The case against user interface consistency
Communications of the ACM
Enhancing the explanatory power of usability heuristics
CHI '94 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Deterrence, Reputations, and Competitive Cognition
Management Science
Credibility and computing technology
Communications of the ACM
The elements of computer credibility
Proceedings of the SIGCHI conference on Human Factors in Computing Systems
Believe it or not: factors influencing credibility on the Web
Journal of the American Society for Information Science and Technology
Designing Web Usability: The Practice of Simplicity
Designing Web Usability: The Practice of Simplicity
Usability Engineering
International standards for HCI and usability
International Journal of Human-Computer Studies
Elements that affect web credibility: early results from a self-report study
CHI '00 Extended Abstracts on Human Factors in Computing Systems
The attraction of personalized service for users in mobile commerce: an empirical study
ACM SIGecom Exchanges - Mobile commerce
Designing the User Interface: Strategies for Effective Human-Computer Interaction (4th Edition)
Designing the User Interface: Strategies for Effective Human-Computer Interaction (4th Edition)
The conceptualization and empirical validation of web site user satisfaction
Information and Management
BT Technology Journal
The Laws of Simplicity
Design aesthetics leading to m-loyalty in mobile commerce
Information and Management
Providing web services to mobile users: the architecture design of an m-service portal
International Journal of Mobile Communications
How people use the web on mobile devices
Proceedings of the 17th international conference on World Wide Web
Minimalism: Designing Simplicity
Minimalism: Designing Simplicity
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Korean IT industry has noticed innovative changes emerging along with the increased popularity of smartphones. Increase of smartphone user has extended the smartphone business arena from simple and personal applications and content to professional software for the purpose of working in- and out of the office. In this regard, developing their services to be mobile-friendly would be important business strategies for Web business companies. The mobile data traffic in Korea had been 11.2 times increased from January 2010 to January 2011 and the average traffic per user in Korea is much higher than other countries. Usage of smartphones also has been steadily increased with the diffusion of smartphones. This may indicate that the dependency level on mobile portal service in Korea would be higher and more important than in other countries. This study analyzes the influences of UI simplicity and UI consistency on user perceptions of mobile portal services using PLS methodology. Simplicity shows a greater effect on usability and credibility than does consistency although consistency also shows a significant effect. In this regard, developing mobile Web services to be simple by following the selection and concentration strategy can be an effective strategic approach. Credibility shows a greater and direct effect on user satisfaction in this study than simplicity. But it does not mean that the perceived credibility should be treated simply as more important to user satisfaction than usability. Credibility of mobile Web services would be concreted more when the perceived usability would be developed with proper UI simplicity and consistency following the suggestion of Mann and Sahni. Also satisfaction significantly turns out to mediate the effect of credibility on loyalty. This study contributes as an earlier study on how and what the mobile Web service providers should design and provide their services.