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Jane Joseph

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Publications by Jane Joseph (bibliography)

1991

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Geottl, Barry P. and Joseph, Jane (1991): Performance Feedback and the Optimum-Maximum Procedure. In: Proceedings of the Human Factors Society 35th Annual Meeting 1991. pp. 1486-1490.

“The present experiment examines the effects of on-line feedback in the optimum-maximum procedure proposed by Navon (1985). Twenty Clemson University students performed a dual-task consisting of two compensatory tracking tasks. Subjects performed three different dual-task combinations in which the tracking dynamics of the two tasks was varied. Each tracking task was optimized at three levels. One group received on-line feedback on both tasks, the other group did not. Results indicated modest performance trade-offs between tracking tasks. The performance trade-offs appeared to be stronger when on-line feedback was used. These data demonstrate the effects of on-line feedback on dual-task performance and suggest that conclusion concerning resource trade-offs may depend on whether performance feedback is provided.”

1990

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Goettl, Barry P. and Joseph, Jane (1990): Central Processing Load, Response Demands and Tracking Strategies. In: D., Woods, and E., Roth, (eds.) Proceedings of the Human Factors Society 34th Annual Meeting 1990, Santa Monica, USA. pp. 1504-1508.

“The present experiment investigates the processing demands associated with two tracking strategies: double-impulse and continuous. Twelve subjects performed a Sternberg memory search task concurrently with a compensatory tracking task using either strategy. Central processing demands of both tasks were manipulated as well as the response demands of the Sternberg task. The two tasks showed little resource competition for central processing resources. Response load resulted in resource competition, but did not show any strategy differences. Results are discussed with regard to the importance of understanding strategy differences for workload analysis.”

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