Results indicated that both objective evidence and nonverbal behaviors significantly affected perceived expertness. There was no difference in the credibility ratings of the counselor between male and female subjects. Objective evidence and sex interacted significantly, as did objective evidence and nonverbal behavior. (Author)

Undergraduates (N = 41) viewed a videotape of role-played problems and responded as though in face-to-face contact with the speakers. Half took the role of counselor and half the role of friend. Analysis of covariance indicated students serving as friends made fewer reflections and gave more advice than those serving as counselors. (Author)