Journal
JOURNAL OF RESEARCH IN PERSONALITY
Volume 45, Issue 1, Pages 10-18Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jrp.2010.11.002
Keywords
Impulsivity; Alcohol; Illicit drugs; Reward drive; Reward sensitivity; Rash impulsiveness; Substance abuse; Addiction; Structural equation modeling; 2-CARS
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Multiple lines of evidence suggest impulsivity comprises two distinct components relevant to substance misuse. Reward drive reflects sensitivity to rewarding stimuli and subsequent approach motivation. Rash impulsiveness reflects the ability to inhibit such approach behavior in light of negative consequences. However, several studies suggest the latter trait to be a more robust predictor. This begs the question as to whether a less parsimonious two-factor model is necessary. This study employed structural equation modeling to compare the fit of one- and two-factor impulsivity models to alcohol and drug use data provided by British (n = 183) and Australian (n = 271) young adults. Results consistently supported the two-factor model and its cross-cultural consistency, with rash impulsiveness being the more robust predictor. (C) 2010 Elsevier Inc. All rights reserved.
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