research question vs research hypothesis

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Research Questions vs Hypothesis: What’s The Difference?

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by  Antony W

July 30, 2024

You’ll need to come up with a research question or a hypothesis to guide your next research project. But what is a hypothesis in the first place? What is the perfect definition for a research question? And, what’s the difference between the two?

In this guide to research questions vs hypothesis, we’ll look at the definition of each component and the difference between the two.

We’ll also look at when a research question and a hypothesis may be useful and provide you with some tips that you can use to come up with hypothesis and research questions that will suit your research topic . 

Let’s get to it.

What’s a Research Question?

We define a research question as the exact question you want to answer on a given topic or research project. Good research questions should be clear and easy to understand, allow for the collection of necessary data, and be specific and relevant to your field of study.

Research questions are part of heuristic research methods, where researchers use personal experiences and observations to understand a research subject. By using such approaches to explore the question, you should be able to provide an analytical justification of why and how you should respond to the question. 

While it’s common for researchers to focus on one question at a time, more complex topics may require two or more questions to cover in-depth.

When is a Research Question Useful? 

A research question may be useful when and if: 

• There isn’t enough previous research on the topic
• You want to report a wider range out of outcome when doing your research project
• You want to conduct a more open ended inquiries 

Perhaps the biggest drawback with research questions is that they tend to researchers in a position to “fish expectations” or excessively manipulate their findings.

Again, research questions sometimes tend to be less specific, and the reason is that there often no sufficient previous research on the questions.

What’s a Hypothesis? 

A hypothesis is a statement you can approve or disapprove. You develop a hypothesis from a research question by changing the question into a statement.

Primarily applied in deductive research, it involves the use of scientific, mathematical, and sociological findings to agree to or write off an assumption.

Researchers use the null approach for statements they can disapprove. They take a hypothesis and add a “not” to it to make it a working null hypothesis.

A null hypothesis is quite common in scientific methods. In this case, you have to formulate a hypothesis, and then conduct an investigation to disapprove the statement.

If you can disapprove the statement, you develop another hypothesis and then repeat the process until you can’t disapprove the statement.

In other words, if a hypothesis is true, then it must have been repeatedly tested and verified.

The consensus among researchers is that, like research questions, a hypothesis should not only be clear and easy to understand but also have a definite focus, answerable, and relevant to your field of study. 

When is a Hypothesis Useful?

A hypothesis may be useful when or if:

• There’s enough previous research on the topic
• You want to test a specific model or a particular theory
• You anticipate a likely outcome in advance 

The drawback to hypothesis as a scientific method is that it can hinder flexibility, or possibly blind a researcher not to see unanticipated results.

Research Question vs Hypothesis: Which One Should Come First 

Researchers use scientific methods to hone on different theories. So if the purpose of the research project were to analyze a concept, a scientific method would be necessary.

Such a case requires coming up with a research question first, followed by a scientific method.

Since a hypothesis is part of a research method, it will come after the research question.

Research Question vs Hypothesis: What’s the Difference? 

The following are the differences between a research question and a hypothesis.

We look at the differences in purpose and structure, writing, as well as conclusion. 

Research Questions vs Hypothesis: Some Useful Advice 

As much as there are differences between hypothesis and research questions, you have to state either one in the introduction and then repeat the same in the conclusion of your research paper.

Whichever element you opt to use, you should clearly demonstrate that you understand your topic, have achieved the goal of your research project, and not swayed a bit in your research process.

If it helps, start and conclude every chapter of your research project by providing additional information on how you’ve or will address the hypothesis or research question.

You should also include the aims and objectives of coming up with the research question or formulating the hypothesis. Doing so will go a long way to demonstrate that you have a strong focus on the research issue at hand. 

Research Questions vs Hypothesis: Conclusion 

If you need help with coming up with research questions, formulating a hypothesis, and completing your research paper writing , feel free to talk to us. 

About the author 

Antony W is a professional writer and coach at Help for Assessment. He spends countless hours every day researching and writing great content filled with expert advice on how to write engaging essays, research papers, and assignments.

Hypothesis vs. Research Question

What's the difference.

Hypothesis and research question are both essential components of the scientific research process, but they serve different purposes. A research question is a broad inquiry that aims to explore a specific topic or problem. It is often open-ended and seeks to gather information and generate knowledge. On the other hand, a hypothesis is a specific statement that predicts the relationship between variables or the outcome of a study. It is based on existing knowledge or theories and is testable through empirical research. While a research question guides the overall direction of a study, a hypothesis provides a more focused and specific prediction that can be tested and validated.

Further Detail

Introduction.

When conducting research, whether in the scientific or social sciences realm, it is essential to have a clear direction and purpose. Two key components that help guide the research process are the hypothesis and research question. While both serve as important tools in formulating and conducting research, they differ in their nature, purpose, and structure. In this article, we will explore the attributes of hypothesis and research question, highlighting their similarities and differences.

A hypothesis is a statement that proposes a relationship between variables or predicts an outcome based on existing knowledge or theories. It is an educated guess or assumption that guides the research process and helps researchers test their theories. Hypotheses are typically formulated in a declarative form, stating the expected relationship or outcome.

