The article presents the results of the experiment among three groups of the respondents: 114 teenagers at the age of 13-14, 23 boys at the age of 16-17 and 59 students at the age of 19-22. Measuring self-attitude, subjective control and personal reflexion indices using the methodologies of psychodiagnostics showed that adolescence in comparison with early youth age has higher indices of open attitude and self-attachment and relatively low indices of self-acceptance, inner conflictness and selfincrimination. During early youth age there is open attitude and self-attachment indices decrease, high indices of self-acceptance are combined with the increased level of inner conflictness and self-incrimination inclination. At the age of 19-22 there is open attitude, self-confidence, self-attachment increase, considerable inner conflictness and self-incrimination decrease. The level of subjective control and the ability to realize reflexion considerably increases. At the same time, the indices of self-management decrease.