Supporting dynamic change detection: using the right tool for the task

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Author
Vallières, Benoît R.
Hodgetts, Helen M.
Vachon, François
Tremblay, Sébastien
Date
2016-12-19Acceptance date
2016-11-17
Type
Article
Publisher
Springer
ISSN
2365-7464
Metadata
Show full item recordAbstract
Detecting task-relevant changes in a visual scene is necessary for successfully monitoring and managing dynamic command and control situations. Change blindness—the failure to notice visual changes—is an important source of human error. Change History EXplicit (CHEX) is a tool developed to aid change detection and maintain situation awareness; and in the current study we test the generality of its ability to facilitate the detection of changes when this subtask is embedded within a broader dynamic decision-making task. A multitasking air-warfare simulation required participants to perform radar-based subtasks, for which change detection was a necessary aspect of the higher-order goal of protecting one’s own ship. In this task, however, CHEX rendered the operator even more vulnerable to attentional failures in change detection and increased perceived workload. Such support was only effective when participants performed a change detection task without concurrent subtasks. Results are interpreted in terms of the NSEEV model of attention behavior (Steelman, McCarley, & Wickens, Hum. Factors 53:142–153, 2011; J. Exp. Psychol. Appl. 19:403–419, 2013), and suggest that decision aids for use in multitasking contexts must be designed to fit within the available workload capacity of the user so that they may truly augment cognition.
Journal/conference proceeding
Cognitive Research: Principles and Implications;
Citation
Vallières, B.R., Hodgetts, H.M., Vachon, F. and Tremblay, S. (2016) 'Supporting dynamic change detection: using the right tool for the task' 1:32. doi:10.1186/s41235-016-0033-4
Description
This article was published in Cognitive Research: Principles and Implications on 19 December 2016 (online) available at http://dx.doi.org/10.1186/s41235-016-0033-4
Sponsorship
Cardiff Metropolitan University (Grant ID: Cardiff Metropolian (Internal))
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