Recent investigations of the effects on group output of competitive contingencies, reward deliveries to group members contingent upon achieving a higher or lower task rate than another group, have suggested that competitive contingencies are a positive function of group output. When rewards are contingent upon a higher comparison outcome, group…

A group of students with emotional disturbances generated a list of rewards and received rewards after accumulation of points determined by the daily behavior of each group member. Use of this motivator and behavior management tool seemed to increase the cohesiveness of the group and prosocial behavior of its members. (JDD)