Xiaojun, Zhao
Xinrui, Kang
Xupeng, Li
Article History
Received: 18 February 2022
Accepted: 23 June 2022
First Online: 4 July 2022
Declarations
:
: Ethical approval was obtained from academic and moral committee of school of education in Hebei University. The authors confirm that all methods comply with the current guidelines and regulations which follow the Declaration of Helsinki. Informed consent to participate in this study was provided by the participants’ legal guardian/next of kin.
: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.