Funding for this research was provided by:
National Natural Science Foundation of China (31871117)
Article History
Accepted: 29 March 2021
First Online: 5 April 2021
Declarations
:
: The research was approved by the Research Ethics Committee of School of Psychology, Capital Normal University. This study was carried out in accordance with <i>The Code of Ethics of the World Medical Association (Declaration of Helsinki)</i> for experiments involving humans.
: Informed consents were obtained from all participants’ parents and teachers.
: The participants’ parents and teachers signed informed consent regarding publishing their data.
: The authors declare that they have no conflict of interest.