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Correspondence between Simulator and On-Road Drive Performance: Implications for Assessment of Driving Safety

Department of Neurology, University of Iowa, Iowa City, IA 52242, USA
Department of Biostatistics, University of Iowa, Iowa City, IA 52242, USA
Department of Neurological Sciences, University of Nebraska Medical Center, Omaha, NE 68198, USA
Author to whom correspondence should be addressed.
Academic Editor: Max Toepper
Geriatrics 2016, 1(1), 8;
Received: 14 January 2016 / Revised: 7 March 2016 / Accepted: 9 March 2016 / Published: 10 March 2016
(This article belongs to the Special Issue Impaired Driving Skills in Older Adults)
PDF [1034 KB, uploaded 10 March 2016]


Forty-two younger (Mean age = 35) and 37 older drivers (Mean age = 77) completed four similar simulated drives. In addition, 32 younger and 30 older drivers completed a standard on-road drive in an instrumented vehicle. Performance in the simulated drives was evaluated using both electronic drive data and video-review of errors. Safety errors during the on-road drive were evaluated by a certified driving instructor blind to simulator performance, using state Department of Transportation criteria. We examined the degree of convergence in performance across the two platforms on various driving tasks including lane change, lane keeping, speed control, stopping, turns, and overall performance. Differences based on age group indicated a pattern of strong relative validity for simulator measures. However, relative rank-order in specific metrics of performance suggested a pattern of moderate relative validity. The findings have implications for the use of simulators in assessments of driving safety as well as its use in training and/or rehabilitation settings. View Full-Text
Keywords: older driver; relative validity; driving safety older driver; relative validity; driving safety

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Aksan, N.; Hacker, S.D.; Sager, L.; Dawson, J.; Anderson, S.; Rizzo, M. Correspondence between Simulator and On-Road Drive Performance: Implications for Assessment of Driving Safety. Geriatrics 2016, 1, 8.

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