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Accounting for the Speed-Accuracy Trade-Off in Quantifying Human-In-The-Loop Error Probabilities  (2014)
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Human-in-the loop (HITL) simulations cannot collect enough data from human operators to validate estimates of error probabilities for task components. Error rates for tasks have been estimated by using laboratory data for error rates depending on variables such as the cognitive complexity of the task. The limited channel capacity of human operators compels error rates to be strongly related to the time available for the task, the speed-accuracy trade-off. HITL simulations can provide valuable data on the time available for the operator's tasks. We propose that the response times be used in conjunction with measured speed-accuracy curves to estimate the operator error rates contributing to mission failure. Such analyses should be especially important in the estimation of error rates in off-nominal situations.
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Accuracy, Error, HITL, Human-In-The-Loop, Probabilities, Quantifying, Speed, Trade-Off
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Proceedings of AIAA SciTech Forum and Exposition. Grapevine, TX. January 9-13, 2017
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Curator: Phil So
NASA Official: Alonso Vera
Last Updated: August 15, 2019