1. The social dimension in European social psychology Henri Tajfel, Joseph M. F. Jaspars and Colin Fraser; Part I. Social Development: 2. Early social interaction and the development of emotional understanding Judy Dunn; 3. The development of communicative competence with language in young children: a social psychological perspective W. P. Robinson; 4. Learning: a social actualization and reconstruction of knowledge Anne-Nelly Perret-Clermont, Jean Brun, El Hadi Saada and Maria-Luisa Schubauer-Leoni; 5. The development of thinking about socio-economic systems Gustav Jahoda; 6. The development of ethnic attitudes David Milner; 7. Imperfect identities: a socio-psychological perspective for the study of the problems of adolescence Augusto Palmonari, Felice Carugati, Pio Enrico Ricci Bitti and Guido Sarchielli; Part II. Interpersonal Behaviour and Communication: 8. Communication in the family and psychopathology: a social-developmental approach to deviant behaviour Rolv Mikkel Blakar; 9. The nonverbal dimension: a fad, a field, or a behavioural modality? Klaus R. Scherer; 10. Aggression as an interpersonal phenomenon Jacques-Philippe Leyens and Adam Fraczek; 11. Justice and fairness in interpersonal relations: thoughts and suggestions Gerold Mikula; 12. Towards a comprehension of friendship development and breakdown Steve Duck and Dorothy Miell; 13. When love dies: an integration of attraction and bereavement research Wolfgang Stroebe and Margaret S. Stroebe; Part III. Social Contexts of Individual Actions: 14. The social dimension of goal-directed action Mario von Cranach and Ladislav Valach; 15. Social rules and social rituals Rom Harré; 16. Social differentiation and non-differentiation Jean-Paul Codol; 17. Social differentiation in the scientific community Gérard Lemaine; Subject index; Author index.