PERFORMANCE OF VIGILANCE AND MONITORING TASKS AS A FUNCTION OF WORKLOAD

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Abstract
The study was conducted to obtain control data on the performance of three passive tasks--auditory vigilance, warning lights monitoring, and probability monitoring-performed previously in conjunction with three active tasks. Subjects were tested for 4 hours on each of 6 successive days. A task schedule requiring performance of all six tasks was employed on 2 hours of each daily session, while performance on the passive tasks alone was carried out during the remaining 2 hours. Performance on auditory vigilance, green warning lights, and probability monitoring was found to be superior when these passive tasks were performed alone. No difference in performance was found for red warning lights. (Author)

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