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Using cognitive work analysis and the strategies analysis diagram to understand variability in road user behaviour at intersections
Journal article   Peer reviewed

Using cognitive work analysis and the strategies analysis diagram to understand variability in road user behaviour at intersections

M Cornelissen, Paul M Salmon, Roderick McClure and Neville A Stanton
Ergonomics, Vol.56(5), pp.764-780
2013
url
https://doi.org/10.1080/00140139.2013.768707View
Published Version

Abstract

cognitive work analysis strategies analysis diagram performance variability road transport
In this article, an application of cognitive work analysis (CWA), using the strategies analysis diagram (SAD) method, to model performance variability in road transport, is presented. Specifically, the method was used to describe performance variability across four road user groups (drivers, cyclists, motorcyclists and pedestrians) when turning right at an urban signalised intersection. The analysis demonstrated that the method was able to identify a comprehensive range of strategies that road users can potentially use while turning right at an intersection, thereby describing a range of performance variability within intersection systems. Furthermore, the method identified constraints, disturbances, changes in circumstances and other influences on road user performance variability. It is concluded that the CWA/SAD approach was able to describe both the different ways in which activities can be executed and disturbances, situations and constraints that create performance variability. The implications of these findings for road design and intersection safety are discussed along with the benefits and drawbacks of the methodology used.

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Collaboration types
Domestic collaboration
International collaboration
Web Of Science research areas
Engineering, Industrial
Ergonomics
Psychology
Psychology, Applied
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