From the perspective of the subject-activity theory by S.L. Rubinstein and reflexive activity approach developed by E.I. Kuzmina, which became the methodological basis of our experimental study of self-esteem, aspiration level and value orientations, we clarified the psychological content and substantiated the dialectical unity of these central personality phenomena, showed the heuristic possibilities of their comprehensive research for a deeper understanding of the development of an individual.
