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Weiss, Jie Wu; Merrill, Vincent; Akagha, Kathy – Journal of Drug Education, 2011
This study examined associations between substance use, family functioning, and self-image among four ethnic adolescent groups. Three thousand three hundred and fifteen 8th and 9th grade students were recruited from 10 schools in Los Angeles County. Participants completed a paper-and-pencil survey regarding their alcohol and marijuana use, along…
Descriptors: Marijuana, Adolescents, Grade 8, Grade 9
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Corrigan, Matthew J. – Journal of Alcohol and Drug Education, 2017
This study sought to develop a short version of the ADSI, and investigate its psychometric properties. Methods: This is a secondary analysis. Analysis to determine the Cronbach's Alpha, correlations to determine concurrent criterion validity and known instrument validity and a logistic regression to determine predictive validity were conducted.…
Descriptors: Psychometrics, Correlation, Screening Tests, Statistical Analysis