Correspondence between simulator and on-road drive performance: Implications for assessment of driving safety

Nazan Aksan, Sarah D. Hacker, Lauren Sager, Jeffrey Dawson, Steven Anderson, Matthew Rizzo

Research output: Contribution to journalArticlepeer-review

20 Scopus citations


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.

Original languageEnglish (US)
Article number8
JournalGeriatrics (Switzerland)
Issue number1
StatePublished - Mar 1 2016


  • Driving safety
  • Older driver
  • Relative validity

ASJC Scopus subject areas

  • Health(social science)
  • Aging
  • Gerontology
  • Geriatrics and Gerontology


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