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DRIVESC2 Drive Screening 2

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Application

The DRIVESC2 test set Drive Screening 2 captures early indications of impaired fitness to drive or driving safety in patients with neurological and/or psychiatric disorders.

DRIVESC2 gives users in hospitals and practical settings an efficient investigative tool that can be used to obtain a valid assessment of patients’ fitness to drive or driving safety. A wide range of diseases and disorders can affect mental ability. In the context of fitness to drive or driving safety, relevant impairments may be either persistent (e.g. dementia) or temporary (e.g. linked to medication levels).
The test set is worked with the computer mouse or by touch-screen. It can be administered in both one-on-one and group settings. The testing can be done using either the standard instructions or supervisor-supported instructions. It is important to emphasize that this is a screening test that cannot replace a detailed investigation of driving safety or fitness to drive. It is intended to be used in clinical settings to provide an economical and valid aid to decision-making when considering whether to refer a patient for further psychological and medical driving-related investigations.

Validation

Definition of the dimensions covered by the DRIVESC2 test set was based on information from current theoretical models of driving behavior and empirical data analysis. Particular attention was paid to empirical studies of the use of psychometric tests to predict driving behavior in people with neurological disorders, especially various forms of dementia or mild neurocognitive disorders.

The findings of recent meta-analyses indicate that impairments of attention, the executive functions or visual-spatial abilities are likely to have an adverse effect on driving behavior. To cover these dimensions efficiently, the test set uses established tests such as the TMT-L Trail Making Test – Langensteinbach version and the LAT Line Orientation Test.
Part A of the TMT-L measures information processing speed and attention, which play a part in action planning and concrete implementation of the driving process. Part B of the TMT-L measures cognitive flexibility, which makes an important contribution to action planning and the handling of unforeseen situations. In addition, the LAT provides information on basic visual-spatial perception ability, which is called for in connection with tasks such as maneuvering the vehicle, estimating distances and predicting traffic situations.

A study of this issue is being conducted by SCHUHFRIED with LMU Munich and the kbo-Inn-Salzach-Klinikum; it is due to be completed by the end of 2020.

Scoring

  • Table of raw scores, percentile ranks and confidence intervals and assessment of cognitive impairment by means of an easily understood traffic-light system (red-yellow-green) based on pre-defined cut-off scores.
  • DRIVESC2 index for rapid assessment of cognitive ability.
  • Profile.
  • Written report with profile diagram and verbal description of the individual results.

Dimensions

The DRIVESC2 test set comprises the following dimensions and tests:
Dimensions Tests Testform/Subtests Duration in minutes
Total length if all dimensions are presented approx. 2
Attention
Processing speed TMT Part A approx. 1
Executive functions
Cognitive flexibility TMT Part B approx. 1
The following test can be used to test other functions if required:
Dimensions Tests Testform/Subtests Duration in minutes
Visual-spatial perception
Visual orientation ability LAT approx. 5

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Test information

cross-test scoring
cross-test norming
cross-test validation
based on statutory requirements
test(s) specifically adapted for test set
additional device required

The DRIVESC2 test set can be administrated online via open mode or controlled mode.

Languages

English
German

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