Conflict episodes among first-graders were videotaped and analyzed. It appears that the function of social conflict among children is to build their small-group society and its structure: while arguing, children create political alignments, and thereby realize their practical interests within a changing set of social relationships. (KH)

Observations were made of the social participation, constructiveness of play, and communicative interactions of developmentally delayed and non-delayed preschool children as they interacted in heterogeneous groups. The only significant effect of heterogeneous group composition on the children was reduced inappropriate play by severely delayed…