Individual interviews involve
a. several people asking the same person the same questions over a period of time to check for answer reliability.
b. asking respondents in a shopping mall to fill out a brief survey.
c. a single researcher asking questions of one respondent.
d. having the interviewee talk about specific aspects of a product or service using a video camera in his/her natural use environment.
e. a panel of respondents participating in a guided discussion led by an experienced moderator.
Answer: c. a single researcher asking questions of one respondent.