Final answer:
An interview is a qualitative research technique in which researchers ask questions, listen to and record answers, and pose additional questions to clarify or expand on a particular issue.
Step-by-step explanation:
An interview is a qualitative research technique in which trained researchers ask questions, listen to and record the answers, and then pose additional questions to clarify or expand on a particular issue. In an interview, participants are free to respond as they wish, without being limited by predetermined choices. The back-and-forth conversation of an interview allows researchers to ask for clarification and delve deeper into complex topics.