p. Ask only one question at a time, allowing for a response after each question.
Avoid asking questions, which may be difficult to remember in their entirety (for
example, "Would you say the pain has been constant, intermittent, has occurred about
once a day, or has occurred only once or twice in all?"). Avoid asking two-part
questions in which, by the time the interviewee has answered the first part, he may have
forgotten the second part (for example, "How did the accident happen, and can you
describe the pain you have experienced as a result?").
q. Close the interview with a brief summary or review of what took place. Ask
the interviewee if there is anything he would like to add or if he has any questions. Let
him know of any follow-up activities that might be taking place. If you wish, you may
want to invite the interviewee to contact you if he has any further questions. And, of
course, thank him for his cooperation.