According to recent theories of addiction, the commonly used term impulsivity comprises two factors: rash impulsiveness and reward sensitivity. The present study addresses the relevance and generalizability of this two-factor model in a clinical sample of substance use disorder patients. This was examined by examining both internal and external validity. In addition, a comparison was made between self-reported and behavioral measures reflecting reward sensitivity and rash impulsiveness. Results provide evidence for the existence of the two hypothesized impulsivity factors in a clinical sample of substance dependent patients. Meaningful relationships between the model and drug use characteristics have been found, providing further evidence for the validity of the two-factor model. Furthermore, it is suggested that behavioral and self-report measures of impulsivity represent different constructs. Copyright

Additional Metadata
Keywords Behavioral approach system, Impulsivity, Rash impulsiveness, Reward sensitivity, Substance dependence
Persistent URL dx.doi.org/10.1159/000346178, hdl.handle.net/1765/74415
Journal European Addiction Research
Citation
Boog, M.C, Goudriaan, A.E, van de Wetering, B.J.M, Deuss, H, & Franken, I.H.A. (2013). The concepts of rash impulsiveness and reward sensitivity in substance use disorders. European Addiction Research, 19(5), 261–268. doi:10.1159/000346178