The textbook is devoted to the study of social psychology and development of personality, its socialization, distribution of social roles in the group. The issues of communication, causes of conflicts in human communication are considered. The question of critical thinking is considered in detail, the questions of ethnicity of peoples are considered, and also the theory of generations is considered in detail.The textbook is written by Professor Nikolay Evgenyevich Simonovich, Doctor of Psychological Sciences, Professor of the Department of Social Psychology, L.S. Vygotsky Institute of Psychology, Russian State University of Psychology.