Investigates effects of human relations laboratory experiences on interpersonal behavior of college students. Subjects were 79 college students. Results indicate participation in human relations training laboratories does have an effect on self-perception and behavior. (Author/HMV)

Defines and explains the difference of marathon groups and psychotherapy. (HMV)

This report deals with the measurement of personality changes employing two modes of statistical treatment of data derived from two modes of group confrontation procedures. One group met for 12 weekly three-hour sessions. The other group met in an intensive group confrontation procedure for a continuous 38-hour session. (Author)

The present report consists of two studies which were designed to determine (1) the differential effects of time spent in encounter groups on participants' responses to the POI, and (2) the degree to which changes are maintained. (Author)

This article examines the historical development of marathon encounter groups and provides speculation as to their future use. (YRJ)

The questions of the value of structure in groups and the value of experience in group leadership merge when the two areas of conflict are considered together. The present study was concerned with effects of an interpersonal growth contract and of leader experience on encounter group process and outcome. (Author)

Group trainees often note that their group experience is perceived as a cultural alternative, resulting in difficulties transferring their learning to their everyday world. This paper examines these issues from a social psychological perspective. (NG)

Investigates the amount of structure furnished by the leader in the group experience over a nine-week period and its effects on measures of self-concept and self-actualization. (Author)