Peer Reviewed Publications

1. Turner, B. J., Helps, C. E., Ames, M. E., & Leadbeater, B. J. (accepted). Stop self-injuring, and then what? Long-term patterns of psychosocial risk associated with initiation and cessation of nonsuicidal self-injury from adolescence to young adulthood. Journal of Abnormal Psychology.

2. Merrin, G. J., Leadbeater, B. J., Sturgess, C. M., Ames, M. E., & Thompson, K. (2021). Predictors of early-onset cannabis use in adolescence and risks for substance use disorder symptoms in young adulthood. Journal of Drug Issues.

3. Leadbeater, B. J., Ames, M. E., & Contreras, A. (2020). Male-dominated occupations and substance use disorders in young adulthood. American Journal of Men’s Health, 14.

4. Merrin, G. J., Ames, M. E., Sturgess, C. M., & Leadbeater, B. J. (2020). Disruption of transitions in high-risk substance use from adolescence to young adulthood: School, employment, and romantic relationship factors. Substance Use and Misuse, 55, 1-9.

5. Sukhawathanakul, P., Ames, M. E., & Leadbeater, B. J. (2020). The influence of emotional support from parents, peers, and romantic partners on changes in purpose in life and mastery in young adulthood. Canadian Journal of Family and Youth, 12.

6. Leadbeater, B. J., Ames, M. E., & Linden-Carmichael, A. N. (2019). Age-varying effects of cannabis use frequency and disorder on symptoms of psychosis, depression, and anxiety in adolescents and adults. Addiction, 114, 278-293.

7. Yoneda, T., Ames, M. E., & Leadbeater, B. J. (2019). Is there a positive side to sensation seeking? Differential trajectories of sensation seeking and impulsivity have unique outcomes. Journal of Adolescence.

8. Ames, M. E. & Leadbeater, B. J. (2018). Depressive symptoms trajectories and physical health: Persistence of problems from adolescence to young adulthood. Journal of Affective Disorders, 240, 121-129.

9. Ames, M., Leadbeater, B. J., & MacDonald, S. W. S. (2018). Health behavior changes in adolescence and young adulthood: Implications for cardiometabolic risk. Health Psychology, 37(2), 103–113. http://doi.org/10.1037/hea0000560 

10. Ames, M. E., Leadbeater, B. J., Merrin, G. J., & Sturgess, C. M. (2018). Adolescent patterns of peer victimization: Concurrent and longitudinal health correlates. Journal of Applied Biobehavioral Research.

11. Ames, M. E., Leadbeater, B. J., Merrin, G. J., & Thompson, K. (2018). Patterns of marijuana use and physical health indicators among Canadian youth. International Journal of Psychology.

12. Leadbeater, B. J., Ames, M. E., & Linden-Carmichael, A. N. (2018). Time-varying effects of cannabis use frequency and disorder on symptoms of psychosis, depression, and anxiety in adolescents and adults. Addiction. doi: 10.1111/add.14459 

13. Merrin, G. J., & Leadbeater, B. J. (2018). Do classes of polysubstance use in adolescence differentiate growth in substances used in the transition to young adulthood? Substance Use & Misuse, 1–13. http://doi.org/10.1080/10826084.2018.1455702 

14. Merrin, G. J., Thompson, K., & Leadbeater, B. J. (2018). Transitions in the use of multiple substances from adolescence to young adulthood. Drug and Alcohol Dependence, 189, 147-153.

15. Thompson, K., Leadbeater, B., Ames, M., & Merrin, G. J. (2018). Associations between marijuana use trajectories and educational and occupational success in young adulthood. Prevention Science, 1–13. http://doi.org/10.1007/s11121-018-0904-7 

16. Thompson, K., Merrin, G. J., Ames, M. E., & Leadbeater, B. (2018). Marijuana trajectories in Canadian youth: Associations with substance use and mental health. Canadian Journal of Behavioural Science, 50(1). http://doi.org/10.1037/cbs0000090

17. Desjardins, T., & Leadbeater, B. J. (2017). Changes in parental emotional support and psychological control in early adulthood: Direct and indirect associations with educational and occupational adjustment. Emerging Adulthood, 5(3), 177-190.

18. Leadbeater, B. J., Ames, M. E., Sukhawathanakul, P., Fyfe, M., Stanwick, R., & Brubacher, J. R. (2017). Frequent marijuana use and driving risk behaviours in Canadian youth. Paediatrics & Child Health, 22(1), 7–12. http://doi.org/10.1093/pch/pxw002 

19. Leadbeater, B. J., & Ames, M. E. (2017). The longitudinal effects of oppositional defiant disorder symptoms on academic and occupational functioning in the transition to young adulthood. Journal of Abnormal Child Psychology, 45(4), 749–763. http://doi.org/10.1007/s10802-016-0190-4.

