Driver Behaviour Questionnaire (DBQ)
Measures typical driving behaviours across three categories: Errors (unintended mistakes), Violations (deliberate rule-breaking), and Lapses (attention and memory failures). Based on Reason et al.'s classic Driver Behaviour Questionnaire. 20 items.
Important notice
Test results are for informational purposes only and do not constitute a clinical diagnosis. If in doubt, consult a specialist.
Learn more →Before you start
What does this test measure?
Dimensions measured in this test
Driver Errors
Frequency of unintended driving mistakes.
Traffic Violations
Frequency of deliberately breaking traffic regulations.
Driver Lapses
Frequency of attention and memory failures while driving.
How does the test work?
The test consists of 20 statements. For each one, indicate how much you agree using a 5-point scale — from "strongly disagree" to "strongly agree." There are no right or wrong answers — respond honestly and spontaneously.
Completing the test takes approximately 8 minutes. You can take it on a computer or phone — your answers are saved automatically.
How to interpret results?
After completing the test, you will receive detailed results for each dimension along with interpretation. Your scores are compared against population norms, so you can see how you compare to others.
Scientific basis
This test is based on established scientific literature and is used in psychological research worldwide. Questions come from public, validated psychometric instruments.
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Frequently asked questions
Is this test free?▼
Yes, the test is completely free. You will see your results immediately after completing it — no registration required.
How long does it take to complete?▼
It takes approximately 8 minutes. The test contains 20 questions.
Are the results accurate?▼
The test is based on validated psychometric instruments used in scientific research. Results are indicative and educational — they do not replace clinical diagnosis.
Can I save my results?▼
Yes — after logging in, results are automatically saved to your profile. You can also compare results from different tests in the psychological profile view.