Leadbeater

Latest

• Trajectories of oppositional defiant disorder severity from adolescence to young adulthood and substance use, mental health, and behavioral problems
• Examining the effectiveness of the WITS programs in the context of variability in trajectories of child development
• Predictors of early-onset cannabis use in adolescence and risks for substance use disorder symptoms in young adulthood
• Disruption of transitions in high-risk substance use from adolescence to young adulthood: School, employment, and romantic relationship factors
• Patterns of marijuana use and physical health indicators among Canadian Youth
• Adolescent patterns of peer victimization: Concurrent and longitudinal health correlates
• Associations between marijuana use trajectories and educational and occupational success in adulthood
• Do adolescent patterns of polysubstance use predict differential use of substances in young adulthood? Journal of Substance Use and Misuse 53(13), 2112 - 2124
• How program users enhance fidelity: Implementing the WITS programs in rural Canadian elementary schools
• Trajectories of marijuana use in Canadian youth and association with substance use, mental health, and behavioral problems in adolescence and young adulthood
• Transitions in the use of multiple substances from adolescence to young adulthood