The Benefits and the Costs of Using Auditory Warning Messages in Dynamic Decision Making Settings
Hodgetts, Helen M.
Vallieres, Benoît R.
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The failure to notice critical changes in both visual and auditory scenes may have important consequences for performance in complex dynamic environments, especially those related to security such as aviation, surveillance during major events, and command and control of emergency response. Previous work has shown that a significant number of situation changes remain undetected by operators in such environments. In the current study, we examined the impact of using auditory warning messages to support the detection of critical situation changes and to a broader extent the decision making required by the environment. Twenty-two participants performed a radar operator task involving multiple subtasks while detecting critical task-related events that were cued by a specific type of audio message. Results showed that about 22% of the critical changes remained undetected by participants, a percentage similar to that found in previous work using visual cues to support change detection. However, we found that audio messages tended to bias threat evaluation towards perceiving objects as more threatening than they were in reality. Such findings revealed both benefits and costs associated with using audio messages to support change detection in complex dynamic environments.
Journal of Cognitive Engineering and Decision Making;
Chamberland, C., Hodgetts, H.M., Vallières, B., Vachon, F., & Tremblay, S. (2017) 'The benefits and the costs of using auditory warning messages in dynamic decision making settings', Journal of Cognitive Engineering and Decision Making. http://dx.doi.org/10.1177/1555343417735398
This article was published in Journal of Cognitive Engineering and Decision Making on 05 October 2017 (online), available at https://doi.org/10.1177/1555343417735398
Cardiff Metropolitan University (Grant ID: Cardiff Metropolian (Internal))
University of Laval
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