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Designing online mathematical investigation
Journal of Computers in Mathematics and Science Teaching (JCMST) 23:3 , July 2004
George Gadanidis, Faculty of Education, Canada; Kamran Sedig, Department of Computer Science and Faculty of Information and Media Studies, University of Western Ontario, Canada; Hai-Ning Liang, Department of Computer Science, University of Western Ontario, Canada
In this paper we focus on applets that support mathematical investigation. In the context of analyzing and redesigning an applet from NCTM’ s Illuminations Web site, we consider two interrelated issues: (1) how the pedagogy of mathematical...
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Interactivity of Visual Mathematical Representations: Factors Affecting Learning and Cognitive Processes
Journal of Interactive Learning Research (JILR) 17:2 , April 2006
Kamran Sedig & Hai-Ning Liang, The University of Western Ontario, Canada
Computer-based mathematical cognitive tools (MCTs) are a category of external aids intended to support and enhance learning and cognitive processes of learners. MCTs often contain interactive visual mathematical representations (VMRs), where VMRs...
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Interaction and Interactivity in Online Mathematical Applets: Two Sides of the Same Coin
World Conference on Educational Multimedia, Hypermedia and Telecommunications (EDMEDIA) 2005:1 , Jun 27, 2005
Parul Nanda, Hai-Ning Liang & Kamran Sedig, The University of Western Ontario, Canada
Online mathematical applets are one of the most beneficial innovations of computer-based educational technology. They aid learners in their investigation of mathematical concepts and relationships. However, most of these applets do not seem to be...
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A survey of navigation interaction in computer-based learning environments
World Conference on Educational Multimedia, Hypermedia and Telecommunications (EDMEDIA) 2006:1 , June 2006
Hai-Ning Liang & Sedig Kamran, University of Western Ontario, Canada
Computer-based learning environments (CBLEs) can assist learners in achieving different learning goals. Learners are often required to interact with the visual representations used within CBLEs. One common form of interaction is navigation....
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Macro-level characterization of mathematical cognitive tools
World Conference on Educational Multimedia, Hypermedia and Telecommunications (EDMEDIA) 2006:1 , June 2006
Kamran Sedig & Hai-Ning Liang, University of Western Ontario, Canada
This paper presents a preliminary characterization of current computer-based mathematical cognitive tools (MCTs). These tools are intended to facilitate learners' exploration of mathematical concepts. MCTs usually incorporate interactive visual...
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Learner-Information Interaction: A Macro-Level Framework Characterizing Visual Cognitive Tools
Journal of Interactive Learning Research (JILR) 19:1 , January 2008
Kamran Sedig & Hai-Ning Liang, The University of Western Ontario, Canada
"** Invited as a paper from ED-MEDIA 2006 **" Visual cognitive tools (VCTs) are external mental aids that maintain and display visual representations (VRs) of information (i.e., structures, objects, concepts, ideas, and problems). VCTs allow...
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Application of Frameworks in the Analysis and (Re)design of Interactive Visual Learning Tools
Journal of Interactive Learning Research (JILR) 20:2 , April 2009
Liang Hai-Ning & Kamran Sedig, The University of Western Ontario, Canada
Interactive visual learning tools (IVLTs) are software environments that encode and display information visually and allow learners to interact with the visual information. This article examines the application and utility of frameworks in the...
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Presentation of feedback in interactive learning environments: Some dimensions
World Conference on Educational Multimedia, Hypermedia and Telecommunications (EDMEDIA) 2007:1 , Jun 25, 2007
Hai-Ning Liang & Kamran Sedig, University of Western Ontario, Canada
Interactive learning environments (ILEs) can display information and enable learners to interact with this information. Feedback is an important component in leaner-information interaction and is critical in knowledge acquisition. It can potentially ...
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Scaffolding as a Strategy to Make Tools More Accessible to Young Children
World Conference on Educational Multimedia, Hypermedia and Telecommunications (EDMEDIA) 2007:1 , Jun 25, 2007
Hai-Ning Liang & Kamran Sedig, The University of Western Ontario, Canada
Designing educational software that both supports children's learning of complex concepts and is accessible to them is not easy. One strategy to address this challenge is to create increasingly more complex environments that incorporate different...
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On the design of interactive visual representations: Fitness of interaction
World Conference on Educational Multimedia, Hypermedia and Telecommunications (EDMEDIA) 2007:1 , Jun 25, 2007
Kamran Sedig & Hai-Ning Liang, University of Western Ontario, Canada
Learners often rely on external visual representations (VRs) of information to support their reasoning and thinking about different problems, ideas, and concepts. In computer-based environments, these static representations are rendered interactive...
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Interaction flow in educational visualization tools: A study
World Conference on Educational Multimedia, Hypermedia and Telecommunications (EDMEDIA) 2009:1 , Jun 22, 2009
Hai-Ning Liang & Kamran Sedig, The University of Western Ontario, Canada
This paper deals with the design of interactivity in visualization tools for educational purposes. There are several factors that can be used to guide the analysis and design of the interactivity of these tools. One such factor is flow, which is...
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Enhancing the Usability of Complex Visualizations by Making them Interactive: A Study
World Conference on Educational Multimedia, Hypermedia and Telecommunications (EDMEDIA) 2009:1 , Jun 22, 2009
Kamran Sedig & Hai-Ning Liang, University of Western Ontario, Canada; Jim Morey, Wesleyan College, USA
Visualizations can play an important role in learning activities. They encode a wide variety of concepts, structures, processes, and objects to help learners make sense of phenomena and perform intellectual, exploratory work. Despite the intended...
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An Exploratory Study of Interactivity in Visualization Tools: ‘Flow’ of Interaction
Journal of Interactive Learning Research (JILR) 21:1 , January 2010
Hai-Ning Liang, Paul C. Parsons, Hsien-Chi Wu & Kamran Sedig, The University of Western Ontario, Canada
** Invited as a paper from ED-MEDIA 2009 ** This paper deals with the design of interactivity in visualization tools. There are several factors that can be used to guide the analysis and design of the interactivity of these tools. One such factor ...
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