How can the ef icacy of an interview be judged? The plausibility, reasonableness, and coherence of answers. The internal consistency of answers. The specificity and detail of answers. Correspondence...

How can the ef icacy of an interview be judged? The plausibility, reasonableness, and coherence of answers. The internal consistency of answers. The specificity and detail of answers. Correspondence to known facts. Firsthand familiarity of the interviewee with the facts described. The interviewee’s motivation, bias, and position. Reasons that the interviewee might withhold information. The self-critical nature of the interviewee.