The results of these experiments strongly suggest that the occurrence of behavioral contagion depended on the relative advantage an initiator's action establishes over the other members of the group. (SD)

Presents a study designed to contrast the effects of task-based and interpersonal cohesiveness on group performance of students. Concludes that high task cohesion helped group performance, while interpersonal attraction had no apparent effect. Finding that increased interpersonal cohesion improved task commitment, the authors suggest that…

Presents study results examining social pressure within sexually homogenous groups. Explains that cohesiveness, based on common beliefs, was established in half of the sample while prevented in the remainder. Reports that groups were required to reach consensus after conflict was introduced. Concludes that low cohesion groups showed the greatest…

Presents a study that investigated whether the presence of a group goal would reduce social matching. Reports that when there was no specific goal, the participants matched their own performance to the performance that was expected of other group members. Include references. (CMK)

Investigates intergroup bias in achievement attributions in a sample of 15-year-old German and Turkish pupils in the Federal Republic of Germany. Found that ingroup attribution bias was limited rather than ubiquitous. Discusses the inventive nature of student explanations for ability-linked performance and the motivational consequences of causal…