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This page provides an overview on diverse facets of Interview methodology.

How to find the right Interview method

You may have decided that you want to ask people things for your research, but you don't quite know which approach to choose.

We thought about this, and we decided that in the end, it comes down to two things:

  • Do you want qualitative or quantitative insights?
    • Qualitative means that you plan to go into depth with fewer individuals, and understand their worldviews. Qualiltative Interviews lead to results that are hard to compare, but can be of great help when a topic shall be openly and inductively investigated.
    • Quantitative means that you are interested in larger numbers of responses which you can calculate with, or in gathering quantitative responses right away, e.g. on a Likert Scale. Quantitative Interviews typically lead to more comparable results, and are often useful for more deductive approaches when your theoretical assumptions are clear.
  • Do you want interactive or non-interactive Interviews?
    • Interactive means that you maintain control over the Interview conduction, with pre-determined questions and a strong impact on the questions that individuals respond to.
    • Non-interactive means that you rather observe and listen. You have some things you are interested in, but you also want to let the Interviewees speak freely.

If you can decide on these two questions, choose the appropriate Interview method from the following table. You can also have a quick look into the respective entry to check if this is really what you are looking for.

Interview Method Short description Qualitative or Quantitative? Interactive or non-interactive?
Open Interview Open, unstructured conversations with individuals Qualitative Non-interactive
Narrative Interview Open Interviews with a focus on the creation of narratives through the Interviewee Qualitative Non-interactive
Ethnographic Interview Open Interviews conducted in the field during Ethnographic Research Qualitative Non-interactive
Focus Groups Group discussions with a focus on the participants’ viewpoints and group interaction and dynamics. Qualitative Interactive
Semi-structured Interview Loosely pre-structured conversations with Interviewees. Quantitative & Qualitative Interactive
Structured Interview Strongly pre-structured conversations with Interviewees. Quantitative Interactive
Questionnaire Written documents used to gather responses from pre-determined options. Quantitative Interactive

What you need to know for your Interview research

After choosing an appropriate method, there are a few things to consider.
We created the following diagram to show you which other Wiki entries we think you should read when you plan to conduct research based on one of the Interview methods. These entries will help you get a better overview of what is important to your research, and will hopefully help you design and shape your methodological approach. The diagram is clickable - just choose a topic that you are interested in!

  • The left area shows the different types of Interviews. Select one and follow the respective arrows to the right.
  • The central area shows you methods of data analysis that are relevant for the respective Interview methods.
  • The yellow boxes highlights aspects of normativity that you should pay attention to.
Focus Groups Open Interview Ethnographic Interview Narrative Interview Semi-structured Interview Structured Interviews Questionnaires Interview Transcription Grounded Theory Qualitative Content Analysis Quantitative Content Analysis Linguistic Statistics for Surveys Bias in Interviews Sampling for Interviews Univariate Statistics Multivariate Statistics Deductive research Inductive ResearchInterview Level 2 Sankey.png
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