Compared performances for male and female groups using three different group problem-solving procedures: unstructured, structured-open, and structured-forced. Results indicated that female groups performed better with the structured-forced procedure than with the structured-open procedure. Male groups performed better with the structured-open…

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…

College students, ranked as high, medium, or low ability, were assigned to homogeneous or mixed-ability groups of two through five members for a test. Performance proved proportional to the number of high ability group members. The underlying group process was inferred through social decision scheme analysis. (Author/SJL)