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)

Male and female subjects (N=186) participated in a simulated jury experiment in which race of the victim, race of the defendant, and amount of evidence against the defendant were varied. Results indicated racial similarity of the defendant and/or victim to subject jurors influenced levels of negative traits attributed to the defendant. (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.…