DIRECT Operational Field Test Evaluation: Human Factors: Driver Performance and Memory for Traffic Messages. Effects of the Number of Messages, Audio Quality, and Relevance
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1998-08-01
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Alternative Title:DIRECT: Operational Field Test Evaluation: Human Factors
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Abstract:Driver Information Radio using Experimental Communication Technologies: In this experiment, 32 licensed drivers (16 young, 16 old) drove on an expressway. On each trial (96 per subject), 1 to 3 traffic messages containing 6 to 14 items were presented. (l-94 Eastbound at Southfield Freeway, continuing construction, right lane blocked, 3 mile backup.). Imagining they were driving from Ann Arbor to Detroit on l-94, subjects identified messages relevant to that route and recalled them. Messages were either of good or poor audio quality (to simulate poor reception).
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