Dynamics of user experience: How the perceived quality of mobile phones changes over time

von Wilamowitz-Moellendorff, M., Hassenzahl, M., and Platz, A. (2006). Dynamics of user experience: How the perceived quality of mobile phones changes over time. In User Experience – Towards a unified view, Workshop at the 4th Nordic Conference on Human-Computer Interaction, pages 74-78.

The way we use and experience an interactive product is a dynamic process. Surprisingly, only a very small number of studies in the context of Human-Computer Interaction (HCI) attempt to track and explain changes in behavior and experience over time. The present paper introduces CORPUS (Change Oriented analysis of the Relationshipbetween Product and USer), an interview technique to reconstruct changes in user experience over a period of morethan one year. Preliminary results (addressing the domain of mobile phones) revealed characteristic changes. Whereas pragmatic perceptions remained stable (utility) or even improved over time (usability), hedonic perceptions (stimulation, beauty, communicate identity) exclusively deteriorated. Stimulation showed an accelerated deterioration, caused by increasing habituation, whereas deterioration of beauty and identity was induced by comparisons with otherpeoples’ products. All in all, we argue for a more dynamic perspective to user experience.

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