n South African Computer Journal - Iterative design and evaluation of an e-learning tutorial : a research-based approach

Volume 12, Issue 1
  • ISSN : 1015-7999
  • E-ISSN: 2313-7835



This paper introduces the computer-aided instruction (CAI) tutorial , outlining its design, development and evaluation. is used for supplementary learning in the module .

E-learning applications require rigorous evaluation of their functionality, learning content and usability. In the case of , 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 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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