Hypothesized that stability of a friendly dyadic interpersonal relationship varies with similarity of perceived views of problems of lasting concern. Students (N=76) at the Indian Institute of Technology completed a three-part questionnaire about friendly relationships, Individual Problem Blank, and Problem Checklist. Results supported the…

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)

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)

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