Modelling the hare and the tortoise : predicting the range of in-vehicle task times using critical path analysis

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<title>Modelling the hare and the tortoise</title>
<subTitle>: predicting the range of in-vehicle task times using critical path analysis</subTitle>
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<namePart>Harvey, Catherine</namePart>
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<abstract displayLabel="Summary">Analytic models can enable predictions about important aspects of the usability of in-vehicle information systems (IVIS) to be made at an early stage of the product development process. Task times provide a quantitative measure of user performance and are therefore important in the evaluation of IVIS usability. In this study, critical path analysis (CPA) was used to model IVIS task times in a stationary vehicle, and the technique was extended to produce predictions for slowperson and fastperson performance, as well as average user (middleperson) performance. The CPA-predicted task times were compared to task times recorded in an empirical simulator study of IVIS interaction, and the predicted times were, on average, within acceptable precision limits. This work forms the foundation for extension of the CPA model to predict IVIS task times in a moving vehicle, to reflect the demands of the dual-task driving scenario.</abstract>
<note type="statement of responsibility">Catherine Harvey, Neville A. Stanton</note>
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<title>Ergonomics : the international journal of research and practice in human factors and ergonomics</title>
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<publisher>Oxon [United Kingdom] : Taylor & Francis, 2010-</publisher>
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<identifier type="issn">0014-0139</identifier>
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<text>07/01/2013 Volumen 56 Número 1  - enero 2013 , p. 16-33</text>
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