Chen, Wei http://orcid.org/0000-0001-5788-0377
Gao, Rongfen
Yang, Tao
Tian, Xue
Zhang, Guyin
Luo, Jie http://orcid.org/0000-0003-4837-8312
Funding for this research was provided by:
Ministry of Education, Humanities, and Social Sciences Research Youth Fund Project ((Grant no. 18XJC190001))
Doctor project of Guizhou Normal University (Grant no. 2017)
Article History
Accepted: 30 January 2022
First Online: 17 February 2022
Declarations
:
: Before starting this current study, it was necessary to receive approval from the Ethics Committee of the local schools as well as parental permission. Both headmaster and teachers were notified of the purpose of the study. All students were tested during regular school hours in their classrooms. All information about participants was kept confidential and harmless to all these participants.
: Informed consent was obtained from all individual participants included in the study.
: 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.