One of the key attributes of a hypothesis is that it is testable. This means that it can be empirically examined and either supported or rejected through data analysis. A hypothesis should be specific and precise, clearly defining the variables involved and the expected relationship between them. It should also be falsifiable, meaning that it can be proven wrong if the data does not support it.

Hypotheses are often used in quantitative research, where researchers aim to measure and analyze data to draw conclusions. They provide a framework for designing experiments or surveys and guide the collection and analysis of data. Hypotheses can be either directional, predicting the direction of the relationship between variables, or non-directional, suggesting that a relationship exists without specifying its direction.

For example, in a study examining the effects of exercise on mental health, a directional hypothesis could be: "Increased physical exercise will lead to a decrease in symptoms of anxiety." On the other hand, a non-directional hypothesis could be: "There is a relationship between physical exercise and symptoms of anxiety."

Research Question

A research question, on the other hand, is an inquiry that guides the research process and seeks to explore a specific topic or phenomenon. It is a broad, open-ended question that does not propose a specific relationship or outcome. Research questions are often used in qualitative research, where the focus is on understanding and interpreting social phenomena.

Unlike hypotheses, research questions do not require a definitive answer or prediction. Instead, they aim to explore and generate knowledge about a particular subject. Research questions are often formulated using words like "how," "what," "why," or "in what way," indicating the intention to investigate and understand a phenomenon.

Research questions are typically more flexible and adaptable than hypotheses. They allow researchers to explore multiple perspectives and gather rich, in-depth data. Research questions can evolve and change throughout the research process as new insights emerge. They provide a framework for qualitative data collection methods such as interviews, observations, or focus groups.

For example, in a study exploring the experiences of individuals living with chronic pain, a research question could be: "How do individuals with chronic pain cope with their condition on a daily basis?" This question allows for a comprehensive exploration of coping mechanisms, experiences, and challenges faced by individuals living with chronic pain.

Similarities and Differences

While hypotheses and research questions serve distinct purposes, they also share some similarities. Both hypotheses and research questions are essential components of the research process, providing a clear focus and direction. They both aim to guide the research and generate new knowledge. Additionally, both hypotheses and research questions should be grounded in existing literature and theories, ensuring that the research contributes to the existing body of knowledge.

However, the main difference between hypotheses and research questions lies in their structure and purpose. Hypotheses are more specific and focused, proposing a relationship or outcome that can be tested and analyzed quantitatively. They are often used in experimental or survey-based research designs. On the other hand, research questions are broader and open-ended, allowing for qualitative exploration and interpretation of social phenomena. They are commonly used in qualitative research designs.

Another difference is that hypotheses are often derived from research questions. Researchers start with a research question and then formulate a hypothesis based on existing knowledge and theories. The hypothesis provides a more specific and testable statement that can be examined through data analysis. In this way, hypotheses can be seen as a more refined version of research questions, focusing on a specific aspect of the research topic.

Furthermore, hypotheses are more commonly used in deductive research, where researchers start with a theory and test it through empirical evidence. Research questions, on the other hand, are often used in inductive research, where researchers gather data and generate theories or explanations based on the observed patterns or themes.

It is important to note that both hypotheses and research questions can coexist in a research study. In some cases, a study may have both a research question and a hypothesis. The research question provides a broader context and exploration of the topic, while the hypothesis allows for a more focused investigation of a specific relationship or outcome.

In conclusion, hypotheses and research questions are vital components of the research process, providing guidance and direction. While they share similarities in terms of their contribution to knowledge generation and grounding in existing literature, they differ in their structure, purpose, and application. Hypotheses are specific, testable statements that propose a relationship or outcome, often used in quantitative research. Research questions, on the other hand, are broad, open-ended inquiries that guide qualitative research and aim to explore and understand social phenomena. Both hypotheses and research questions play crucial roles in advancing research and expanding our understanding of the world.

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Home » Education » Difference Between Hypothesis and Research Question

Difference Between Hypothesis and Research Question

Main difference – hypothesis vs research question.

Research question and hypothesis are the foundations of a research study. Formulating the research question or developing the hypothesis can help you to decide on the approach of the research. A research question is the question the research study sets out to answer. Hypothesis is the statement the research study sets out to prove or disprove. The main difference between hypothesis and research question is that hypothesis is predictive in nature whereas research question is inquisitive in nature.

In this article, we’ll discuss,

1. What is a Hypothesis? – Meaning, Features, Characteristics, and Usage

2. What is a Research Question? – Meaning, Features, Characteristics, and Usage

What is a Hypothesis

A hypothesis is a prediction about the relationship between two or more variables. It can be described as an educated guess about what happens in an experiment. Researchers usually tend to use hypotheses when significant knowledge is already available on the subject. The hypothesis is based on this existing knowledge. After the hypothesis is developed, the researcher can develop data, analyze and use them to support or negate the hypothesis.

