摘要: We describe two communication interfaces of the C-CHENE Computer-Supported Collaborative Learning ("CSCL") environment that is used for solving physics problems at a distance in network. The first manages text-based interaction using 'chat-boxes', and second flexibly structures by providing restricted set communicative acts. Results analyses acts generated interactions with suggest such flexible structuring may facilitate encourage more knowledge-based explanatory interactions, to detriment control 'social' talk, where former have been claimed be productive learning collaboration. In conclusion we briefly discuss an approach generating automatic guidance based on forms
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