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David Kancler

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Publications by David Kancler (bibliography)

2009

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Taylor, Brian, Arbuckle, Nicole, Kancler, David and Havig, Paul (2009): Maintaining Vigilance with Auditory and Visual Cues in Command and Control Environments. In: Proceedings of the Human Factors and Ergonomics Society 53rd Annual Meeting 2009. pp. 1047-1051.

“The current study evaluates the use of auditory and visual stimuli as cues to prompt the shift of attention between small screen and large screen displays in a Command and Control (C2) environment. The use of spatial audio displays has been shown to reduce workload and improve target detection times. This design employed a two-screen model with multiple targets as well as a multimodal cuing strategy. Ten participants completed eight monitoring task sessions consisting of four different cuing conditions: no cuing, auditory cuing, visual cuing, and combined auditory and visual cuing. Reaction times and accuracy rates, in addition to perceived workload and preference, were compared across all four conditions. It was found that visual cues, auditory cues, and the combined presentation of visual and auditory cues, resulted in faster response times when compared to no cuing. No differences were found between prompting types. The findings of this study apply to the C2 environment, as well as other multi-task environments that may require time-sensitive responses to events and information represented on multiple visual displays.”

1995

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Quill, Laurie L. and Kancler, David (1995): Subjective Workload Measurement: An Aid in Evaluating Flightline Maintenance Systems. In: Proceedings of the Human Factors and Ergonomics Society 39th Annual Meeting 1995. pp. 1209-1213.

“Armstrong Laboratory, Logistics Research Division performed an evaluation to determine whether flightline maintenance was improved by using a computerized, integrated maintenance information system (IMIS) for different types of users. The laboratory's evaluation overcame several logistical problems common to conducting research outside a laboratory setting. Such problems include obtaining representative subjects, controlling for extraneous variables, and gathering adequate sample data. The present study includes 24 maintenance technicians (12 avionics specialists and 12 crew chief non-specialists). Each subject performed 12 maintenance tasks (6 using electronic and 6 using paper presentation). Subjective workload ratings and objective performance times were measured. Subjective workload (using National Aeronautics and Space Administration-Task Load Index (NASA-TLX)) and objective performance results revealed similar interactions. Using paper-based presentations, crew chiefs gave significantly higher subjective workload ratings than avionics specialists and significantly longer total performance time (e.g., time-to-complete). However, there were no significant differences between the two groups when using electronic-based presentations.”

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