Тhe essence of the definitions of “self-assessment” and “self-confidence” of the individual and their correlation is considered. The sources of self-assessment formation are indicated. The generalized conclusion of scientists is given, the essence of which is that the success, as well as the failure of a student of a technical institution of higher education is the result of high or low self-assessment. According to the results of the research, the urgency of the problem of forming an adequate self-assessment and increasing students' self-confidence in the process of studying at TIHE is emphasized. The mechanisms of their activation are revealed, namely, self-knowledge, self-control, self-regulation and self-programming. Special attention is paid to the role of innovative technologies: creating situations of success in the learning process and training. The key components of the method of behaviour rehearsal are considered, which are modelling, instruction and reinforcement