Application of a number of methods (Kelly's, Rosenzweig's, Gorbov's gomeostatic procedure, etc.) for the study of psychological changes in the personality of stutterers made it possible to analyze the dynamics of frustration reactions in the process of rehabilitation of speech communication by means of Doubrovsky - Nekrasova procedure. Therapeutic in-group re-education resulted in gradual correction of certain features in the character of stutterers, and in transformation of the attitude to frustrative speech situations.