Two social psychological theories--similarity theory and equity theory--are employed to elucidate the relationship between group members' abilities and group performance on tasks involving high levels of interdependence. Contrasting hypotheses are drawn regarding specific ability compositions that should evoke performance above or below the simple…

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…