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Direct linkAmundsen, Ellen J.; Ravndal, Edle – Drugs: Education, Prevention & Policy, 2010
Aim: To test whether the school-based Olweus prevention programme against bullying may have lasting effects on substance use, a hypothesis based on the characteristics of bullies having misconduct behaviour associated with substance use. Methods: The Olweus programme was introduced from grades 7 through 9 in four schools and monitored up to grade…
Descriptors: Experimental Schools, Bullying, Marijuana, Prevention
