In the fall of 1983, we began to organize a symposium entitled "General Social Psychological Theories of Group Behavior." Our goal was to encourage the extension and application of basic current social psychology to group behavior. The symposium was presented in the spring of 1984 at the Eastern Psychological Association convention in Baltimore and the interest that it generated led to discussions with colleagues and friends about similar efforts by social psychologists, eventually resulting in the present book. Some clarification about the contents is in order. First, the theories presented...