Research bearing on three aspects of small group learning is examined: (1) the relationship between interaction and achievement, (2) cognitive process and social-emotional mechanisms bridging interaction and achievement, and (3) characteristics of the individual, group, and reward structure that predict interaction in small groups. (Author/PN)

Discusses some current attempts to redefine the concept of group cohesion, and examines studies designed to manipulate factors hypothesized to enhance cohesion. Concludes with suggestions for more systematic and potentially fruitful research. (Author)

Both social ability and social disability models of delinquent peer relations have been developed to explain the social relations of delinquents. A key difference between these models is the assumption of normal social relations among delinquents in the social ability model, contrasted to the social ineptitude and lack of social skills attributed…