This study attempts to articulate the internal normative structure of sensitivity training groups by identifying the normative patterns that govern member behavior and by examining the relative influence exercised by trainer and member over the establishment and maintenance of group norms. (Author)

Developmental trends in two 10-man training groups were studied by checklist and rating scale techniques throughout a four-day laboratory. Differences in the developmental patterns of the two T Groups are interpreted as consequences of the contrasting approaches of the trainers. (Author)

Among the effects of trainers on their T Groups was that trainer empathy and security were related to liking for the trainer and perceived member learning. Trainer affection, tendencies to reward and punish, and openess showed no or little relationship to participant learning. (Author)

In the present study, members of two trainer groups did not form relationships which were both mutually therapeutic and confronting so frequently as did members of one trainer groups. (Author)