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. 2012 May;37(5):613-21.
doi: 10.1016/j.addbeh.2012.01.008. Epub 2012 Jan 14.

Dimensions and severity of marijuana consequences: development and validation of the Marijuana Consequences Questionnaire (MACQ)

Jeffrey S Simons  1 , Robert D Dvorak, Jennifer E Merrill, Jennifer P Read
Affiliations

Dimensions and severity of marijuana consequences: development and validation of the Marijuana Consequences Questionnaire (MACQ)

Jeffrey S Simons et al. Addict Behav. 2012 May.

Abstract

The Marijuana Consequences Questionnaire (MACQ) is a 50-item self-report measure modeled after the Young Adult Alcohol Consequences Questionnaire (YAACQ). College students (n=315) completed questionnaires online. A confirmatory factor analysis supported the hypothesized 8-factor structure. The results indicate good convergent and discriminant validity of the MACQ. A brief, unidimensional, 21-item version (B-MACQ) was developed by a Rasch model. Comparison of item severity estimates of the B-MACQ items and the corresponding items from the YAACQ indicates that the severity of alcohol- and marijuana-problems is defined by a relatively unique pattern of consequences. The MACQ and B-MACQ provide promising new alternatives to assessing marijuana-related problems.

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