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 study examines a group's response to deviance and the connection between the group members' covert evaluations of the behavior and the overt sanctions imposed upon the deviant. (Author/YRJ)

Examines some of the conditions associated with dissolution of the friendship tie. Subjects were 232 boys and girls between the ages of eight and 15 at a summer camp. The hypothesis that reduction in social interaction would be associated with increased probability of dissolution was not conclusively supported. (Author/HMV)

Attempts to clarify the epistemological basis of interaction analysis by exploring the modes of observation researchers adopt when using interaction coding schemes and outlining the validation requirements these options entail. Modes of observation include the viewpoint of the experiencer, the process of experiencing, and what is experienced. (JAC)