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…

Groups exist in a time environment. The group develops, changes, may function for years, and eventually disbands. The theory of groups across time is in a different psychological domain than that of short-term groups. For example, in long-term groups changes in group membership are inevitable whereas in short-term groups these changes are rarely…

The 21 summaries of research programs, funded by the United States Army Research Institute (ARI) for the Behavioral and Social Sciences which are presented are grouped in five broad topic areas: computer-based systems; information processing; learning, memory and transfer; human relations; and related issues and trends. Papers presented include:…