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Tsai, Chun-Yen; Jack, Brady Michael; Huang, Tai-Chu; Yang, Jin-Tan – Journal of Science Education and Technology, 2012
This study investigated how the instruction of argumentation skills could be promoted by using an online argumentation system. This system entitled "Cognitive Apprenticeship Web-based Argumentation" (CAWA) system was based on cognitive apprenticeship model. One hundred eighty-nine fifth grade students took part in this study. A quasi-experimental…
Descriptors: Quasiexperimental Design, Persuasive Discourse, Apprenticeships, Grade 5
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Yu, Fu-Yun; Wu, Chun-Ping – Educational Technology & Society, 2013
This study examined the individual and combined predictive effects of two types of feedback (i.e., quantitative ratings and descriptive comments) in online peer-assessment learning systems on the quality of produced work. A total of 233 students participated in the study for six weeks. An online learning system that allows students to contribute…
Descriptors: Predictor Variables, Peer Evaluation, Feedback (Response), Computer Mediated Communication