Predicting fitness to drive using the visual recognition slide test (USyd)

The authors examined the construct and predictive validity and internal reliability of the Visual Recognition Slide Test developed at the University of Sydney (VRST-USyd). A historical cohort study using retrospective descriptive analysis of VRST-USyd scores and on-road driving performance for 838 d...

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Bibliographic Details
Published in:The American journal of occupational therapy 2008-03, Vol.62 (2), p.187-197
Main Authors: Kay, Lynnette G, Bundy, Anita C, Clemson, Lindy M
Format: Article
Language:English
Subjects:
Adolescent
Adult
Age Factors
Aged
Aged, 80 and over
Automobile drivers
Automobile driving
Automobile Driving - legislation & jurisprudence
Automobiles - legislation & jurisprudence
Cognition
Cognition & reasoning
Cognition Disorders - diagnosis
Cognitive ability
Construct Validity
Drivers
Driving
Female
Health Status
Humans
Life Satisfaction
Male
Middle Aged
Motor vehicle driving
Neuropsychology
Occupational therapy
Older people
Pattern Recognition, Visual
Perception Tests
Predictive Validity
Psychological Tests
Reaction Time
Reliability
Reproducibility of Results
Researchers
Retrospective Studies
Safety and security measures
Screening Tests
Skills
Stroke
Test Results
Testing
Thinking Skills
Validity
Vision
Vision Tests
Visual Measures
Visual Perception
Visual recognition
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Description
Summary:The authors examined the construct and predictive validity and internal reliability of the Visual Recognition Slide Test developed at the University of Sydney (VRST-USyd). A historical cohort study using retrospective descriptive analysis of VRST-USyd scores and on-road driving performance for 838 drivers with impairments was conducted. Rasch analysis provided evidence for the construct validity and internal reliability of the VRST-USyd. Goodness-of-fit statistics for all items were acceptable. The test had high participant and item reliability indexes and separated the participants into four groups with varying levels of skill. Using a cutoff score of 95/164, the sensitivity of the test was 81%, and the specificity was 90%. However, when coupled with clinicians' judgment of participants' awareness of their driving performance during the on-road assessment, this score improved. There is evidence for reliability and construct and predictive validity of the VRST-USyd. The measurement of awareness requires further research.
ISSN:0272-9490
1943-7676
DOI:10.5014/ajot.62.2.187