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Johnson, Mark B.; Voas, Robert A.; Miller, Brenda A.; Holder, Harold D. – Evaluation Review, 2009
Most information on the prevalence of drug use comes from self-report surveys. The sensitivity of such information is cause for concern about the accuracy of self-report measures. In this study, self-reported drug use in the last 48 hr is compared to results from biological assays of saliva samples from 371 young adults entering clubs. The…
Descriptors: Drug Use, Young Adults, Music Activities, Measurement Techniques