Small sample sizes, overextraction, and unrealistic expectations: A commentary on M. Mattsson

► Mattsson concluded that Driver Behaviour Questionnaire is not factorially invariant. ► This commentary contests these findings. ► Mattsson used too small sample sizes and extracted too many factors. ► I show that factor patterns of male and female novice drivers are highly similar. In a recent art...

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Veröffentlicht in:	Accident analysis and prevention 2013-01, Vol.50, p.776-777
1. Verfasser:	de Winter, J.C.F.
Format:	Artikel
Sprache:	eng
Schlagworte:	Automobile Driving - psychology Biological and medical sciences Commentary Driver Behaviour Questionnaire Errors and violations Factorial invariance Female Humans Male Medical sciences Miscellaneous Models, Statistical Prevention and actions Psychological Tests Public health. Hygiene Public health. Hygiene-occupational medicine Surveys and Questionnaires
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Zusammenfassung:	► Mattsson concluded that Driver Behaviour Questionnaire is not factorially invariant. ► This commentary contests these findings. ► Mattsson used too small sample sizes and extracted too many factors. ► I show that factor patterns of male and female novice drivers are highly similar. In a recent article about the Manchester Driver Behaviour Questionnaire (DBQ), Mattsson (2012) concluded that the factor structure was not invariant across subgroups of respondents. This commentary contests this conclusion.
ISSN:	0001-4575 1879-2057
DOI:	10.1016/j.aap.2012.07.003