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Patricia A. Cashion

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Publications by Patricia A. Cashion (bibliography)

1995

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Andre, Anthony D. and Cashion, Patricia A. (1995): Tracking Hesitations as a Function of Task/Control Integration. In: Proceedings of the Human Factors and Ergonomics Society 39th Annual Meeting 1995. pp. 1370-1374.

“This study examines the issue of compatibility between task requirements (integrated vs. independent) and control configurations (integrated vs. separated) in the context of a dual-task environment. In the two experiments reported here, subjects were required to time-share a continuous tracking task with a discrete response task. The results showed a greater number of tracking hesitations when these tasks were mapped to separate controls than when they were mapped to the same control, regardless of the level of task integration employed here. We conclude that integrated controls produce less hesitations for time-shared integrated tasks and displays, but can not make conclusions concerning the optimal control configuration for time-shared independent tasks. The results also highlight the multi-dimensional nature of the concept of task integration and suggest that display and temporal dimensions of the concept might outweigh the response dimension.”

1993

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Andre, Anthony D., Heers, Susan T., McCann, Robert S. and Cashion, Patricia A. (1993): Preview and Practice: Effects on Scheduling Behavior in a Simulated Flight Task. In: Proceedings of the Human Factors and Ergonomics Society 37th Annual Meeting 1993. pp. 132-136.

“The present study examined pilot scheduling behavior in the context of simulated instrument flight. Over the course of the flight, pilots flew along specified routes while concurrently performing three different flight-related secondary tasks. Seven pilots flew the simulation with no preview of future workload conditions, while another seven received preview information in the form of both written instruction and practice. The results show evidence for both macro and micro scheduling strategies. Specifically, those pilots with preview of future workload demands adopted an efficient macro strategy of scheduling more of the difficult secondary tasks during the low workload phase of flight. Subjects in both groups engaged in micro scheduling strategies as a function of flight path workload and secondary task workload.”

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