Not all studies have hypotheses. They are usually used in experimental quantitative research studies. They are useful in testing a specific theory or model.  A complete hypothesis always includes the variables, population and the predicted relationship between the variables. The main disadvantage of hypotheses is that their tendency to blind a researcher to unexpected results. 

What is a Research Question

A research question is the question a research study sets to answer. However, a research study can have more than one research question. The research methodologies , tools used to collect data, etc. all depend on the research question.

Research questions are often used in qualitative research, which seek to answer open-ended questions . But they can also be used in quantitative studies. Research questions can be used instead of hypotheses when there is little previous research on the subject. Research questions allow the researcher to conduct more open-ended queries, and a wide range of results can be reported.

A properly constructed research question should always be clear and concise. It should include the variables, population and the topic being studied.

Hypothesis is a tentative prediction about the relationship between two or more variables.

Research Question is the question a research study sets to answer.

Hypothesis is predictive in nature.

Research Question is inquisitive in nature.

Existing Research

Hypothesis can be used if there is significant knowledge or previous research on this subject.

Research Question can be used if there is little previous research on the subject.

Quantitative vs Qualitative

Hypothesis is mainly used in experimental quantitative studies.

Research Question can be used in both quantitative and qualitative studies.

Hypothesis doesn’t allow a wide range of outcomes.

Research Question allows a wide range of outcomes.

Image Courtesy: 

“Research: Mediterranean Center of Medical Sciences” by  McmScience Mediterranean Center of Medical Sciences   (CC BY 2.0)  via Flickr

About the Author: Hasa

Hasanthi is a seasoned content writer and editor with over 8 years of experience. Armed with a BA degree in English and a knack for digital marketing, she explores her passions for literature, history, culture, and food through her engaging and informative writing.

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Research Hypothesis vs. Research Question: What's the Difference?

Key Differences

Comparison chart, formulation, directionality, relationship to research process, research hypothesis and research question definitions, research hypothesis, research question, what is a research hypothesis, what is a research question, why is a research hypothesis important, how does a research hypothesis differ from a research question, can a study have both a research hypothesis and a research question, what types of research questions are there, what makes a good research question, how do you formulate a research hypothesis, what is a null research hypothesis, how specific should a research hypothesis be, why is a research question important, can a research hypothesis be proven, how broad can a research question be, how do research questions evolve during a study, how do you formulate a research question, how does a research hypothesis guide experimental design, how does a research question influence literature review, what role does a research question play in qualitative research, can a research hypothesis be modified, what happens if a research hypothesis is refuted.

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Research Questions & Hypotheses

Generally, in quantitative studies, reviewers expect hypotheses rather than research questions. However, both research questions and hypotheses serve different purposes and can be beneficial when used together.

Research Questions

Clarify the research’s aim (farrugia et al., 2010).

• Research often begins with an interest in a topic, but a deep understanding of the subject is crucial to formulate an appropriate research question.
• Descriptive: “What factors most influence the academic achievement of senior high school students?”
• Comparative: “What is the performance difference between teaching methods A and B?”
• Relationship-based: “What is the relationship between self-efficacy and academic achievement?”
• Increasing knowledge about a subject can be achieved through systematic literature reviews, in-depth interviews with patients (and proxies), focus groups, and consultations with field experts.
• Some funding bodies, like the Canadian Institute for Health Research, recommend conducting a systematic review or a pilot study before seeking grants for full trials.
• The presence of multiple research questions in a study can complicate the design, statistical analysis, and feasibility.
• It’s advisable to focus on a single primary research question for the study.
• The primary question, clearly stated at the end of a grant proposal’s introduction, usually specifies the study population, intervention, and other relevant factors.
• The FINER criteria underscore aspects that can enhance the chances of a successful research project, including specifying the population of interest, aligning with scientific and public interest, clinical relevance, and contribution to the field, while complying with ethical and national research standards.
• The P ICOT approach is crucial in developing the study’s framework and protocol, influencing inclusion and exclusion criteria and identifying patient groups for inclusion.
• Defining the specific population, intervention, comparator, and outcome helps in selecting the right outcome measurement tool.
• The more precise the population definition and stricter the inclusion and exclusion criteria, the more significant the impact on the interpretation, applicability, and generalizability of the research findings.
• A restricted study population enhances internal validity but may limit the study’s external validity and generalizability to clinical practice.
• A broadly defined study population may better reflect clinical practice but could increase bias and reduce internal validity.
• An inadequately formulated research question can negatively impact study design, potentially leading to ineffective outcomes and affecting publication prospects.

Checklist: Good research questions for social science projects (Panke, 2018)

Research Hypotheses

Present the researcher’s predictions based on specific statements.

