Validity and usability of a safe driving behaviors measure for older adults : strategy for congestion mitigation.
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Validity and usability of a safe driving behaviors measure for older adults : strategy for congestion mitigation.

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English
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  • Creators:
    Classen, Sherrilene
  • Corporate Creators:
    University of Florida. Center for Multimodal Solutions for Congestion Mitigation
  • Subject/TRT Terms:
  • Publication/ Report Number:
    CMS # 2010-012
  • Resource Type:
    Tech Report
  • Geographical Coverage:
    United States
  • Corporate Publisher:
    University of Florida. Center for Multimodal Solutions for Congestion Mitigation
  • NTL Classification:
    NTL-SAFETY AND SECURITY-Accidents;NTL-SAFETY AND SECURITY-Highway Safety;NTL-SAFETY AND SECURITY-Human Factors;
  • Abstract:
    Statistics project that crash/injury/fatality rates of older drivers will increase with the future growth of

    this population. Accurate and precise measurement of older driver behaviors becomes imperative to

    curtail these crash trends and resulting congestion. The Comprehensive Driving Evaluation (gold

    standard test) is highly valid and reliable, but limitations include being time-consuming, providing

    limited access, and holding an element of threat (mandatory/ ethical reporting upon failing). Self-report

    is a means to identify older adults’ safe driving behaviors, increase driving safety awareness/

    knowledge, and promote behavior change and safer driving outcomes. Existing measures are limited in

    accurately assessing older driver behaviors due to length, respondent burden, and inadequately

    representing driving constructs (i.e. person, vehicle, environment). Current self-report measures fall

    short of providing meaningful descriptions of driving ability level, and do not contribute to targeting risk

    reduction or increasing driving safety strategies. In contrast, item response theory or IRT methods are

    particularly useful to offer precise measurement of driving behaviors. Understanding a driver’s “level”

    of safe driving behaviors is a critical step towards providing an entry point for logical and effective

    interventions, identifying optimal training parameters, and predicting future driving ability. To that end

    we propose the further development of such a measure.

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