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    Modelling how humans use decision aids in simulated air traffic control

    Access Status
    Fulltext not available
    Authors
    Strickland, Luke
    Bowden, Vanessa
    Boag, Russell
    Heathcote, Andrew
    Loft, Shayne
    Date
    2020
    Type
    Conference Paper
    
    Metadata
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    Citation
    Strickland, L. and Bowden, V. and Boag, R. and Heathcote, A. and Loft, S. 2020. Modelling how humans use decision aids in simulated air traffic control, in Australasian Mathematical Psychology Conference, Feb 12-14 2020, Coogee, Sydney.
    Source Conference
    Australasian Mathematical Psychology Conference
    Faculty
    Faculty of Business and Law
    School
    Future of Work Institute
    URI
    http://hdl.handle.net/20.500.11937/78026
    Collection
    • Curtin Research Publications
    Abstract

    Air traffic controllers must often decide whether pairs of aircraft will violate safe standards of separation in the future, a task known as conflict detection. Recent research has applied evidence accumulation models (e.g., the linear ballistic accumulator; Brown & Heathcote, 2008) to simulated conflict detection tasks, to examine how the cognitive processes underlying conflict detection are affected by workplace factors such as time pressure and multiple task demands (e.g., Boag, Strickland, Loft & Heathcote, 2019). To meet increasing air traffic demands in future, controllers will increasingly require assistance from automation. Although automation can increase efficiency and overall performance, it may also decrease operator engagement, leading to potentially dire consequences in the event of an automation failure. In the current study, we applied the linear ballistic accumulator model to examine how humans adapt to automated decision aids when performing simulated conflict detection. Participants performed manual conditions, in which they made conflict detection decisions with no assistance. They also performed automated conditions, in which they were provided an (accurate but not perfect) decision aid that recommended a decision on each trial. We found that decision aids improved performance, primarily by inhibiting evidence accumulation towards the incorrect decision. Similarly, incorrect decision aids (i.e., automation failures) impaired performance because accumulation to the correct decision was inhibited. To account for these findings, we develop a framework for understanding human information integration with potentially broad applications. Future research should investigate how cognitive processes are affected by differing levels of automation reliability, and test whether our model applies to other important task contexts.

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