• These statements define the research problem or issue and indicate the direction of the researcher’s predictions.
• Formulating the research question and hypothesis from existing data (e.g., a database) can lead to multiple statistical comparisons and potentially spurious findings due to chance.
• The research or clinical hypothesis, derived from the research question, shapes the study’s key elements: sampling strategy, intervention, comparison, and outcome variables.
• Hypotheses can express a single outcome or multiple outcomes.
• After statistical testing, the null hypothesis is either rejected or not rejected based on whether the study’s findings are statistically significant.
• Hypothesis testing helps determine if observed findings are due to true differences and not chance.
• Hypotheses can be 1-sided (specific direction of difference) or 2-sided (presence of a difference without specifying direction).
• 2-sided hypotheses are generally preferred unless there’s a strong justification for a 1-sided hypothesis.
• A solid research hypothesis, informed by a good research question, influences the research design and paves the way for defining clear research objectives.

Types of Research Hypothesis

• In a Y-centered research design, the focus is on the dependent variable (DV) which is specified in the research question. Theories are then used to identify independent variables (IV) and explain their causal relationship with the DV.
• Example: “An increase in teacher-led instructional time (IV) is likely to improve student reading comprehension scores (DV), because extensive guided practice under expert supervision enhances learning retention and skill mastery.”
• Hypothesis Explanation: The dependent variable (student reading comprehension scores) is the focus, and the hypothesis explores how changes in the independent variable (teacher-led instructional time) affect it.
• In X-centered research designs, the independent variable is specified in the research question. Theories are used to determine potential dependent variables and the causal mechanisms at play.
• Example: “Implementing technology-based learning tools (IV) is likely to enhance student engagement in the classroom (DV), because interactive and multimedia content increases student interest and participation.”
• Hypothesis Explanation: The independent variable (technology-based learning tools) is the focus, with the hypothesis exploring its impact on a potential dependent variable (student engagement).
• Probabilistic hypotheses suggest that changes in the independent variable are likely to lead to changes in the dependent variable in a predictable manner, but not with absolute certainty.
• Example: “The more teachers engage in professional development programs (IV), the more their teaching effectiveness (DV) is likely to improve, because continuous training updates pedagogical skills and knowledge.”
• Hypothesis Explanation: This hypothesis implies a probable relationship between the extent of professional development (IV) and teaching effectiveness (DV).
• Deterministic hypotheses state that a specific change in the independent variable will lead to a specific change in the dependent variable, implying a more direct and certain relationship.
• Example: “If the school curriculum changes from traditional lecture-based methods to project-based learning (IV), then student collaboration skills (DV) are expected to improve because project-based learning inherently requires teamwork and peer interaction.”
• Hypothesis Explanation: This hypothesis presumes a direct and definite outcome (improvement in collaboration skills) resulting from a specific change in the teaching method.
• Example : “Students who identify as visual learners will score higher on tests that are presented in a visually rich format compared to tests presented in a text-only format.”
• Explanation : This hypothesis aims to describe the potential difference in test scores between visual learners taking visually rich tests and text-only tests, without implying a direct cause-and-effect relationship.
• Example : “Teaching method A will improve student performance more than method B.”
• Explanation : This hypothesis compares the effectiveness of two different teaching methods, suggesting that one will lead to better student performance than the other. It implies a direct comparison but does not necessarily establish a causal mechanism.
• Example : “Students with higher self-efficacy will show higher levels of academic achievement.”
• Explanation : This hypothesis predicts a relationship between the variable of self-efficacy and academic achievement. Unlike a causal hypothesis, it does not necessarily suggest that one variable causes changes in the other, but rather that they are related in some way.

Tips for developing research questions and hypotheses for research studies

• Perform a systematic literature review (if one has not been done) to increase knowledge and familiarity with the topic and to assist with research development.
• Learn about current trends and technological advances on the topic.
• Seek careful input from experts, mentors, colleagues, and collaborators to refine your research question as this will aid in developing the research question and guide the research study.
• Use the FINER criteria in the development of the research question.
• Ensure that the research question follows PICOT format.
• Develop a research hypothesis from the research question.
• Ensure that the research question and objectives are answerable, feasible, and clinically relevant.

If your research hypotheses are derived from your research questions, particularly when multiple hypotheses address a single question, it’s recommended to use both research questions and hypotheses. However, if this isn’t the case, using hypotheses over research questions is advised. It’s important to note these are general guidelines, not strict rules. If you opt not to use hypotheses, consult with your supervisor for the best approach.

Farrugia, P., Petrisor, B. A., Farrokhyar, F., & Bhandari, M. (2010). Practical tips for surgical research: Research questions, hypotheses and objectives.  Canadian journal of surgery. Journal canadien de chirurgie ,  53 (4), 278–281.

Hulley, S. B., Cummings, S. R., Browner, W. S., Grady, D., & Newman, T. B. (2007). Designing clinical research. Philadelphia.

Panke, D. (2018). Research design & method selection: Making good choices in the social sciences.  Research Design & Method Selection , 1-368.

Research Question vs Hypothesis: Understanding the Core Differences

Navigating the world of research can sometimes feel like trying to find your way through a labyrinth. Two terms that often trip up budding researchers are the research question and the hypothesis.

They may seem similar at first glance, but they serve distinct purposes in the research process.

Let's break down their differences and see how each plays a unique role in scientific inquiry.

What is a Research Question?

