A Proposal of Usability Evaluation Method by Rough Set Theory
نویسندگان
چکیده
We herein propose the usability method as a means of extracting the advantages and disadvantages of an interface design. The proposed method is characterized by the combination of the rough set theory, which is a type of quantitative method, and the conventional qualitative method. In addition, we considered and verified the usefulness of the proposed method through a case study involving a digital music player. In the case study, we first calculated the evaluation ranking of five digital music players by the AHP based on rough approximations, based on which a non-transitive relation was calculated. Samples of five digital music players were divided into two groups of high rank and low rank based on the results of evaluation. We then conducted a task analysis and a protocol analysis. As a result, we extracted the advantages and
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