Interview two people about their exercise behavior. In one interview, try to use a semi-structured approach by preparing questions ahead of time and trying to have the respondent complete answers for these questions. With the other, try a conversational approach.
What are the main themes that emerge in each?
Which approach do you think was more insightful?
Do you think there were any "sensitive" topics that a respondent was not completely forthcoming about? their cost is now very ambiguese.