Developing an expert evaluation method for user eXperience of cross-platform web services

  • Authors:
  • Kaisa Väänänen-Vainio-Mattila;Minna Wäljas

  • Affiliations:
  • Tampere University of Technology, Tampere, Finland and Nokia Research Center, Tampere, Finland;Tampere University of Technology, Tampere, Finland

  • Venue:
  • Proceedings of the 13th International MindTrek Conference: Everyday Life in the Ubiquitous Era
  • Year:
  • 2009

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Abstract

Positive user experience (UX), including its pragmatic and hedonic aspects, is a central design target for interactive products and services. Increasingly, new types of Web services are developed for both PCs and mobile terminals to support user needs for media content management and social interaction. Even though many UX models have been developed, the specific characteristics affecting UX of Web services and their implications to service design have not been studied systematically. Furthermore, low-cost methods for UX evaluation are still almost non-existent. In this paper we present the results of our service UX study in which three Web services were evaluated by experts in their contexts of use, using a set of service UX evaluation heuristics. The evaluation results point out eight main themes of service UX, including usability, social presence, cross-platform interaction, and informing users about the dynamic changes in the service. We discuss the issues related to the suitability of the expert evaluation method for Web service UX evaluation.