Funding for this research was provided by:
the National Social Science Fund of China (No. 20BSH167)
Article History
Received: 14 May 2022
Accepted: 29 July 2022
First Online: 16 August 2022
Compliance with Ethical Standards
:
: The authors declare no competing interests.
: This study was approved by the Research Ethics Committee of Beijing Normal University.
: Written informed consent was obtained from students’ guardians.