Aims: Much research indicates that an individual's personality impacts the initiation and escalation of substance use and problems in youth. The acquired-preparedness model suggests that personality influences substance use by modifying learning about substances, which then affects substance use. The current study used longitudinal data to test whether automatic cannabis-related cognitions (memory associations and outcome expectancy liking) mediate the relationship between four personality traits with later cannabis use.
Methods: The study focused on initiation of use in a sample of adolescents who had not previously used ( = 670).
Results: A structural equation model supported a full mediation effect and the hypothesis that personality affects cannabis use in youth by influencing automatic memory associations and outcome expectancy liking. Further findings from the same model also indicated a mediation effect of these cognitions in the relationship between age and cannabis use.
Conclusion: The findings of the study support the acquired-preparedness model where personality influences automatic associations in the context of dual-processing theories of substance use.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9020124 | PMC |
| http://dx.doi.org/10.1016/j.abrep.2022.100425 | DOI Listing |
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