The T-ASI is a semistructured interview with 154 items using a multidimensional assessment, 70 ratings in 7 domains. It should be clinician-administered.
It is used for periodic evaluation of adolescent substance use. It is particularly useful for adolescents with psychoactive substance use disorders, adolescents with psychiatric disorders and comorbid psychoactive substance use disorders.
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Brodey BB, Rosen CS, Winters KC, et.al. Conversion and validation of the Teen-Addiction Severity Index (T-ASI) for Internet and automated-telephone self-report administration. Psychology of Addictive Behaviors 2005;19(1):54-61.