Using the results of two empirical studies (with different samples and academic subjects), our research was aimed at discovering the significant role of conscious self-regulation, intelligence, and cognitive features in predicting optimal academic achievement. The sample consisted of 406 students (aged 14-16) in the 8th to 11th grades of the Russian formal education system. Conscious self-regulation together with intelligence and cognitive abilities was determined to be a significant predictor of academic success. The Study 1 results revealed that the general level of self-regulation of learning activity and certain regulatory features were significant predictors of different types of mathematical achievements: academic grades, scores on exams, mathematical fluency, as well as solving logical mathematical problems and equations. The present study is the first to show the mediating role of self-regulation in relation to intelligence, cognitive features, and academic success. Study 2 found evidence that conscious self-regulation and intelligence can predict academic achievement in the humanities, mathematics, and natural sciences.. At the same time, this determination has its peculiarities in particular variables of intelligence and certain self-regulation processes depending on the substantive characteristics of the academic subjects. Regression models of academic success in the humanities identified verbal intelligence associated with vocabulary as highly significant and a definitive requirement for success in these subjects. Study 1 and Study 2 showed that the only significant predictors of success in algebra and geometry were quantitativerelations intelligence and spatial intelligence. The implications of these findings for investigating predictors of academic achievement are discussed.

The article deals with the problem of the dynamics of psychological well-being of students. It is focused on the role of conscious self-regulation of learning activities in ensuring the students’ psychological well-being stability during their transition from the primary to the middle stage of the secondary school. The main task of the empirical research was to identify, on the basis of longitudinal data, the features of the conscious self-regulation in the students with different trajectories of psychological well-being. The sample of the study consisted of the secondary school students (N = 298).The first stage of the longitudinal study was carried out in grade 4, the second stage — 6—8 months later, when students moved to grade 5.All in all, 239 people (48% boys) completed the questionnaires in two points of the longitude. The students were examined using a set of diagnostic methods, including "Self-Regulation Profile Questionnaire — Junior "; “Scale of manifestations of psychological well-being of adolescents”, “Scales of academic motivation of schoolchildren”, “Big Five — the children's version”, “Methods of diagnostics of the learning motivation and emotional attitude to learning”. The study allowed to describing three trajectories of changes in the psychological well-being of students during their transition from the primary to the middle school: "Increasing", "Stable" and "Decreasing". The data analysis made it possible to identify significant differences in the students’ regulatory characteristics with regard to selected groups. There are also specific academic motivation, attitudes to learning, and the personal dispositions characterizing students with different psychological well-being trajectories. The study revealed significant influence of the conscious self-regulation development on the various manifestations of the students’ psychological well-being. The obtained results point out the significant resources of well-being for the primary school students at the next stages of schooling. They are such regulatory features as planning goals, programming actions, evaluating their results, and flexibility as the ability to make corrections when the learning conditions change.

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Background. Mastering a first language at school is mediated by the regulatory abilities of pupils. An open question is how the executive functions implementing conscious self-regulation are related to language competences.Objective. To study the relationship between basic executive functions (switching, inhibition, working memory updating, and error correction) and language competences.Design. A sample of 104 Russian middle school children (aged 13-15 years) performed three cognitive tasks assessing basic executive functions and two tasks assessing language competences in the areas of punctuation, spelling, morphology, syntax, semantics, vocabulary, and style.Results. Inhibition was mostly related to punctuation, spelling, and morphology competences and was most important in the first competences task, requiring the recognition of errors. Switching was mostly related to the competences in syntax, reflecting the importance of switching attention between alternative syntactic structures. Working memory updating was the most important executive function related to language competences, with a heavy focus on higher-level lexical, semantic, and stylistic competences. The role of updating was especially important in the second competences task, which required generation of well-formed sentences. Error correction was mostly relevant for the recognition of language errors. Conclusion.While inhibition and switching affect aspects of constructing the surface form of a sentence, working memory is preferentially related to the construction of semantically appropriate sentences. Error monitoring and correction are generally related to the recognition of language errors. Conscious self-regulation and its cognitive mechanisms are systematically related to the development of native language competences in middle school.

Background. Recently, research on psychological well-being and its dynamics and predictors in adolescence, has gained special attention, due to the importance of well-being for mental and physical health, as well as for success in different activities. Self-regulation (SR) is considered a significant resource for maintaining psychological and school-related subjective well-being. Objective. The purpose of our study was to identify the role of conscious SR in maintaining pupils’ satisfaction with school life, and to assess the contribution of conscious SR to the development of psychological well-being in adolescence. Design. Two three-year longitudinal studies were carried out on samples of young adolescents in Russian schools (N=148; N=132; 10–13 years). The studies utilized methods for assessing conscious SR, psychological well-being (PWB), and school-related subjective well-being (SWB), the latter being the cognitive component of life satisfaction. Results. Our research revealed differences in the dynamics of PWB and SWB levels in adolescents during their transition from primary to basic secondary school. It also identified the specifics of longitudinal relationships between conscious SR, PWB, and SWB in adolescence. We showed that there was a reciprocal relationship between them. However, the most significant cross-longitudinal effects were established between SR and school-related SWB. These effects changed over time: at the beginning, well-being acted as a significant factor of self-regulation, while later self-regulation acted as a significant resource for maintaining adolescent well-being in the subsequent years. Conclusion. School-related SWB is characterized by the most pronounced trajectory of change, while PWB is characterized by greater stability and insignificant growth. Our three-year longitudinal study demonstrated that the link between selfregulation and well-being is consistently reproduced. Conscious self-regulation is a significant resource for both the psychological and school subjective well-being of adolescents.