FROM USABILITY TO USER EXPERIENCE: CONCEPTUALISATION AND RELATIONSHIP
Over the last two decades more and more information has been represented digitally, and communication increasingly has been happening over multiple channels, many of them digital. Availability and use of various interactive devices and the Internet has grown, making human-computer interaction (HCI) ubiquitous. At the same time the whole discipline of HCI has evolved, and its basic concepts like design and usability have become more relevant as people communicate or access information via technological artefacts.
Recent developments in HCI research have shown an increasing interest in the experience that people have when using a system (products, services or artefacts that a person can interact with through a user interface). The term ‘user experience’ is widely used but its multidisciplinary nature has led to several definitions and perspectives. User experience extends the more traditional concept of usability, focused primarily on ease-of-use, by emphasizing pleasure aspects of interaction. Although a considerable amount of literature has been published proposing many definitions and models of user experience, no real consensus has been reached partially because of its complexity.
This paper provides a literature overview of the components and temporal phases of user experience covering different viewpoints of user experience. It traces the development of the concept and attempts to understand how the different approaches to user experience relate to each other. Despite the importance of emotional, hedonic aspects of interaction the shift of focus away from utilitarian qualities of interaction may be premature. Basic functionality and usability requirements should be met prior to adding novel or fun design elements that make the experience pleasing.
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