Choosing the right research method is a crucial step in writing a thesis. Using the right method not only affects the quality of the research, but also the credibility and scientific value of the thesis. In this article, we will present in detail the most common research methods, their advantages and areas of application, and provide useful advice on choosing them.
✅ 1. Questionnaire research: fast and extensive data collection
Questionnaire research is the most common method used in dissertations, especially in the social sciences and economics. It allows for the rapid and cost-effective collection of large amounts of data. Questionnaires can be easily created and distributed using online platforms such as Google Forms or SurveyMonkey.
Advantages:
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Achieving a broad sample.
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Automated data collection and processing.
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Cost-effective solution.
Disadvantages:
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Lack of motivation among respondents may distort the results.
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Question wording and sample selection are critical to validity.
Tips:
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Test the questionnaire on a small group before finalizing it.
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Use mixed question types (e.g., closed, scaled, open) for richer data.
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Make sure the questions are phrased clearly and unambiguously.
✅ 2. In-depth interview: deeper understanding and personal experiences
In-depth interviews are a qualitative research method that allows for a deeper understanding of the phenomenon being researched through face-to-face conversations. This is especially useful when the research aims to answer „why” questions, such as examining consumer behavior or organizational culture.
Advantages:
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Collect detailed and personalized information.
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Opportunity to gain a deeper understanding of respondents' motivations and opinions.
Disadvantages:
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Time-consuming data collection and processing.
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The subjective influence of the researcher may affect the results.
Tips:
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Prepare a structured interview outline in advance, but leave room for spontaneous questions.
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Create a confidential atmosphere for respondents.
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Record interviews (with permission) so you can accurately recall answers.
✅ 3. Experimental research: examining cause-and-effect relationships
Experimental research is a quantitative method that allows the investigation of cause-and-effect relationships in a controlled environment. It is particularly useful in scientific and psychological research, where precise determination of relationships between variables is required.
Advantages:
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Precisely measurable and verifiable results.
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Possibility to explore direct relationships between variables.
Disadvantages:
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High cost and resource requirements.
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Ethical and practical limitations in application in real-world settings.
Tips:
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Form a control group alongside the experimental group.
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Document in detail the experimental conditions and methods used.
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Consult with experts to clarify ethical issues.
✅ 4. Observation: data collection in a natural environment
The observation method allows the phenomenon under study to be studied in its natural setting, without the researcher directly intervening. This is particularly useful in sociological and anthropological research, where the context and environment of behavior are crucial.
Advantages:
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Data collection in a real environment.
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Observation of natural manifestations of the phenomenon being researched.
Disadvantages:
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The researcher's subjective interpretation may influence the results.
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Ethical issues may arise when conducting research without the consent of the individuals being observed.
Tips:
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Use structured observation notes to collect data regularly.
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Respect the ethical standards of research and the rights of the subjects being observed.
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Use combined observation techniques (e.g. participant and non-participant observation) for richer data.
✅ 5. Document analysis: evaluation of existing materials
Document analysis is the process of obtaining data by analyzing existing written materials, such as books, articles, reports, or official documents. It is particularly useful in historical, legal, or political science research, where the goal is to understand past events and decisions.
Advantages:
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Access to existing, often difficult-to-access data.
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Time and cost-effective method.
Disadvantages:
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Existing materials may bias the results of the research.
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The authenticity and reliability of the documents may be questionable.
Tips:
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Apply critical analysis techniques when evaluating documents.
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Check the authenticity and reliability of sources.
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Combine document analysis with other research methods for richer data.
✅ 6. Combined research methods: integrating quantitative and qualitative data
Mixed methods research involves the combined use of quantitative (quantifiable) and qualitative (interpretive, descriptive) data collection and analysis techniques. This approach allows the researcher to examine a given topic from multiple perspectives and reach more reliable, multifaceted conclusions.
Advantages:
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It provides a more comprehensive and detailed picture of the phenomenon under study.
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A quantitative data can confirm the qualitative results – and vice versa.
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Increases research validity and reliability.
Disadvantages:
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Data collection and analysis are more time and labor intensive.
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It involves more complex methodological and structuring tasks.
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It is more difficult to incorporate different types of data into a unified narrative.
Tips:
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The combination is only justified if it truly adds value.
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Plan ahead: when, in what order, and for what purpose you will use each method.
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Do not treat the two methods separately, but integratedly interpret the results.
➕ +1: How to choose a research method? – Decision-making considerations
Choosing a research method is not just a technical decision – the thesis the key to its success. Consider the following points:
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What is the purpose of the research? (e.g. exploration, description, comparison, testing)
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What questions do you have? („What is it?”, „Why?”, „How?”, „What effect does it have?”)
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What do you have access to? (e.g. respondents, data, interviewees)
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How much time and resources do you have?
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What kind of literary background do you work with? (Is there any similar research?)
TIP: Talk to your consultant right from the start! An experienced trainer will often draw your attention to aspects that may not even occur to you at first.
Summary: A good method is half the battle
A thesis is not just a written work, but a scientific project, the backbone of which is the chosen research method. This determines how you collect, analyze, and interpret data—in other words, how convincing and well-founded your work will be.
If you make a conscious choice and assess your goals, opportunities, and limitations, the method will not hinder you, but rather help you. his/her engine will be the success of your thesis.
If you feel that you need help at any point in writing your thesis and would like to submit professional material, send me an email, call me or find me on the korrepkristóf Facebook page.
Kristof Molnar
Mobile: +36 30 335 9094
Email: korrepcristof@gmail.com
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