Vysotskaya, Elena
Lobanova, Anastasia http://orcid.org/0000-0003-0843-7162
Rekhtman, Iya
Yanishevskaya, Maria
Article History
Accepted: 9 September 2020
First Online: 15 October 2020
Compliance with ethical standards
:
: All parents of the students and all teachers involved in the experiment have signed the consent form and agreed to participate.