Search results for author:"Christof Wecker"
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Collaborative Argumentation and Cognitive Elaboration in a Computer-Supported Collaborative Learning Environment
Karsten Stegmann; Christof Wecker; Armin Weinberger; Frank Fischer
Instructional Science: An International Journal of the Learning Sciences Vol. 40, No. 2 (March 2012) pp. 297–323
This study explores the relation between argumentation in online discussions, cognitive elaboration, and individual knowledge acquisition. In a one-factorial experimental design with 48 participants we investigated the effect of an argumentative...