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Leadership Across Group Divides

The Challenges and Potential of Common Group Identity

John F. Dovidio Yale University

Samuel L. Gaertner University of Delaware

Marika J. Lamoreaux Georgia State University

GROUP LIVING represents a fundamental survival strategy, developed across human evolutionary history, that characterizes the human species. For long-term survival, people must be willing to rely on others for information, aid, and shared resources; they must also be willing to offer information, give assistance, and share resources with others. Group membership provides necessary boundaries for mutual aid and cooperation.

Group boundaries, however, also have fundamental intergroup consequences. Whether they are defined by culture, race ...

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