Zhang, Danhui
Jin, Bihui
Cui, Yiran
Funding for this research was provided by:
Ministry of Education in China (Project of Humanities and Social Sciences 2019 19YJC190026)
Article History
Accepted: 2 June 2021
First Online: 16 June 2021
Declaration
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards.
: Informed consent was obtained from the teachers and parents.