Supporting Learners Collaborative Knowledge Construction by External Representations.

摘要: External representations can be powerful to support learners’ collaborative knowledge construction. They focus learners on aspects which are particularly important for the task solve. In this study, we investigate different styles of pre-structuring shared external representations, a collaboration script and content scheme. 159 university students participated in empirical study. were assigned randomly groups three one four conditions 2x2-factorial design with factors Results show that benefit from The scheme was able influence spoken discourse focused it necessary solution. Furthermore, also outcomes