Introduction

Irina A. Burlakova, Candidate of Science (Psychology), Professor, Head of the Preschool Pedagogy and Psychology Chair, Department of Educational Psychology, Moscow State University of Psychology and Education, Leading Researcher, Laboratory of Preschool Education, Institute of Child Development, Health and Adaptation (Federal State Scientific Institution IRZAR), Moscow, Russian Federation, ORCID: https://orcid.org/0000-0002-0313-7518, e-mail: iaburlakova@mail.ru

Elena K. Yaglovskya, Candidate of Science (Psychology), Professor of the Chair of Preschool Pedagogy and Psychology, Faculty of Education Psychology, Psychological consultation employee, Moscow State University of Psychology & Education, Moscow, Russian Federation, ORCID: https://orcid.org/0000-0002-0587-2823, e-mail: yaglovskayaek@mgppu.ru