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Many people have significant difficulties while using information technology (IT) devices. This study suggests a new concept of IT interaction disability (ITID) to understand the significant difficulties that users may encounter while using IT devices. The task, interface, and context (TIC) framework for classifying the types of ITID is also developed; this framework includes three components: tasks, user interface elements, and context factors. A case study in which visually impaired people used smartphones was conducted to illustrate the types of ITID and to show the applicability of the TIC framework. The result of this study can provide insights to researchers to improve the understanding of the significant difficulties of using IT devices and to analyse these difficulties systematically. [ABSTRACT FROM PUBLISHER]

The term user experience (UX) encompasses the concepts of usability and affective engineering. However, UX has not been defined clearly. In this study, a literature survey, user interview and indirect observation were conducted to develop definitions of UX and its elements. A literature survey investigated 127 articles that were considered to be helpful to define the concept of UX. An in-depth interview targeted 14 hands-on workers in the Korean mobile phone industry. An indirect observation captured daily experiences of eight end-users with mobile phones. This study collected various views on UX from academia, industry, and end-users using these three approaches. As a result, this article proposes definitions of UX and its elements: usability, affect, and user value. These results are expected to help design products or services with greater levels of UX. © 2011 Wiley Periodicals, Inc. This article was published online on 20 October 2011. An error was subsequently identified. This notice is included in the online and print versions to indicate that both have been corrected 13 June 2013. [ABSTRACT FROM AUTHOR]