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An examination of the relationships between cannabis use, driving under the influence of cannabis and risk-taking on the road = Étude des relations entre l’usage de cannabis, la conduite sous l’effet du cannabis et la prise de risque sur la route.
20150315 ST [electronic version only]
Bergeron, J. Langlois, J. & Cheang, H.S.
Revue Européenne de Psychologie Appliquée/European Review of Applied Psychology, Vol. 64 (2014), No. 3 (May), p. 101-109, 60 ref.

Samenvatting Some studies have suggested that regular cannabis users appear to exhibit a general reckless driving style that may contribute to an inflated estimate of collisions related to driving under the influence of cannabis (DUIC) among this group. This study investigated whether patterns of cannabis use would predict levels of self-reported unsafe driving behaviours and levels of performance observed in a driving simulator. The study investigated 48 young cannabis users with respect to frequency of cannabis consumption, alcohol use, driving exposure, self-reported dangerous driving habits, impulsivity, sensation seeking and performance in a driving simulator. Cannabis use was positively associated with DUIC, with sensation seeking and with self-reports of risky driving. An ANOVA confirmed a significant effect of levels of consumption of cannabis among participants on self-report risk-taking in driving. Moreover, the observed behaviours during the simulation tasks correlated with risky driving habits, and with the self-reported frequency of driving in the hour following smoking cannabis or immediately after drinking alcohol. Since cannabis usage and DUIC appear to be related to an overall reckless style of driving, it is proposed that public safety policies should be more holistic, simultaneously targeting multiple on-road dangerous behaviours for intervention. (Author/publisher)
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