A new theory of interaction within small groups posits that group members initiate actions when tension mounts between the affective meanings of their situational identities and impressions produced by recent events. Actors choose partners and behaviors so as to reduce the tensions. A computer model based on this theory, incorporating reciprocal…

Occasions where children oppose each other have been claimed to convey intellectual benefits through their association with justification and resolution. They have been claimed to promote social rejection through their association with aggression. Because it is inconceivable that intellectual benefits imply social costs, either the relation…