Istituto di Scienza e Tecnologie dell'Informazione     
Paterṇ F., Santoro C. Preventing user errors by systematic analysis of deviations from the system task model. In: International Journal of Human-Computer Studies, vol. 56 (2) pp. 225 - 245. Elsevier Science Inc, 2002.
Interactive safety-critical applications have specific requirements that cannot be completely captured by traditional evaluation techniques. In this paper, we discuss how to perform a systematic inspection-based analysis to improve both usability and safety aspects of an application. The analysis considers a system prototype and the related task model and aims to evaluate what could happen when interactions and behaviours occur differently from what the system design assumes. We also provide a description and discussion of an application of this method to a case study in the air traffic control domain.
Subject model-based evaluation
safety and usability
task models
inspection-based evaluation
H.5.2 User Interfaces

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