This article describes the features of learning activities of students, in particular, its psychological aspects; defined the importance of implementing of educational tasks in the intellectual development of students, formation their volitional qualities. The article briefly shines the position of famous scientists and psychologists on issues of psychological development of pupils during the learning activities. Particular emphasis is placed on the formation of students' sense of responsibility and selfconfidence. In this connection the selfconfidence indicators of students of pedag ogical high school, which were identified by the Raydes' method are presented. Keywords: personality, juvenile, motivation, selfconfidence , sense of responsibility, educational activity, psychological development, selfconcept, mentality, volitional qualities. Each age period of human life, literally from the day of his birth, seems very interesting and meaningful. Besides physical maturation there are important psychological changes, which are peculiar to a certain age. In addition, at each life stage any type of activity serves as prevailing. In order to come in this activity and implement it, you need to generate desired qualities. Our study showed that educational motives, that is the pursuit of knowledge, social, external and internal motives are strong enough appeared in juvenile. The distinctive features of learning individual are interested in knowledge, commitment, internal impulses that form the basis of motivation. The main purpose of the students after entering the educational institution - is to master the professional knowledge, to become qualified specialists. However, not all students at the university have sufficiently developed sense of responsibility and a serious attitude to study. Each of them is an individual person and at the same time, the student's circle has a definite influence on everyone. Learning activities of students, execution of public works are caused by his pedagogical activity, main function of which is to prepare the individual for any situation. According to scientists D.B.Elkonin and V.Davydova psychological activity is aimed at mastering the techniques of training activities and the development of mentality. In the process of learning activities student in a certain degree converts itself, changes. An important component of learning activities is educational tasks. When performing tasks, including practical nature, there are changes in the representation of the student of studied objects. As a result, the subject changed, as the search for solving the problem or concerns associated with the process of selection and options for solutions. Educational activity is a certain structure, which includes: the need for problemmotivesaction. If a student is formed this algorithm then later it will have less (or will not) difficulties and future professional and any other activities will be much more successful. Timely implementation of the educational tasks at a high level is necessarily associated with the manifestation of the student's personal qualities. Primary it is increasing of sense of responsibility, demands of him. It is important that the successful implementation of tasks increases confidence in his capabilities, which in its turn plays an important role in forming the character, independence. Conviction, a strong will helps a person to feel protected over other. Offering tasks to students, the teacher expects them to the original, complete, interesting answers and directs it to the students, the students, having received a specific task start to work. P.Ya.Galperin and his followers have investigated the problem of the unconscious level of human activity, and features of its inner consciousness expressed in the product of mental activity. Answers to these questions are reflected in the concept of the formation of mental actions by Galperin, which is essential for the