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http://dx.doi.org/10.7838/jsebs.2021.26.4.053

Elicitation of User-Centered Usability Attributes and Comparison of Attributes between User Group and Developer Group: Focus on Mobile Trading System  

Lee, Woon-Kyo (Korea Financial IT Co., Ltd.)
Kim, Ja-Hee (Department of Industrial Information Systems, Graduate School of Public Policy and Information Technology, Seoul National University Of Science & Technology)
Publication Information
The Journal of Society for e-Business Studies / v.26, no.4, 2021 , pp. 53-79 More about this Journal
Abstract
With the revitalization of non-face-to-face transactions, the difference between the size of branches and transaction costs among securities firms has decreased, and the importance of the stock trading system has increased. In particular, the mobile trading system has become more important due to the increase in the proportion of transactions in the mobile trading system, which is widely used by individual investors, and the increase in the number of individual investors after COVID-19. However, user-centered usability studies are insufficient as usability studies on mobile trading systems are conducted through literature surveys or survey methods. Therefore, in this study, a repertory grid technique that finds user's empirical perception was used to find out user-centered usability attributes. The usability attributes of the mobile trading system from the user's point of view were elicited, and the difference in the usability attributes in terms of frequency and importance between the user group and the developer group was identified.
Keywords
Mobile Trading System; Usability Attribute; Repertory Grid Technique;
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