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Psychol Addict Behav. 2013 Dec;27(4):1027-35. doi: 10.1037/a0031960. Epub 2013 Mar 25.

Adolescents' attitudes toward antimarijuana ads, usage intentions, and actual marijuana usage.

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  • 1Department of Psychology, School of Behavioral and Organizational Sciences, Claremont Graduate University.


The association of adolescents' appraisals of the antimarijuana TV ads used in the National Youth Antidrug Media Campaign with future marijuana use was investigated. The 12- to 18-year-old respondents (N = 2,993) were first classified as users, resolute nonusers, or vulnerable nonusers (Crano, Siegel, Alvaro, Lac, & Hemovich, 2008). Usage status and the covariates of gender, age, and attitudes toward marijuana were used to predict attitudes toward the ads (Aad) in the first phase of a multilevel linear analysis. All covariates were significantly associated with Aad, as was usage status: Resolute nonusers evaluated the ads significantly more positively than vulnerable nonusers and users (all ps < .001), who did not differ. In the second phase, the covariates along with Aad and respondents' usage status predicted intentions and actual usage 1 year after initial measurement. The lagged analysis disclosed negative associations between Aad and usage intentions and between Aad and actual marijuana use (both ps < .05); however, this association held only for users (p < .01), not vulnerable or resolute nonusers. Users who reported more positive attitudes toward the ads were less likely to report intention to use marijuana and to continue marijuana use at 1-year follow-up. These findings may inform designers of persuasion-based prevention campaigns, guiding preimplementation efforts in the design of ads that targeted groups find appealing and thus, influential.

PsycINFO Database Record (c) 2013 APA, all rights reserved.

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