A research question is essentially the backbone of your study. It's what you're setting out to explore and understand. Think of it as the guiding star that keeps your research focused and on track. But what makes a good research question?

Characteristics of a Good Research Question

Original and Interesting: Your question should spark curiosity not just in you but also in the wider research community.

Clear and Focused: It needs to be specific enough to be comprehensible and narrow enough to be answerable. A question that's too broad can overwhelm you, while one that's too narrow might not provide enough material for comprehensive study.

Researchable: The question must be practical in terms of the time and resources you have at your disposal.

Analytical: It should allow you to delve into an analysis of a problem rather than just describe it. This means it can't be answered with a simple "yes" or "no."

For example, instead of asking, "How do social media platforms affect mental health?" which is too broad, you could ask, "What effect do Instagram filters have on the self-esteem of teenagers aged 13-18?"

What is a Hypothesis?

A hypothesis , on the other hand, is a tentative answer to your research question. It's a statement that you can test through experimentation or observation. Think of it as an educated guess based on existing knowledge and preliminary research.

Characteristics of a Good Hypothesis

Testable: You should be able to design an experiment or study to test whether your hypothesis is true or false.

Falsifiable: It must be possible to prove the hypothesis wrong. If a hypothesis can't be disproved, it's not scientifically useful.

Specific: Like a research question, a good hypothesis is clear and focused. It should define the variables and the expected relationship between them.

For instance, if your research question is about the effect of Instagram filters on teenagers' self-esteem, your hypothesis could be, "Teenagers who use Instagram filters will have lower self-esteem compared to those who do not."

Research Question vs Hypothesis: The Key Differences

Research Question: Guides your study and defines what you are trying to find out.

Hypothesis: Provides a tentative answer to your research question that you can test.

Formulation

Research Question: Usually formulated as a question that needs investigation.

Hypothesis: Formulated as a statement predicting the outcome of your research.

Research Question: Broader in scope; it sets the stage for the research.

Hypothesis: Narrower in scope; it focuses on specific variables and their relationships.

How They Work Together

The research question and hypothesis are not mutually exclusive; they complement each other. The research question sets the direction of your study, outlining what you aim to discover. The hypothesis then narrows this focus, providing a specific statement that you can test to answer your research question.

Let's bring this home with an example . Suppose you're interested in the impact of sleep on academic performance.

Research Question: How does the amount of sleep affect the academic performance of high school students?

Hypothesis: High school students who sleep for at least 8 hours a night will have higher academic performance compared to those who sleep less than 8 hours.

Q: Can I have a research question without a hypothesis? A: Yes, some qualitative studies may not require a hypothesis, but having one helps provide a clear focus for your research.

Q: Should my research question be broad or narrow? A: It should be narrow enough to be answerable but broad enough to allow for comprehensive investigation.

Q: Can a hypothesis be proven true? A: In science, a hypothesis is never proven true; it is either supported or not supported by the data.

Understanding the differences between a research question and a hypothesis is crucial for anyone venturing into the world of research. While the research question sets the stage for what you aim to explore, the hypothesis provides a specific, testable prediction. Together, they form the backbone of any rigorous scientific inquiry. So, the next time you embark on a research project, make sure you have both a clear research question and a well-defined hypothesis to guide you through your academic journey.

10 Significant Differences Between Research Question vs Research Hypothesis

Stating, developing and addressing a research question and developing & justifying the research hypothesis has vital significance in the research process. Both help researchers to approach PhD/research/ projects. 

“Research” is a word important for PhD which includes complex processes of finding new knowledge. A PhD candidate has to prepare a project & research proposal, identify a research gap , state a question, prepare a hypothesis and then do research. 

It includes tedious pre-preparation, lucrative research and frustrating post-preparations phases. So overall the research process though is inquisitive but can be managed by discipline and zero date planning. 

So to prepare for PhD, do it with ease and complete it joyfully; one has to understand every element correctly before starting their research. And for that tons and tons of articles and previous research must be read first. 

In addition, as we talked about, precisely identified research problem helps in stating an excellent research question or research hypothesis. Notwithstanding, students usually don’t understand what a research question or hypothesis is! 

The present blog content will focus on differences between research question and hypothesis and may let you understand what each term is. I hope this article will help you learn the PhD research process more accurately. 

Stay tuned,

Research question:  Does this article explain some common differences between a research question and a research hypothesis?

Research hypothesis:  This article explains the major differences between the research question and the research hypothesis. 

What is a research question?- Simple explanation

Put simply, a research question is a clear and concise question of the study that must be answered at the end. The answer usually is Yes/No type but clearly fills the gap. 

Example of research question: 

Let’s take an example, 

What are some common problems the LGBT community faces globally? 

Suppose, this one is one research question around which the researcher has to prepare its study. What can he or she do with this topic? 

• Conduct gatherings of the community. 
• Conduct one on one interviews. 
• Conduct News sessions 
• Study previous literature. 
• Organize some Games and invite LGBT community people to take part. 

That’s it, Nothing else he or she can do.  

