Factors influencing user feedback on predicted satisfaction with software systems

  • Authors:
  • Rumyana Proynova;Barbara Paech

  • Affiliations:
  • Software Engineering Group, Institute for Computer Science, University of Heidelberg, Germany;Software Engineering Group, Institute for Computer Science, University of Heidelberg, Germany

  • Venue:
  • REFSQ'13 Proceedings of the 19th international conference on Requirements Engineering: Foundation for Software Quality
  • Year:
  • 2013

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Abstract

[Context and motivation] Requirements engineers need feedback from users on planned system features. The simplest way is to present feature descriptions to the users and ask for their opinion. [Problem/question] The feedback users can give in such a situation is not always accurate. The mechanisms which cause a mismatch between actual and predicted user satisfaction are currently not well understood. [Method/results] We used the results from a previous study we conducted, together with insights on consumer satisfaction from marketing, to create a working model of predicted user satisfaction. We validated the model with a new, more extensive empirical study. [Contribution] We present a model of predicted user satisfaction. Unlike the existing models of user satisfaction for software systems, it can be used for gathering feedback before a user has had experience with a software system. Our study shows that measuring predicted satisfaction can deliver a good approximation of actual satisfaction, although there is some prediction discrepancy which could be reduced by choosing the right combination of influence factors.