[Zhang, Mingyan] Zhejiang Normal Univ, Coll Teacher Educ, Jinhua, Zhejiang, Peoples R China.
[Li, Hao; Du, Xu; Liu, Mengfan] Cent China Normal Univ, Natl Engn Res Ctr E Learning, Wuhan, Peoples R China.
[Hung, Jui-Long] Boise State Univ, Dept Educ Technol, 1910 Univ Dr, Boise, ID 83725 USA.
[Hung, Jui-Long] Cent China Normal Univ, Natl Engn Lab Educ Big Data, Wuhan 430079, Peoples R China.
[Tang, Hengtao] Univ South Carolina, Dept Educ Studies, Columbia, SC USA.