n South African Computer Journal - Iterative design and evaluation of an e-learning tutorial : a research-based approach
|Article Title||Iterative design and evaluation of an e-learning tutorial : a research-based approach|
|© Publisher:||South African Computer Society (SAICSIT)|
|Journal||South African Computer Journal|
|Author||Daphne Becker and Ruth De Villiers|
|Publication Date||Dec 2008|
|Pages||38 - 46|
|Keyword(s)||CAI tutorial, Design, E-learning, Evaluation criteria, Evaluation methods, Human factors, Learner-centred design, Measurement, Participative action research and Usability|
This paper introduces the computer-aided instruction (CAI) tutorial Karnaugh, outlining its design, development and evaluation. Karnaugh is used for supplementary learning in the module Computer Systems: Fundamental Concepts.
E-learning applications require rigorous evaluation of their functionality, learning content and usability. In the case of Karnaugh, this was done in a participative action research approach over two years. Evaluation and reflection occurred in iterative cycles, followed by active responses in the form of revised designs, with the researcher-designer playing a participative role as Karnaugh evolved through five variants. Complementary usability evaluation methods were used, namely heuristic evaluation, end-user questionnaires and interviews. The evaluation criteria were based on an adaptation of Squires & Preeces' 'learning with software' heuristics.
The unexpected discovery of some flawed data provided lessons in questionnaire administration.
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