No statistical analysis is required and performed for this study so the outcome of this study possibly is “problems”. And it can be solved, perhaps. Note that in-depth mathematical models, statistical analysis and other scientific studies aren’t required here. 

Some other examples of research questions are: 

• What are the side effects of social media addiction on youth? 
• What are the factors that negatively impact the mental health of US people? 
• How effective carbon emission control strategies are? 

Now let’s understand the research hypothesis. 

What is a research hypothesis?- Simpler explanation

A research hypothesis is postulated in order to predict the results either negative or positive. Notedly is used so often in scientific, experimental and quantitative research.

The research hypothesis is a predictive model for getting results.  

Example of research hypothesis: 

Let’s take an example, 

The effect of time and temperature on biological sample transportation.

This study includes exclusive statistical analysis and data-driven studies to investigate the effect of various temperatures and times on biological specimen transportation. 

 Outcomes of the study will prove that at which temperature a biological sample can be safely transported. 

The outcomes are, 

• Statistics 
• The temperature which isn’t good 
• The temperature which has is best
• The tolerable zone for transportation

To interpret these kinds of results in-depth mathematical models, statistical analysis, scientific experiments and other biological studies are needed. 

Some of the examples of research hypotheses: 

• The effect of time and temperature on biological sample transportation. 
• Effect of various doses of antiviral Oseltamivir drug against viral pathogenicity. 
• Various global warming agents and their impact.  

I think you get a brief idea about how each term is different. Some of the technical differences between the research question and hypothesis are explained here. 

Differences between research question and research hypothesis: 

A research question is developed depending upon the problem or gap identified while the hypothesis is prepared based on the existing knowledge. 

More than one research question is present in a single study, while the entire research is developed around a single hypothesis that is either proven or disproven at last. 

In-depth knowledge of the subject and huge data or research studies are required to state a research hypothesis; whereas the research question can be stated using a small group of research data or knowledge. 

This indicates that the relatedness among different variables is pretty uncertain for the research question while is highly related in the case of hypothesis. 

A research question is “brief” yet includes all the important information and is open to debate which typically gives an excellent varied degree of output. 

On the other hand, the research hypothesis is a kind of formal statement- (will be proved or disproved) which assumes the relatedness between two or more variables selected for the study. 

For example,

The number of patients, population size, sample type or method selected for the study. 

Both- qualitative and quantitative studies rely on the research question, however, the hypothesis can be postulated mostly for the quantitative or experimental studies. 

Depending upon the nature of the study, the research questions are of three various types which are casual, descriptive and comparative questions while the hypotheses are causal, null, directional or non-directional. 

A thesis question must be answered; A hypothesis must be tested. 

The research question is more an elaborative research term while the hypothesis is more scientific and predictive in nature. 

Henceforth, research questions are usually used in elaborate studies in subjects such as language, arts and literature. And as we said, that’s pretty straightforward. 

The impact of the “Macbeth play” on European people. 

On the other hand, the research hypothesis is based on possibilities and probabilities whose final results either or neither prove the study and therefore include a purely scientific explanation, mathematics, equations and statistical analysis. 

Studies in science, biology and sociology rely on hypotheses (that must be tested first). 

For example, the impact of temperature and time duration on sample transportation and storage. 

Summary: research question vs hypothesis: 

Wrapping up: .

If you are designing scientific research for your PhD, perhaps stating a hypothesis may help you more, although you can raise a question as well to investigate the knowledge. 

Research, as I said, is a complex process, needs the experience to design. 

Early learning may pretty helpful for students to understand the thing well. And hence this article and series of articles on this blog are meant for PhD students. 

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Dr Tushar Chauhan

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Research Question vs Hypothesis: Difference and Comparison

This kind of research is called a research paper and includes various headings that are related to the given topic.

Key Takeaways A research question is a broad inquiry into a topic, while a hypothesis is a statement that explains a phenomenon. Research questions are open-ended and exploratory, while hypotheses are specific and testable. Research questions are used in qualitative research, while hypotheses are used in quantitative research.

 Research Question vs Hypothesis

The difference between Research Question and Hypothesis is that the research question is the question whose answer needs to be found through the research paper, whereas a hypothesis is an assertion that either approves or negates the matter in question. The two also differ in their structure, aim, nature, and so on.

The research question poses a question that is then to be solved or answered through the research paper. Since it puts forth a question, it is inquisitive.

Hypothesis, on the other hand, is an assumption on the possibility or impossibility of the task in question. It is a prediction of what the results of the research might yield.

Comparison Table

What is research question.

The research question is the question that forms the basis of the research. It is to find the answer to this question that one embarks on the journey of analyzing and researching a particular topic.

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It can be incorporated in studies that are quantitative as well as qualitative. The research question should be concise and to the point.

The research question should be put forth or presented at the very beginning of the research study to give an idea about the topic and the answers it aims to find.

The format used to write it is that of posing a proper question. Depending on the subject, there are various methods using which one needs to frame the research question.

What is Hypothesis?

Hypothesis is a statement that suggests or predicts the outcome of the research. It predicts how a certain thing or project will pan out or behave. 