20. Leadbeater, B. J., Sukhawathanakul, P., Holfeld, B., & Temple, J. R. (2017). The effects of continuities in parent and peer aggression on relational intimate partner violence in the transition to young adulthood. Prevention Science, 18(3), 350–360. http://doi.org/10.1007/s11121-017-0757-5 

21. Ames, M. E., Holfeld, B., & Leadbeater, B. J. (2016). Sex and age group differences in the associations between sleep duration and BMI from adolescence to young adulthood. Psychology & Health, 1–17. doi:10.1080/08870446.2016.1163360 

22. Ames, M., & Leadbeater, B. (2016). Overweight and isolated: The interpersonal problems of youth who are overweight from adolescence into young adulthood. International Journal of Behavioral Development, 1–15. doi:10.1177/0165025416647799 

23. Woodin, E. M., Sukhawathanakul, P., Caldeira, V., Homel, J., & Leadbeater, B. (2016). Pathways to romantic relational aggression through adolescent peer aggression and heavy episodic drinking. Aggressive Behavior, 1–14. doi:10.1002/ab.21651

24. Hager, A. D., & Leadbeater, B. J. (2015). The longitudinal effects of peer victimization on physical health from adolescence to young adulthood. Journal of Adolescent Health, 1–7. doi:10.1016/j.jadohealth.2015.10.014

25. Leadbeater, B. J., & Homel, J. (2015). Irritable and defiant sub-dimensions of ODD: Their stability and prediction of internalizing symptoms and conduct problems from adolescence to young adulthood. Journal of Abnormal Child Psychology, 43, 407–421. doi:10.1007/s10802-014-9908-3

26. Thompson, K., Homel, J., & Leadbeater, B. (2015). The relationship of higher education to substance use trajectories: variations as a function of timing of enrollment. Journal of Studies on Alcohol and Drugs, 76(1), 95–105.

27. Thompson, K. D., Leadbeater, B. J., & Ames, M. E. (2015). Reciprocal effects of internalizing and oppositional defiance symptoms on heavy drinking and alcohol-related harms in young adulthood. Substance Abuse: Research and Treatment, 9(S1), 21–31. doi:10.4137/SART.S33928

28. Thompson, K., Roemer, A., & Leadbeater, B. (2015). Impulsive personality, parental monitoring, and alcohol outcomes from adolescence through young adulthood. Journal of Adolescent Health, 1–7. doi:10.1016/j.jadohealth.2015.05.005

29. Thompson, K., Stockwell, T., Leadbeater, B., & Homel, J. (2015). The effect of types of postsecondary education on drinking: Does age of enrollment matter? Emerging Adulthood, 3(3), 154–165. doi:10.1177/2167696814561999

30. Homel, J., Thompson, K., & Leadbeater, B. (2014). Trajectories of marijuana use in youth ages 15-25: Implications for postsecondary education experiences. Journal of Studies on Alcohol and Drugs, 75(4), 674–683.

31. Leadbeater, B. J., Thompson, K., & Sukhawathanakul, P. (2014). It gets better or does it? Peer victimization and internalizing problems in the transition to young adulthood. Development and Psychopathology, 26, 675–688. doi:10.1017/S0954579414000315

32. Thompson, K., Stockwell, T., Leadbeater, B., & Homel, J. (2014). Association among different measures of alcohol use across adolescence and emerging adulthood. Addiction, 109(6), 894–903. doi:10.1111/add.12499

33. Leadbeater, B., Thompson, K., & Gruppuso, V. (2012). Co-occurring trajectories of symptoms of anxiety, depression, and oppositional defiance from adolescence to young adulthood. Journal of Clinical Child and Adolescent Psychology, 41(6), 719–730. doi:10.1080/15374416.2012.694608

34. Yeung Thompson, R. S., & Leadbeater, B. J. (2012). Peer victimization and internalizing symptoms from adolescence into young adulthood: Building strength through emotional support. Journal of Research on Adolescence, 23(2), 290–303. doi:10.1111/j.1532-7795.2012.00827.x

35. Desjardins, T. L., & Leadbeater, B. J. (2011). Relational victimization and depressive symptoms in adolescence: Moderating effects of mother, father, and peer emotional support. Journal of Youth and Adolescence, 40(5), 531–544. doi:10.1007/s10964-010-9562-1

36. Leadbeater, B. J., Banister, E. M., Ellis, W. E., & Yeung, R. (2008). Victimization and relational aggression in adolescent romantic relationships: The influence of parental and peer behaviors, and individual adjustment. Journal of Youth and Adolescence, 37(3), 359–372.doi: 10.1007/s10964-007-9269-0 

NON-PEER REVIEWED PUBLICATIONS

1. Leadbeater, B. J., Thompson, K., Ames, M. E., Merrin, G. J., Sukhawathanakul, P., & Sturgess, C. M. B. (2017). Using cannabis in the transition to young adulthood: Recognizing and reducing risks. Psynopsis, Fall Issue, 10-11.