This paper analyzes development of group structure in terms of the stimulus-sampling perspective. Learning is the continual sampling of possibilities, with those reinforced possibilities increasing in probability of occurance. This contingency learning approach is tested experimentally. (NG)

This paper explores the power of the group to influence the initiation, maintenance, and termination of a given episode of group drinking by alcoholics. The study was undertaken to establish the parameters, within a controlled laboratory setting, of the various effects of group decision making on the social, affective, and drinking behavior of the…