Abstract
Annotation.The article reveals the basic concepts related to communication skills that allow a teenager to freely create and form stable connections.The cohesion of the student team creates a favorable environment for the formation of personal qualities of a teenager, which reduces the risks of deviant behavior.The purpose of our study is to diagnose changes in the index of group cohesion and the level of sociability of adolescent schoolchildren.The study sample consists of 99 9th grade students, of which 49 are girls and 50 are boys.The theoretical justification is the research and work of psychologists on the formation of communication skills in adolescents through group work, sociopsychological training for team building, the main advantages of adolescence for the formation of communication skills.A comparative analysis of such definitions as : communicativeness, communicative qualities, communicative competencies, communication, communication, training.The empirical content of the study is presented by the diagnosis of sociability levels and the group cohesion index before and after the socio-psychological training on team cohesion among adolescents.The results of the study are analyzed from the point of view of the gender characteristics of the study participants.This study established a relationship between the level of sociability of a teenager and the cohesion index of his student team.