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Stuart, Richard B.; And Others – 1976
In Ann Arbor, Michigan, penalties for the possession of small amounts of marijuana were changed three times in four years. This provided an opportunity to assess the relationship between changes in the legal status of marijuana and the use of marijuana and five other classes of drugs. Data were collected by anonymous self-report questionnaires…
Descriptors: Behavior Patterns, Drug Abuse, Drug Addiction, Environmental Influences