller than plants in dark corners.
• Pet’s Activity : Dogs are more active during the day than at night.
• Toy Durability : Soft toys tear more easily than hard plastic toys.
• Sleep Patterns : Going to bed late makes you feel more tired the next morning.
• Food Preference : Cats prefer fish-flavored food over chicken-flavored food.
• Shadow Formation : Standing against the light creates longer shadows during the evening.
• Bubble Size : Using more soap in water creates bigger bubbles.
• Learning Speed : Kids remember rhymes faster with music than without.
• Color Attraction : Brightly colored toys attract more attention than dull-colored ones.

Simple Hypothesis Statement Examples for Research Paper

In academic settings, crafting a straightforward hypothesis helps anchor a research paper, allowing readers to quickly understand the focal point. Here are concise research hypothesis statements ideal for academic exploration.

• Diet and Cholesterol : A Mediterranean diet lowers cholesterol levels more effectively than a Western diet.
• Urban Development : Rapid urbanization leads to increased air pollution.
• Language Acquisition : Immersion learning accelerates second language acquisition compared to classroom learning.
• Climate Change : Increasing global temperatures directly correlate with rising sea levels.
• Digital Learning : Online education reduces classroom engagement levels.
• Consumer Behavior : Discount offers increase sales during festive seasons.
• Migration Patterns : Economic downturns in a region trigger increased migration.
• Environmental Conservation : Protected wildlife zones reduce species extinction rates.
• Cultural Influence : Exposure to global media diminishes local cultural practices.
• Public Health : Regular public health campaigns reduce the spread of infectious diseases.

Simple Hypothesis Statement Examples for Nursing

In nursing, hypotheses aim to shed light on patient care, health outcomes, and the intricacies of the medical field. These focused statements offer directions for nursing research and practice.

• Post-Operative Recovery : Patients with post-operative physiotherapy recover faster than those without.
• Pain Management : Music therapy reduces the need for pain medication in chronic pain patients.
• Infant Care : Skin-to-skin contact immediately after birth strengthens mother-infant bonding.
• Elderly Health : Regular social interactions decrease the onset of dementia in the elderly.
• Disease Awareness : Regular health check-ups reduce late-stage disease diagnoses.
• Mental Health : Group therapy sessions enhance coping mechanisms for depression patients.
• Patient Satisfaction : Nurse-patient ratios are directly proportional to patient satisfaction rates.
• Medication Adherence : Simplified medication regimens increase adherence in elderly patients.
• Diet and Recovery : High protein diets speed up wound healing in hospitalized patients.
• Sleep and Health : Night-shift workers report higher levels of fatigue than day-shift workers.

Simple Hypothesis Statement Examples in Psychology

Psychology delves deep into the human psyche. Simple pyschology hypothesis in this domain assist in understanding behavioral patterns, cognitive functions, and emotional dynamics. Here are statements reflective of common psychological queries.

• Child Behavior : Children exposed to violent media exhibit more aggressive behaviors.
• Memory and Age : Memory recall decreases with advancing age.
• Group Dynamics : Individuals in larger groups are less likely to exhibit helping behaviors.
• Stress and Performance : Moderate levels of stress enhance performance on cognitive tasks.
• Mood and Perception : Positive moods increase the likelihood of optimistic future expectations.
• Learning Styles : Visual learners retain graphic information better than auditory information.
• Emotions and Decision Making : Intense emotions impair rational decision-making processes.
• Peer Pressure : Adolescents are more likely to engage in risk-taking behaviors under peer influence.
• Personality and Career Choices : Introverts are more drawn to independent job roles than extroverts.
• Dream Patterns : Exposure to traumatic events increases the frequency of nightmares.

Simple Hypothesis Statement Examples for Research

Effective research begins with a precise hypothesis. These straightforward declarations guide the investigative journey, providing clarity in discerning outcomes and assessing implications.

• Technology and Employment : Automation in industries leads to a reduction in manual jobs.
• Marketing Techniques : Influencer marketing garners more engagement than traditional advertising.
• Environmental Initiatives : Implementing green technologies reduces corporate carbon footprints.
• Dietary Habits : Vegan diets result in lower carbon footprints than omnivorous diets.
• Economic Policies : Tax breaks for the middle class stimulate economic growth.
• Educational Systems : Student-led learning methods increase long-term knowledge retention.
• Public Policies : Urban green spaces correlate with reduced crime rates.
• Cultural Shifts : Increased global travel promotes intercultural understanding and tolerance.
• Health Trends : Veganism leads to reduced risks of heart-related diseases.
• Digital Consumption : Increased screen time is linked to declining mental well-being.

Simple vs Complex Hypothesis example

When it comes to scientific research, hypotheses play a pivotal role in guiding investigations. At the core, a hypothesis is a statement about a potential relationship between variables, or an explanation of an occurrence, which is testable. Based on their structural and conceptual nature, hypotheses can be categorized into simple and complex.

A simple hypothesis is a statement that explains the relationship between two variables – one independent variable and one dependent variable. Because it explains the expected relationship in the simplest form, it’s straightforward to test.

Example: Drinking caffeine improves short-term memory.

In this example:

• Independent Variable : Caffeine consumption
• Dependent Variable : Short-term memory

Complex Hypothesis

A complex good hypothesis , in contrast, deals with the relationship between two or more independent variables and two or more dependent variables. This means it’s multidimensional and requires more intricate testing procedures.

Example: Consuming caffeine and sugar together improves short-term memory and reaction time better than consuming either alone.

• Independent Variables : Caffeine consumption and sugar consumption
• Dependent Variables : Short-term memory and reaction time

How do you write a Simple hypothesis statement? – A Step by Step Guide

Step 1: identify your research question.

Every hypothesis stems from a research question. For instance, “Does sunlight affect plant growth?” From this, you can create your hypothesis.

Step 2: Determine the Variables

Every hypothesis has two essential variables:

• Independent Variable : The cause or reason. (Sunlight in our example)
• Dependent Variable : The effect or outcome. (Plant growth in our example)

Step 3: Formulate the Relationship

Specify the expected relationship between the independent and dependent variable. It might be a positive correlation, negative correlation, or no correlation.

Step 4: Keep It Testable

Ensure your hypothesis can be tested empirically. It should be specific enough that experiments or observations can prove or disprove it.

Step 5: Write the Statement

Now, construct your statement. For our example, a potential hypothesis might be: Exposing plants to more sunlight will result in faster growth.

Tips for Writing Simple Hypothesis

• Stay Focused : Stick to one specific relationship between an independent and dependent variable. Avoid including multiple causes or effects to keep it simple.
• Be Clear & Concise : Use clear, straightforward language. Avoid jargon unless it’s necessary for specificity.
• Ensure It’s Testable : A hypothesis is only useful if you can test it. Avoid abstract or overly broad statements.
• Base on Existing Research : While your hypothesis will guide new research, it should be grounded in existing theories or observations.
• Avoid Bias : Ensure your hypothesis doesn’t show any personal beliefs or inclinations. It should be neutral.
• Revisit & Refine : After writing, revisit your hypothesis. Does it still align with your research question? Is there a clearer way to phrase it?
• Stay Open to Changes : Based on the results of your tests or experiments, be prepared to change or adjust your hypothesis.

Remember, a hypothesis is an educated guess. It’s not a definitive explanation, but rather a proposed one, and its primary purpose is to guide your research. Whether your hypothesis gets supported or refuted, the insights you gain are invaluable.

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