Abstract
<jats:p><p><strong>Context and relevance</strong>. The mental well-being of the population is a critical issue in modern society. Big data technologies offer new opportunities for identifying factors that influence a person's psychological state, while minimizing the researcher's influence and enhancing the reproducibility of results in the context of the crisis in the reproducibility of psychological research. <strong>Objective.</strong> Analysis of the relevance, methodological and practical limitations of using research methods for working with large databases to solve the problems of studying the psychological well-being of teachers who are at the stage of resocialization. <strong>Results. </strong>The study's findings confirm the feasibility of using Big Data methodology in analyzing respondents' psychological well-being. Taking into account the characteristics of the study population and existing limitations allows for modern research that addresses new psychological and methodological needs and contemporary challenges, and for developing a system of psychological and pedagogical support for potential and current teaching staff. <strong>Conclusions.</strong> Big data methodology overcomes the problem of reproducibility by passively collecting data and eliminating the influence of the experimenter. The resulting patterns open up opportunities for developing preventive programs and psychological and pedagogical support, including work with special military operation veterans transitioning to civilian teaching.</p></jats:p>