Real or imagined? A study exploring the existence of common method variance effects in road safety research

Barraclough, Peter, af Wåhlberg, Anders, Freeman, James, Davey, Jeremy, & Watson, Barry (2014) Real or imagined? A study exploring the existence of common method variance effects in road safety research. In Ahram, T., Karwowski, W., & Marek, T. (Eds.) Proceedings of the 5th International Conference on Applied Human Factors and Ergonomics (AHFE 2014), Krakow, Poland.

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Abstract

Common method variance (CMV) has received little attention within the field of road safety research despite a heavy reliance on self-report data. Two surveys were completed by 214 motorists over a two-month period, allowing associations between social desirability and key road safety variables and relationships between scales across the two survey waves to be examined. Social desirability was found to have a strong negative correlation with the Driver Behaviour Questionnaire (DBQ) sub-scales as well as age, but not with crashes and offences. Drivers who scored higher on the social desirability scale were also less likely to report aberrant driving behaviours as measured by the DBQ. Controlling for social desirability did not substantially alter the predictive relationship between the DBQ and the crash and offences variables. The strength of the correlations within and between the two waves were also compared with the results strongly suggesting that effects associated with CMV were present. Identification of CMV would be enhanced by the replication of this study with a larger sample size and comparing self-report data with official sources.

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ID Code: 76184
Item Type: Conference Paper
Refereed: Yes
Keywords: social desirability, common method variance, self-report, road safety
ISBN: 9781495120978
Subjects: Australian and New Zealand Standard Research Classification > PSYCHOLOGY AND COGNITIVE SCIENCES (170000) > PSYCHOLOGY (170100) > Psychological Methodology Design and Analysis (170110)
Divisions: Current > Research Centres > Centre for Accident Research & Road Safety - Qld (CARRS-Q)
Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Psychology & Counselling
Copyright Owner: Copyright 2014 [please consult the author]
Deposited On: 23 Sep 2014 22:54
Last Modified: 25 Sep 2014 10:47

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