About the Authors
- Shunuan Xie
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Roles Conceptualization, Formal analysis, Funding acquisition, Writing – original draft, Writing – review & editing
* E-mail: emily2010@qdu.edu.cn
Affiliation School of Foreign Language Education, Qingdao University, Qingdao, Shandong, China
- Linxiang Guo
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Roles Data curation, Supervision, Writing – review & editing
Affiliation School of Foreign Language Education, Qingdao University, Qingdao, Shandong, China
- Wen Zhang
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Roles Funding acquisition, Writing – review & editing
Affiliation School of Foreign Language Education, Qingdao University, Qingdao, Shandong, China
Competing Interests
The authors have declared that no competing interests exist.