This study surveyed ninth- and eleventh-graders' evaluations of social exclusion based on social group membership. Responses indicated that participants found exclusion less wrong than denying resources, and used fewer moral and more conventional reasons to justify judgments. Participants relied on their group knowledge or stereotypes in…

A study analyzed and compared four selected models in the cyclical tradition of group development as a basis for identifying possible issues and implications for future theory building. The theorists whose models were examined were Leland Bradford, Jack Gibb, William Schutz, and Theodore Mills. Both historical and conceptual perspectives of the…