The book presents the results of scientific research in the field of psychology of intelligence and creativity. Considering real situations, interpersonal interaction between teacher and student in conditions of various forms of training, in groups of professionals in joint problem solving, in conditions of specially organized social interactions (during training, assessment and business games), the author describes the general patterns of the influence of interpersonal interaction factors on the manifestations of psychometric intelligence and creativity, and also cites cases from psychological practice.