Funding for this research was provided by:
Humanities and Social Science Youth Foundation of Ministry of Education of China (17YJC630084)
National Natural Science Foundation of China (71873111)
the Philosophy and Social Sciences of Education Department of Hubei Province (19Q162)
Article History
Received: 5 September 2019
Revised: 24 February 2020
First Online: 12 August 2020
Compliance with ethical standards
:
: The authors declare that there is no conflict of interests regarding the publication of this paper.