Interviewer bias | Article about interviewer bias by The Free Dictionary
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interviewer bias the BIAS which may be introduced into social-research findings when the social background (e.g. social class, ethnic background or gender) of an interviewer affects the response made at an interview. For example, as well as a mistrust or lack of rapport between an interviewer and an interviewee, there may exist over-rapport, in which an interviewer relates to the interviewee as if certain responses can be taken for granted, thus distorting outcomes.