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Validation of Variations in Mental Workload as a Function of Scenario Difficulty: Traffic Density and Visibility. Final Report.
| 题名： | Validation of Variations in Mental Workload as a Function of Scenario Difficulty: Traffic Density and Visibility. Final Report. |
| 作者： | NONE |
| 关键词： | *Visibility-; *Workloads-Psychophysiology; *Computerized-simulation; *Air-traffic; *Mental-performance.;Urban-transportation; Imaging-techniques; Electroencephalography-; Detection-; Real-time-operation. |
| 摘要： | Fluctuations in mental workload can be expected as a function of traffic density and visibility. The aim of the current investigation was to establish simulation scenarios that differed in attentional processing requirements. Four scenarios were created and tested representing two levels of traffic density (urban versus freeway) and two levels of visibility (clear versus foggy). An array of mental workload assessment measures were used to exam changes in attentional processing requirements in each scenario. The assessment array consisted of physiological (P300 amplitude and latency) and behavioral (RT and accuracy) indices. Preliminary results indicate that workload differs significantly as a function of traffic density in rural versus freeway scenarios. Workload also differs significantly in rural versus freeway scenarios as a function of visibility as observed by a significant interaction between the two variables of interest. Results are discussed in terms of their application for validating the difficulty level of simulation scenarios as a format for examining mental workload. |
| 报告类型： | 科技报告 |
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