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Johnston, Lloyd D.; O'Malley, Patrick M.; Bachman, Jerald G.; Schulenberg, John E. – National Institutes of Health, 2005
In 2004 the Monitoring the Future study marked its 30th year of conducting national surveys of substance use among American young people. Beginning with the first survey of high school seniors in 1975, the study has provided the nation with a window through which to view the important, but largely hidden, problem behaviors of illicit drug use,…
Descriptors: Drug Use, National Surveys, Secondary School Students, Age Differences