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Lee Fracker

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Publications by Lee Fracker (bibliography)

1987

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Wickens, Christopher D., Fracker, Lee and Webb, Jayson (1987): Cross-Modal Interference and Task Integration: Resources or Preemption Switching?. In: Proceedings of the Human Factors Society 31st Annual Meeting 1987. pp. 679-683.

“Data are reviewed from experiments that have contrasted intra-modal (visual-auditory) presentation. Five different processing mechanisms that are operating in dual stimulus tasks are described, and it is concluded that in the studies where visual scanning is not required, cross-modal effects are of two classes. When the visual task is continuous (tracking), a discrete auditory stimulus will preempt tracking performance relative to a discrete visual stimulus, leading to an effective shift in allocation bias. When both tasks are discrete, the data regarding the relative advantages of cross-vs. intra-modal interference are ambivalent.”

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