If you plan to quote your interview subject in writing, it is a bad idea to provide him or her with a list of questions a day or two ahead of time.

Question

Quizplus · Accepted Answer

Unless you plan on using hostile "ambush" questions to catch your subject being untruthful or inconsistent, there is nothing wrong with providing questions ahead of time. That said, your interview may turn out to be more spontaneous if your subject is hearing the questions for the first time when you ask them.

If You Plan to Quote Your Interview Subject in Writing