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Janssen, Jeroen; Erkens, Gijsbert; Kirschner, Paul A.; Kanselaar, Gellof – Instructional Science: An International Journal of the Learning Sciences, 2010
This research investigates the role of representational guidance by comparing the effects of two different representational tools. We used a design with two different groups defined by the type of argumentative diagram students co-constructed while working in a computer-supported collaborative learning (CSCL) environment. The Graphical Debate-tool…
Descriptors: Visualization, Secondary Education, Cooperative Learning, Pretests Posttests
Janssen, Jeroen; Erkens, Gijsbert; Kanselaar, Gellof; Jaspers, Jos – Computers & Education, 2007
This study investigated the effects of visualization of participation during computer-supported collaborative learning (CSCL). It is hypothesized that visualization of participation could contribute to successful CSCL. A CSCL-environment was augmented with the Participation Tool (PT). The PT visualizes how much each group member contributes to his…
Descriptors: Visualization, Cooperation, Group Dynamics, Control Groups

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