Fathali M. Moghaddam is an award-winning Professor of Psychology at Georgetown University. He has published extensively on intergroup relations, with his recent books including The Psychology of Assimilation, Multiculturalism, and Omniculturalism (2024) and The New Immigration Challenge (Cambridge, 2026).

• 1. Psychological theories of intergroup relations: their importance and growth; Part I. Irrationalist Theories: 2. The psychodynamic model; 3. Terror management theory; 4. System justification theory; Part II. Materialist Theories: 5. The realistic conflict theory tradition, gaming research, and resource mobilization theory; 6. Evolutionary psychology, the selfish gene, and social dominance theory; Part III. Justice Theories: 7. Relative deprivation theory; 8. Equity theory and the psychology of justice; Part IV. Identity Theories, Intergroup Contact, and Looking Ahead: 9. Social identity theory and self-categorization; 10. Theories of diversity management, intergroup contact, and optimal distinctiveness; 11. Toward a more complete theory of intergroup relations: linking with feminist theory, allyship, and intersectionality.

Fathali M. Moghaddam is an award-winning Professor of Psychology at Georgetown University. He has published extensively on intergroup relations, with his recent books including The Psychology of Assimilation, Multiculturalism, and Omniculturalism (2024) and The New Immigration Challenge (Cambridge, 2026).

• 1. Psychological theories of intergroup relations: their importance and growth; Part I. Irrationalist Theories: 2. The psychodynamic model; 3. Terror management theory; 4. System justification theory; Part II. Materialist Theories: 5. The realistic conflict theory tradition, gaming research, and resource mobilization theory; 6. Evolutionary psychology, the selfish gene, and social dominance theory; Part III. Justice Theories: 7. Relative deprivation theory; 8. Equity theory and the psychology of justice; Part IV. Identity Theories, Intergroup Contact, and Looking Ahead: 9. Social identity theory and self-categorization; 10. Theories of diversity management, intergroup contact, and optimal distinctiveness; 11. Toward a more complete theory of intergroup relations: linking with feminist theory, allyship, and intersectionality.