Howell and Nolet (2000) offer the following as a set of interview questions for use in cases where you follow up (p. 501):
Follow-up question: Why?
Does your (name, subject of class) teacher usually supply vague expectations or clear expectations?
Follow-up: Why?
What does your (name, subject of class) teacher say to let you know whether s/he is mainly responsible for your learning or whether you are responsible?
Follow-up: Why?
What does your (name, subject of class) teacher do to let you know whether s/he thinks high grades or learning is most important?
If something seems uninteresting to you, do you study it anyhow, try to get interested in it, or avoid studying it?
Follow-up: Why?
When you run into something that seems hard, what does your (name, subject of class) teacher do?
Follow-up: Why?
What does your (name, subject of class) teacher do that might help make you feel you don’t belong, or that you do belong?