title: Small sample sizes, overextraction, and unrealistic expectations: A commentary on M. Mattsson.
abstract: 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.
authors: Department of BioMechanical Engineering, Faculty of Mechanical, Maritime and Materials Engineering, Delft University of Technology, Mekelweg 2, 2628 CD Delft, The Netherlands. j.c.f.dewinter@tudelft.nl
authors: J C F
authors: JC
authors: de Winter
mesh_terms: D001334:Automobile Driving / Q000523:psychology*; D005260:Female; D006801:Humans; D008297:Male; D015233:Models, Statistical; D011581:Psychological Tests; D011795:Surveys and Questionnaires