Document is current

Article History

Received: 15 November 2022

Revised: 16 January 2023

Accepted: 31 January 2023

First Online: 14 August 2023

COMPLIANCE WITH ETHICAL STANDARDS

: All studies were conducted in accordance with the principles of biomedical ethics, formulated in the Declaration of Helsinki 1964 and its subsequent updates, and approved by the ethics committee of the Institute of Developmental Physiology of the Russian Academy of Education (Moscow).

: Informed Consent. Parents/guardians of all children provided voluntary written informed consent, signed by them after explaining to them the potential risks and benefits, as well as the nature of the upcoming study.

: Conflict of interest. The authors declare the absence of obvious and potential conflicts of interest related to the publication of this article.

: Contribution of authors to the publication. The authors made the following contributions to this work: A.V. Kurgansky carried out the initial planning of the experiment, software development, analysis and discussion of the results of the experiment, and writing the text of the article. M.N. Zakharova participated in the development of the experiment and its adaptation for work with younger preschoolers, as well as in the conduct of the experiment (data collection). D.D. Kayumov participated in the development of the experiment and its adaptation for work with younger preschoolers, in the conduct of the experiment (data collection), in the analysis and discussion of the results, and also took part in writing the text of the article. S.Yu. Antonova participated in the development of the experiment and its adaptation for work with younger preschoolers, in the conduct of the experiment (data collection), as well as in the analysis and discussion of the results. E.P. Sofyina participated in the experiment (data collection), as well as in the discussion of the methodological aspects of working with preschoolers.