Conceptual representations enhance knowledge construction in asynchronous collaboration

Authors:
Daniel Suthers;Ravi Vatrapu;Richard Medina;Sam Joseph;Nathan Dwyer
Affiliations:
Laboratory for Interactive Learning Technologies, Dept. of Information and Computer Sciences, University of Hawai'i at Manoa;Laboratory for Interactive Learning Technologies, Dept. of Information and Computer Sciences, University of Hawai'i at Manoa;Laboratory for Interactive Learning Technologies, Dept. of Information and Computer Sciences, University of Hawai'i at Manoa;Laboratory for Interactive Learning Technologies, Dept. of Information and Computer Sciences, University of Hawai'i at Manoa;Laboratory for Interactive Learning Technologies, Dept. of Information and Computer Sciences, University of Hawai'i at Manoa
Venue:
CSCL'07 Proceedings of the 8th iternational conference on Computer supported collaborative learning
Year:
2007

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Abstract

An experimental study of asynchronously communicating dyads tested the claim that conceptual representations could more effectively support collaborative knowledge construction in online learning than threaded discussions. Results showed that users of conceptual representations created more hypotheses earlier in the experimental sessions and elaborated on hypotheses more than users of threaded discussions. Participants using conceptual representations were more likely to converge on the same conclusion and scored higher on post-test questions that required integration of information distributed across dyads in a hidden profile design. However, the essay contents and post-test offered no evidence for differences in information sharing in itself. These results were most consistent when a knowledge map with embedded notes was the primary means of interaction rather than when it augmented a threaded discussion.