"What is your opinion of Kanban?"

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g. In a thesis, 5-10 questions are usually sufficient. Reading tip: Putting forward theses conducting the expert interview The interview is best conducted in person, otherwise by telephone or Skype. You need to prepare a questionnaire with 5 - 15 questions. You go through this one by one and take notes or, better yet, record the interview. It may be a good idea to draw up a data protection agreement for this.


Don't forget to introduce yourself briefly before the interview. You can choose malta phone number resource whether to send the questionnaire beforehand or not. Spontaneous answers are often better, or most experts are very busy and don't look at it anyway. Tip: Don’t forget to clearly limit your methodology. How many people should I interview? This is a good question and the general rule is: the more people you ask, the more meaningful the results are. My tip is that you ask yourself after each interview: how significantly have the results changed since the last interview.


For example, if the 5th participant tells you that agile methods in IT are great for digitization, then you can actually stop asking more experts this question. To do this, add the following sentence to your work: 5 participants were interviewed. According to Wilde and Hess (2006), the saturation criterion of a research method is reached when no significantly new findings have been obtained after a certain number of participants after one iteration. After evaluating the interview results, no significantly new findings could be identified in the last 2 iterations.