questions should be concrete and immediate-not "How often do you use the library?" but "When was your last visit to the library before today?"; not "What do use the library for?" but "What are you seeking on this visit?"
questions should be concrete and immediate-not "How often do you use the library?" but "When was your last visit to the library before today?"; not "What do use the library for?" but "What are you seeking on this visit?"