The Monitoring the Future project was created to assess the changing lifestyles, values, and preferences of American youth on a continuing basis. Trends in marijuana use and related attitudes were investigated, and alternative hypotheses about the linkage between attitudes and behaviors were examined. Data were obtained using questionnaires…

Examined data from repeated cross-sectional probability surveys of alcohol/drug use conducted biennially since 1979 in Ontario schools to determine relationships between classroom alcohol, tobacco, and cannabis education and student use of these substances. Found strong inverse association between increases in exposure to alcohol and drug…

The Minnesota Student Survey was first administered in 1989 to students in grades 6, 9, and 12, when approximately 90,000 students completed the survey. The survey was administered to approximately 131,000 students in 1992. A comparison of the two administrations revealed that the adolescent student population had changed little between 1989 and…