The presented work continues P.Ya. Galperin’s approach to the study of creative thinking. As is known, success of creative problem-solving tasks (CPS) at Galperin’s scientific school contacts with the organized and systematic approach to the analysis and solution of the task. Age-dependent-psychological and individual possibilities of preschoolers, primary school children and adolescents in the decision of some system of CPS features are analyzed. 

The role of attachment to mother (AM) in formation of children’s and adolescents’ attitude to world around and to themselves is analyzed in the article. AM is considered as a complex system of internal regulation and one of the bases of mental development typology. Results of a series of the researches are described, relating secure/insecure adolescents’ AM to their worldviews, in particular to their emotional attitude towards family, teachers, peers, friends, school, and also to the future, the country, people and the world as a whole.