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…

The project investigated aspects of group dynamics and group behavior with mentally retarded adolescents, aged 18 to 25 years with a mental age ranging from 3 to 7 years, who worked in citriculture in Israel. The report began with an examination of the peer group principle, its relationship to childhood, adolescence, and adulthood, and its…

The tendency to delay gratification as affected by sex and group participation was explored in 6- and 7-year-old children. (BRT)

The study described in this report investigated the effects of two context variables on small-group learning--namely, group size and group gender composition--within an adult learning framework. In the study, the "revolving circle" method was innovated. In this design, one group member is the center of the cooperative circle and all…

The hypothesis that student groups working under conditions of intergroup competition will adopt different motivational orientation than will groups not in competition was studied using 89 Israeli fourth graders (50 males and 39 females). The impact of prior socialization on group behaviors and implications for cooperative learning are discussed.…