Detecting Multiple Classes of User Errors

  • Authors:
  • Paul Curzon;Ann Blandford

  • Affiliations:
  • -;-

  • Venue:
  • EHCI '01 Proceedings of the 8th IFIP International Conference on Engineering for Human-Computer Interaction
  • Year:
  • 2001

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Abstract

Systematic user errors commonly occur in the use of interactive systems. We describe a formal reusable user model implemented in higher-order logic that can be used for machine-assisted reasoning about user errors. The core of this model is a series of non-deterministic guarded temporal rules. We consider how this approach allows errors of various specific kinds to be detected and so avoided by proving a single theorem about an interactive system. We illustrate the approach using a simple case study.