Assessing team-based instructional design problem solutions of hierarchical versus heterarchical Web-based hypermedia cases |
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| Authors: | Nada Dabbagh Katrina Denisar |
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| Institution: | (1) Graduate School of Education at George Mason University, Fairfax, VA;(2) Training and Doctrine Directorate, National Imagery & Mapping Agency, Bethesda, MD |
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| Abstract: | For this study, we examined the cogency, comprehensiveness, and viability of team-based problem solutions of a Web-based hypermedia
case designed to promote student understanding of the practice of instructional design. Participants were 14 students enrolled
in a graduate course on advanced instructional design. The case was presented to students using two hypermedia structures,
hierarchical (tree-like structure) and heterarchical (network-like structure). Results from analyses of four data sources
revealed that problem solutions developed in response to the heterarchical case design were more cogent and convincing than
problem solutions developed in response to the hierarchical case design. Specifically, the heterarchical case solutions provided
evidence of a heuristic problem-solving process facilitating the identification of an expert-like solution to the case and
the articulation of learners' understanding and application of grounded and engaging instructional designs. |
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