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KMID : 1151720200090020005
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Journal of Korean Society of Cognitive Rehabilitation
2020 Volume.9 No. 2 p.5 ~ p.21
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A Research on Development of Cognitive Function-based Usability Testing Items
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Kim Young-Geun
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Abstract
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Purpose: The purpose of this study is to derive cognitive-centered usability testing key indicators for effective usability evaluation and to develop cognitive function-based usability evaluation items. Research
Method: In order to achieve the purpose of the study, recent literature related to human cognitive characteristics, usability principles, and usability evaluation was searched, analyzed, and synthesized. In the first stage, the literature was categorized into eight areas (cognitive function, perceptual function, Norman’s design principle, universal design principle, system usability scale, Nielson’s usability dimension, usability testing clinical study, and performance measurement data) and investigated the literature. In the second step, the core elements of usability were extracted from the researched literature, and in the third step, the core key words for the cognitive-level usability evaluation were derived. Core key words were analyzed again to create core indicators centered on cognitive function, and evaluation items were selected through validation of experts.
Results: As a result of analyzing previous studies, five human-centered usability principles were selected, and after extracting key elements related to human information processing, 43 key indicators for cognitive usability testing were extracted. Then, by examining the content validity through an expert group, 40 cognitive function-based usability testing items were developed.
Conclusion: The results of this study are meaningful that the usability testing has been extended to the cognitive domain, and the cognitive function-based usability testing items that can be universally applied to various products have been developed.
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KEYWORD
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usability, usability testing, cognitive function, usability testing items
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