The hypothesis is mostly used in experimental and quantitative research and studies.  It is used in scientific experiments and projects, and it can also be used in other fields such as mathematics, sociology, etc.

A hypothesis can be written or derived when ample research is conducted on a specific topic or the topic in question.

Since a hypothesis is a predictive statement, it does not allow for the possibility of multiple outcomes. It leaves very little space for diversified results.

Main Differences Between Research Question and Hypothesis

• A research question allows for the possibility of multiple and varied results. On the other hand, the hypothesis does not provide a multitude of possibilities.
• A research question is inquisitive since it puts forth a question, whereas a hypothesis is predictive as it assumes the experiment’s outcome or result based on prior studies.

• https://www.researchgate.net/profile/Inga-Jenset/publication/313876542_Linking_practice_to_theory_in_teacher_education_Teacher_candidates’_opportunities_to_talk_about_field_experiences/links/58ad822d45851503be91af6f/Linking-practice-to-theory-in-teacher-education-Teacher-candidates-opportunities-to-talk-about-field-experiences.pdf
• https://academicjournals.org/journal/IJEAPS/article-abstract/334464E40792

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19 Comments

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How Does a Hypothesis Differ From a Research Question?

To understand the difference between a hypothesis and a research question , we must first define the exact nature of scientific inquiry . Essentially, scientific inquiry represents a structured and systematic approach to exploration and discovery, grounded in empirical evidence and guided by the principles of logical reasoning and critical analysis. At the heart of scientific inquiry lies a fundamental commitment to unbiased observation and the rigorous assessment of information, a process that seeks to generate verifiable knowledge based on well-founded theories and methodological robustness.

A pivotal facet of successful scientific investigation is the appropriate framing of research, which serves to delineate the scope and direction of the scholarly endeavor. The meticulous articulation of research parameters not only guides investigators in the methodical exploration of a particular phenomenon but also ensures the reliability and validity of the findings derived from it. Correctly framing a research endeavor equips scholars with a clear framework, thereby preventing research ambiguities and facilitating a coherent and purposeful investigative journey.

Central to the framing of research are two interrelated yet distinct elements: the research question and the hypothesis. While the research question generally articulates the primary inquiry or set of inquiries to be addressed in a study, offering a focal point for the exploration, a hypothesis presents a tentative, testable prediction regarding the expected outcomes of the research. It is grounded in the existing literature and theoretical frameworks, serving as a provisional answer to the research question that is subject to empirical verification.

In essence, a research question seeks to identify and explore potential relationships, patterns, or trends, fostering a deep understanding of the underlying phenomena. In contrast, a hypothesis endeavors to affirm or refute predetermined assumptions through methodical testing and validation, aiming to substantiate or discredit specific theoretical postulates.

To correctly formulate and differentiate between research questions and hypotheses, let us investigate each one in further detail.

Understanding hypotheses

Crafting a well-defined hypothesis is a pivotal step in scholarly research. This task necessitates a profound grasp of the subject matter alongside a comprehensive awareness of existing scholarly dialogues and theories relevant to the topic. The hypothesis acts as a foundational pillar that directs the analytical pathways of the investigation, anchoring the exploration with grounded expectations based on existing knowledge.

In the formulation of a hypothesis, researchers must adhere to vital principles to ensure the creation of a substantial and verifiable statement. A robust hypothesis is delineated by several attributes, including precision, testability, and a congruent alignment with established research and theories. Moreover, it is formulated to facilitate empirical substantiation, aiming to either confirm or refute the established propositions through systematic investigation.

To deepen our comprehension of a hypothesis, let us examine some examples in different research contexts, illustrating how a hypothesis can shape and steer a study:

• Individuals between the ages of 40 and 60 who engage in regular physical activity are less likely to develop heart diseases than those who do not.
• Adolescents who experience traumatic events during the COVID-19 pandemic have a higher prevalence of mental health issues than those who do not.
• Remote learning hampers the development of social skills in elementary school students more than traditional classroom learning does.
• Implementing multicultural education strategies diminishes the achievement gap in multicultural classrooms.
• Marine ecosystems that experience high levels of plastic pollution exhibit a substantial reduction in biodiversity.
• Urbanization leads to a significant decrease in biodiversity in metropolitan areas due to habitat loss.
• Voting behavior in urban communities is significantly influenced by the socioeconomic status of the individuals.
• The prevalent use of social media significantly influences the formation of societal norms and behaviors in contemporary society.
• The integration of artificial intelligence in manufacturing elevates efficiency and productivity.
• An increased dependence on digital platforms compromises personal privacy and heightens the risk of data security breaches.

Each of these hypothesis examples is constructed to offer focused and testable propositions, rooted in contemporary concerns, creating a pathway for empirical verification and the generation of data-driven insights.

Understanding research questions

A critical first step in any research endeavor is the formulation of a research question, a task that requires a deep understanding of both the topic at hand and the existing scholarly landscape surrounding it. The research question serves as the beacon that guides the trajectory of the investigation, providing a focal point that centers the research activities and objectives.

