Identifying immediate intention during usability evaluation

  • Authors:
  • Jonathan Howarth

  • Affiliations:
  • Virginia Tech, Blacksburg, VA

  • Venue:
  • Proceedings of the 44th annual Southeast regional conference
  • Year:
  • 2006

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Abstract

Usability engineers rely on the usability information generated during evaluation activities to make decisions on which usability problems to fix and how to fix them. Anecdotal evidence, however, suggests that usability engineers often do not capture all necessary usability data, which limits their ability to understand and correct usability problems. We believe that the necessary usability data is the user's immediate intention, a term that we use to refer to the type of action involved (e.g., sensory, cognitive, physical) in the context of the user's interaction with the interface when the user experiences a usability problem. We discuss exploratory studies and an analogy to diagnosis in the medical field that led to the development of the concept of immediate intention. In addition, we introduce the Wizard, a tool for helping usability engineers identify immediate intention, and present the results of formative studies of the Wizard.