Scaffolding computer supported argumentation processes through mini map based interaction techniques

Authors:
Nguyen-Thinh Le;Sabine Niebuhr;David Drexler;Niels Pinkwart
Affiliations:
Department of Informatics, Clausthal University of Technology, Germany;Department of Informatics, Clausthal University of Technology, Germany;Department of Informatics, Clausthal University of Technology, Germany;Department of Informatics, Clausthal University of Technology, Germany
Venue:
DUXU'13 Proceedings of the Second international conference on Design, User Experience, and Usability: web, mobile, and product design - Volume Part IV
Year:
2013

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Abstract

Recent prior studies with argumentation systems have shown that, unfortunately, with larger learner groups using argumentation software over longer periods of time, argument maps inevitably increase greatly in size and complexity, often leading to learner confusion. To help users understand and navigate within large and complex argument maps, we implemented an initial version of mini maps within an existing tested argumentation system. This isan implementation of the general usability pattern "overview + detail". In addition, in order to facilitate the interaction with larger argument maps, the "anchor principle" has been implemented to define an anchor area in a workspace. Evaluation studies showed that, using mini-maps and anchors, the orientation of students could be improved.