In constructing a research question, scholars must be guided by certain key principles to ensure that their inquiry is both meaningful and fruitful. A well-framed research question is characterized by clarity, specificity, and a sensible alignment with existing research, which aids in building upon established foundations to foster novel insights within its scholarly domain.

To further understand the concept of research questions, let us consider some concrete examples from various fields that illustrate how a well-articulated research question can guide a research project:

• How does lifestyle affect the risk of heart disease in adults aged 40-60?
• What impact has the COVID-19 pandemic had on mental health outcomes in adolescents?
• How does remote learning impact the academic performance and social skills of elementary school students?
• What strategies can be employed to reduce the achievement gap in multicultural classrooms?
• What are the effects of plastic waste on marine ecosystems?
• How does urbanization impact biodiversity in metropolitan regions?
• How do socioeconomic factors influence voting behavior in urban communities?
• What role does social media play in shaping contemporary societal norms and behaviors?
• How does the implementation of artificial intelligence in manufacturing enhance efficiency and productivity?
• What are the implications of increasing reliance on digital platforms for personal privacy and data security?

Each of these research question examples not only maintains a clear focus on a specific topic but also stands grounded in current concerns, thereby paving the way for empirical exploration and data-driven conclusions.

Key differences between a hypothesis and a research question

In scholarly research, it is imperative to differentiate clearly between a hypothesis and a research question. The following table delineates the comparative aspects of both concepts:

When to use which

The decision to use a hypothesis or a research question largely hinges on the nature and objectives of the study. Essentially, researchers delineate between exploratory and confirmatory research . The former seeks to explore new phenomena and generate new insights, while the latter aims to verify existing theories and hypotheses. Understanding the correct circumstance for employing either a research question or a hypothesis can significantly streamline the research process, directing it towards more targeted conclusions. Let's delve into the specific situations where one may be more appropriate over the other.

Situations where a hypothesis is more appropriate

• Confirmatory Research: When the research is grounded in existing theories and seeks to validate or invalidate a specific claim or relationship.
• Quantitative Studies: In research designs that predominantly involve statistical analysis of numerical data to address the research problem.
• Experimental Research: Where controlled experiments are conducted to explore the causal relationships between different variables.
• Deductive Approaches: When the research follows a deductive approach , deriving a specific prediction from a general theory.

Situations where a research question is more appropriate

• Exploratory Research: In studies aiming to explore a new field or topic without much existing literature or established theories.
• Qualitative Research: When the study involves analyzing non-numerical data such as texts, interviews, or observational data to garner insights.
• Pilot Studies: Preliminary studies that aim to identify potential issues and refine research tools before a large-scale study.
• Inductive Approaches: Research approaches that work from specific observations to broader generalizations, aiming to develop new theories.

The interrelation between hypotheses and research questions

Understanding how a research question can give rise to hypotheses.

In scholarly inquiries, the formation of a hypothesis often finds its genesis in a well-articulated research question. This dynamic represents a pivotal juncture in research methodology, facilitating a transition from questioning to hypothesizing and setting the stage for focused analytical scrutiny. Leveraging the exploratory nature of research questions can foster the formulation of grounded hypotheses, guiding the investigative trajectory towards evidence-based conclusions.

Indeed, a well-structured research question can give rise to a series of hypotheses, each presenting a plausible answer to the research question and serving as a focal point for systematic investigation. This correlation facilitates a scaffolded approach to exploration, where researchers can build a layered understanding through a structured inquiry process.

Can a hypothesis transform into a research question?

This iterative process we have described can be envisioned as a cyclic pathway rather than a linear trajectory, wherein hypotheses, once tested and analyzed, can refine or even reformulate the initial research questions. This reflexive relationship fosters a deepened understanding and a more nuanced exploration of the research topic at hand.

To illustrate, consider a research question in the field of healthcare: "What are the primary factors influencing sleep quality in adults?" From this question, a researcher might derive several hypotheses, such as "Adults who engage in regular physical activity experience better sleep quality than those who do not." Once this hypothesis is tested, the findings could lead to further questions, fine-tuning the initial research query to delve into specific age groups, lifestyle factors, or physiological aspects, thereby perpetuating a cycle of inquiry that propels the research into deeper and more focused directions.

Research questions serve as the launchpad for scientific exploration, fostering a direction and scope that steer investigations towards relevant and focused pathways. Conversely, hypotheses act as tentative answers to these research questions, laying a grounded foundation for systematic investigations and guiding the trajectory towards evidence-based conclusions.

Selecting the right approach—whether formulating a hypothesis or crafting a research question—is not merely a procedural choice; it is a strategic decision that significantly influences the outcome of the investigation. Recognizing the interdependent and reflexive relationship between the two can foster a more robust and nuanced approach to scientific inquiry.

By embracing the cyclic pathway that intertwines questioning with hypothesizing, researchers can unlock deeper levels of understanding, paving the way for profound discoveries enriched with insight. Remember, the quality of the answers we obtain is invariably linked to the quality of the questions we ask and the hypotheses we formulate.

Header image by Luke Tanis .