Contributors; Preface Henri Tajfel; Introduction Henri Tajfel; Part I. The Cognitive Construction of Groups: 1. Towards a cognitive redefinition of the social group John C. Turner; 2. The determination of collective behaviour Stephen Reicher; 3. Social identity and relations of power between groups Jean-Claude Deschamps; 4. Intergroup relations and attribution process Miles Hewstone and J. M. F. Jaspars; Part II. The Dynamics of Interaction Between Groups: Experimental Studies: 5. Perceived illegitimacy and intergroup relations Brian Caddick; 6. The battle for acceptance: an investigation into the dynamics of intergroup behaviour Rupert J. Brown and Gordon F. Ross; 7. Power and intergroup discrimination Sik Hung Ng; 8. Cross-cultural studies of minimal groups: implications for the social identity theory of intergroup relations Margaret Wetherell; 9. Individuality and membership in the intergroup system Murray Horwitz and Jacob M. Rabbie; Part III. Contexts of Social Identity: Ethnicity and Social Differentials: 10. Intergroup conflict in Northern Ireland Ed Cairns; 11. Problems of identity and social conflict: research on ethnic groups in Italy Dora Capozza, Emiliana Bonaldo and Alba Di Maggio; 12. Intergroup relations, ethnic identity and self-evaluation in Indonesia J. M. F. Jaspars and Suwarsih Warnaen; 13. The Swedish-speaking Finns: a case study of ethnolinguistic identity Karmela Liebkind; 14. Intergroup perceptions in British higher education: a field study Richard Y. Bourhis and Peter Hill; 15. Open conflict and the dynamics of intergroup negotiations Claude Louche; Part IV. Conclusion: 16. Instrumentality, identity and social comparisons Henri Tajfel; Subject index; Author index.