Document (#19511)

Author
John, B.E.
Mashyna, M.M.
Title
Evaluating a multimedia authoring tool
Source
Journal of the American Society for Information Science. 48(1997) no.11, S.1004-1022
Year
1997
Abstract
Presents a case study of a computer scientist learning and using the cognitive walkthrough (CW) technique to assess a multimedia authoring tool. Compares the predictions produced by the analysis to the usability problems actually found in empirical usability tests. The concepts of cognitive walkthrough were learnable by the analyst who had little prior training in psychology or human-computer interaction, flexible enough for the analyst to make reasonable modifications to the technique to fit the design situation, but disappointingly ineffective in predicting actual user problems. Presents hypotheses about the cases of low effectiveness, which suggests that additional knowledge, currently tacit in CW-experts, could be used to improve the technique. The emergent picture of the process this evaluator went through to produce his analysis sets realistic expectations for other novice analysts who contemplate learning and using cognitive walkthroughs
Footnote
Contribution to a special topic issue on current research in human-computer interaction

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