Varied composition of three-man military teams (N=64) by assigning members according to team composition in all possible combinations of ability and motivation. Found both ability and motivation had an additive effect on crew performance, thus leading to conclusion that when teams perform highly interdependent tasks, performance is apparently…

Examined whether gender composition and task structure affect communicative behavior in small groups. Groups with different numbers of men and women were given a highly structured assignment and a human relations case study. Interaction process analysis supported the hypothesis only for dominance acts of giving suggestions. (BH)

Examined if making group goals of decision acceptance and quality explicit versus leaving them unstated would influence the decision-making effectiveness of male and female interacting groups. Explicitly stating that group members should strive for acceptance increased group decision-making quality and increased individual acceptance of the group…

Examined whether compatible groups facilitate learning more than incompatible groups. Used peer groups to facilitate learning in college courses. Computed compatibility scores for pairs and four-person groups working together. Used examinations to measure peer group procedure effectiveness. Results did not indicate a positive relationship between…