Introduction : social identity and intergroup conflict / Lee Jussim, Richard D. Ashmore, and David Wilder / Ingroup identification and intergroup conflict : when does ingroup love become outgroup hate? / Marilynn B. Brewer -- Ethnic identity, national identity, and intergroup conflict : the significance of personal experiences / Thomas Hylland Eriksen -- The meaning of american national identity : patterns of ethnic conflict and consensus / Jack Citrin, Cara Wong, and Brian Duff -- Communal and national identity in a multiethnic state : a comparison of three perspectives / Jim Sidanius and John R. Petrocik -- Social and role identities and political violence : identity as a window on violence in northern ireland / Robert W. White -- Individual and group identities in genocide and mass killing / Ervin Staub -- The role of national identity in conflict resolution : experiences from Israeli-Palestinian problem-solving workshops / Herbert C. Kelman -- Conclusion : toward a social identity framework for intergroup conflict / Richard D. Ashmore, Lee Jussim, David Wilder, and Jessica Heppen.