It was concluded that Ss preferring low rates of social interchange show greater change following a weekend encounter group than initially high participators, possibly because the behavior of the former is more discrepant from encounter group norms and thus is confronted more. (Author)

College students (N=27) were assigned to a time-extended or a marathon group or a control condition to evaluate the effects of encounter experiences on self-perception and interpersonal behavior. Both experimental groups showed significantly greater changes in self-perceptions from pretest to posttest than the control group. (Author)