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De Wever, Bram; Van Keer, Hilde; Schellens, Tammy; Valcke, Martin – Internet and Higher Education, 2011
This study focuses on the reliability of intra-group peer assessment (PA) of the collaboration processes in a wiki. First-year university students (N = 659) were subdivided in groups of 8 to create wikis. They were to assess their group members on four criteria (contribution, discussion, sources, and social). The main research question focused on…
Descriptors: Peer Evaluation, Cooperation, Reliability, Effect Size
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Schellens, Tammy; Van Keer, Hilde; De Wever, Bram; Valcke, Martin – International Journal of Computer-Supported Collaborative Learning, 2007
This article describes the impact of learning in asynchronous discussion groups on students' levels of knowledge construction. A design-based approach enabled the comparison of two successive cohorts of students (N = 223 and N = 286) participating in discussion groups for one semester. Multilevel analyses were applied to uncover the influence of…
Descriptors: Computer Mediated Communication, Discussion Groups, Knowledge Level, Comparative Analysis