Effects of instructor's facial expressions on students' learning with video lectures. - Yang Wang 061; Qingtang Liu; Wenli Chen; Qiyun Wang; David Stein 005 (Br. J. Educ. Technol., 2019)

Assessing cognitive presence in online inquiry-based discussion through text classification and epistemic network analysis. - Shen Ba; Xiao Hu 001; David Stein 005; Qingtang Liu (Br. J. Educ. Technol., 2023)

Anatomizing online collaborative inquiry using directional epistemic network analysis and trajectory tracking. - Shen Ba; Xiao Hu 001; David Stein 005; Qingtang Liu (Br. J. Educ. Technol., 2024)