Being polite while fulfilling different discourse functions in online classroom discussions. - Diane L. Schallert; Yueh-hui Vanessa Chiang; Yangjoo Park; Michelle E. Jordan; Haekyung Lee; An-Chih Janne Cheng; Hsiang-Ning Rebecca Chu; SoonAh Lee; Taehee Kim; Kwangok Song (Comput. Educ., 2009)

Cognitive, social and teaching presence in a virtual world and a text chat. - Tomoko Watanabe Traphagan; Yueh-hui Vanessa Chiang; Hyeseung Maria Chang; Benjaporn Wattanawaha; Haekyung Lee; Michael Charles Mayrath; Jeongwon Woo; Hyo-Jin Yoon; Min Jung Jee; Paul E. Resta (Comput. Educ., 2010)