Two studies explored the behavioral mediation of interpersonal expectancy effects. In Study 1, undergraduates were asked to teach a task via videotape to a target they believed was either another college student their age or an elderly woman. In Study 2, naive undergraduates were yoked to the videotapes made in Study 1; their performance on the task and their perceptions of the perceiver were assessed. Several effects due to the expectancy manipulation and to interactions between the expectancy and the subject's sex were obtained. Subjects who believed they were teaching an elderly target, especially the women, taught less material, were more nervous, and were less friendly
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