The relative power of cooperative and trusting patterns of behavior versus those of exploitation and distrust in affecting the results of group decision-making processes was investigated. The outcome of a study using the Prisoner's Dilemma Game seems to suggest the disproportionate influence of competitive people in these settings. (Author)

Effects of resource capability and interpersonal attraction on coalition behavior were studied. Introductory psychology students role played across three experimental conditions. Subjects were asked to select a coalition partner, predict formation of coalition, estimate winnings distribution. Male and female choices and predictions differed.…

A co-educational living-learning center for the arts was studied through participant observation and quantitative assessment. The results document the importance of full self-selection into a membership group and demonstrate the relationships between reference group identification, basic interests in personality, and social behavior. (Author)