Journal
ERGONOMICS
Volume 58, Issue 10, Pages 1745-1769Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/00140139.2015.1030460
Keywords
Driver Behaviour Questionnaire; errors; violations; self-reported accidents; crashes; meta-analysis
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This article synthesises the latest information on the relationship between the Driver Behaviour Questionnaire (DBQ) and accidents. We show by means of computer simulation that correlations with accidents are necessarily small because accidents are rare events. An updated meta-analysis on the zero-order correlations between the DBQ and self-reported accidents yielded an overall r of .13 (fixed-effect and random-effects models) for violations (57,480 participants; 67 samples) and .09 (fixed-effect and random-effects models) for errors (66,028 participants; 56 samples). An analysis of a previously published DBQ dataset (975 participants) showed that by aggregating across four measurement occasions, the correlation coefficient with self-reported accidents increased from .14 to .24 for violations and from .11 to .19 for errors. Our meta-analysis also showed that DBQ violations (r=.24; 6353 participants; 20 samples) but not DBQ errors (r=-.08; 1086 participants; 16 samples) correlated with recorded vehicle speed.Practitioner Summary: The DBQ is probably the most widely used self-report questionnaire in driver behaviour research. This study shows that DBQ violations and errors correlate moderately with self-reported traffic accidents.
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