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Authors
Yang, Panpan
Xu, Gangmin
Zhao, Siman
Li, Dan
Liu, Junsheng
Chen, Xinyin
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Funding
Funding for this research was provided by:
Shanghai Municipal Education Commission (2019-01-07-00-02-E00005)
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Article History
Received: 21 November 2020
Accepted: 14 February 2021
First Online: 11 March 2021
Compliance with Ethical Standards
:
: The authors declare no competing interests.
: We have adhered to APA ethical standards in conducting this study and this study has been approved by the Ethics Committee of Social Science Research Center at Shanghai Normal University. Letter of information and consent/assent forms were sent to parents and adolescents via schools. Informed consent was obtained from all participants included in this study at all waves of data collection. Participants could withdraw from the study at any time without any penalty. Students who did not have parental consent, or who did not want to participate themselves, or who were unable to fill out the questionnaires, did not participate.
