Discusses the definition and origin of the term "groupthink." Examines three studies on groupthink by John Courtright (1978), Matie Flowers (1977), and Philip Tetlock (1979). Concludes none of the three is superior to another but that it can be learned from all three that group decision making is fraught with danger. (ABL)

The stimulus value of group boundaries was investigated in a field experiment. It was hypothesized that the size of a group and the status of its members would reduce the permeability of a boundary around an interacting group. Two or 4 interacting people of high or low status interrupted the traffic flow in a university hallway. Results indicate…

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…

This book is a general report on aspects of group processes in elementary and secondary schools with reference to appropriate research. Group processes are defined as changes in the social unit known as the group that take place over a period of time; the expected changes occur in three domains--cognitive, psychomotor, and affective. The book…

The question whether individual study of risk problems (familiarization) leads to greater risk taking was investigated. Several explanations of the risk taking shifts are explicit in their requirement for group or social interaction. Investigations of whether risk shifts can be produced in the absence of group interaction have produced conflicting…

The social and collective aspect in human activities has become one of the main issues in Vygotskian analyses of learning and development. The study assumed that this aspect presupposes some feeling of belonging together and having a shared commitment on the part of the participants. Asserting that relatively little attention has been given to…

This study was an attempt fo document aspects of small group work in classrooms engaged in the process education curricula called "Materials and Activities for Teachers and Children" (MATCH). Data on student-student interaction was related to small group work and gathered by paper-and-pencil sociometric questionnaires and measures of group…