Funding for this research was provided by:
the Major Project of National Social Science Fund of China (16ZDA229)
Article History
Received: 27 March 2022
Accepted: 12 June 2022
First Online: 25 June 2022
Compliance with Ethical Standards
:
: The authors declare no competing interests.
: All procedures performed in the present study were in accordance with the recommendations of the Research Ethics Committee of the Beijing Normal University and with the Declaration of Helsinki.
: Written informed consent was obtained from the involved schools and parents of the participated students.