* student author
^ international collaborator
*Ewing, L., Hamza, C. A., Goldstein, A., & Heath, N. L. (2023). Who is most at-risk and when? A person-centered investigation into the co-development of internalizing symptoms and perceived stress among post-secondary students. Journal of Youth and Adolescence. Advanced online publication: https://doi.org/10.1007/s10964-023-01738-1
*Lorenzo, A., *Kthupi, A., *Liu, B., Hamza, C A., Keown-Stoneman, C., Todorova, A., *Kuburi S.,… Fadel, SA., & Gagnon, F. (2023). The mental health impact of the prolonged COVID-19 pandemic on post-secondary students: A longitudinal study. Psychiatry Research, 327, 115401. https://doi.org/10.1016/j.psychres.2023.115401
*Ilieff, M. & Hamza, C. A. (2023). A longitudinal examination of recent posttraumatic stress symptoms and nonsuicidal self-injury among university students. Journal of Child and Adolescent Trauma. https://doi.org/10.1007/s40653-023-00544-y
*Petrovic, J., *Mettler, J., Böke, B. N., Rogers, M. A., Hamza, C. A, Bloom, E., Di Genova, L., Romano, V., Arcuri, G. G., & Heath, N. L. (2023). The effectiveness and acceptability of formal versus informal mindfulness among university students with and without recent nonsuicidal self-injury: An online, parallel-group, randomized controlled trial. Contemporary Clinical Trials, 126, Article 107109. https://doi.org/10.1016/j.cct.2023.107109
*Boyne, H. & Hamza, C. A. (2022). Attenuated pain sensitivity or desensitization? A longitudinal lab-based study on the link between pain and nonsuicidal self-injury. Psychiatry Research. Advance online publication. https://doi.org/10.1016/j.psychres.2022.114943
*Simone, A., *Yu, S. & Hamza, C. A. (2022). Understanding experiences of disclosing and receiving disclosures of nonsuicidal self-injury amongst peers in university: A qualitative investigation. Journal of Counselling and Development. Advance online publication. https://doi.org/10.1080/09515070.2022.2144807
*Ewing, L., Hamza, C. A., *Walsh, K., Goldstein, A., & Heath, N. L. (2022). A qualitative investigation of the impacts of the COVID-19 pandemic on emerging adults in post-secondary school: Experiences among students with and without pre-existing mental health concerns. Emerging Adulthood 0(0), 1-16. https://doi.org/10.1177/21676968221121590
^Mills, D. J., *Petrovic, J., *Metler, J., Hamza, C. A, & Heath, N. L. (2022). The good, the bad, and the mixed: Experiences during COVID-19 among an online sample of adults. PLOS ONE. Advanced online publication: https://doi.org/10.1371/journal.pone.0269382
*Janssen, W. & Hamza C. A. (2022). What do we still need to know? Pressing issues and promising directions in research on perfectionism and nonsuicidal self-injury. Frontiers in Psychology. Advanced online publication: https://doi.org/10.3389/fpsyg.2022.873410
Lewis, S. P., Heath, N. L, Bloom, E., ^Baetens, I., ^Brausch, A., Hamza, C. A., ^Hasking, P. A., ^Muehlenkamp, J., ^*Robinson, K., & ^Whitlock, J. (2022). School-based recommendations for addressing nonsuicidal self-injury. Journal of Rural Mental Health, 46(3), 183–194. https://doi.org/10.1037/rmh0000211
*Simone, A., & Hamza. C. A. (2021). A longitudinal examination of predictors of nonsuicidal self-injury disclosures among university students. Journal of Clinical Psychology, 77, 2860-2877. https://doi.org/10.1002/jclp.23277
Hamza, C. A., ^*Robinson, K., ^Hasking, P. A., Heath, N. L., Lewis, S. P., ^Lloyd-Richardson, E. E., ^Whitlock, J., & ^Wilson, M. S. (2021). Educational stakeholders’ attitudes and knowledge about nonsuicidal self-injury among university students: A cross-national study. Journal of American College Health. Advance online publication: http://dx.doi.org/10.1080/07448481.2021.1961782
*Boyne, H., & Hamza, C. A. (2021). Depressive symptoms, perceived stress, self-compassion and nonsuicidal self-injury among emerging adults: An examination of the between and within-person associations over time. Emerging Adulthood. Advance online publication: https://doi.org/10.1177/21676968211029768
Hamza, C. A., Goldstein, A. L., Heath, N. L, & *Ewing, L. (2021). Stressful experiences in university predict nonsuicidal self-injury through emotional reactivity. Frontiers in Psychology, 12, 1-12. https://doi.org/10.3389/fpsyg.2021.610670
Hamza, C. A., *Ewing, L., Heath, N. L., & Goldstein A. L. (2021). When social isolation is nothing new: A longitudinal study on psychological distress during COVID-19 among university students with and without pre-existing mental health concerns. Canadian Psychology/Psychologie canadienne, 62(1), 20–30. http://dx.doi.org/10.1037/cap0000255
*Simone, A., & Hamza, C. A. (2020). Examining the disclosure of nonsuicidal self-injury to informal and formal sources: A review of the literature. Clinical Psychology Review, 82, 101907. https://doi.org/10.1016/j.cpr.2020.101907
^Lloyd-Richardson, E. E., ^Hasking, P. A., Lewis, S. P., Hamza, C. A., ^McAllister, M., ^Muehlenkamp, J., A., & ^Baetens, I. (2020). Addressing self-injury in schools, Part 1: Understanding nonsuicidal self-injury and the importance of respectful curiosity in supporting youth who engage in self-injury. NASN School Nurse, 35, 92-98. https://doi.org/10.1177/1942602X19886381
^Lloyd-Richardson, E. E., ^Hasking, P. A., Lewis, S. P., Hamza, C. A., ^McAllister, M., ^Muehlenkamp, J., A., & ^Baetens, I. (2020). Addressing self-injury in schools Part 2: Addressing self-injury in schools: How school nurses can help with addressing issues related to assessment, ongoing care, and referral for treatment. NASN School Nurse, 35, 99-103. https://doi.org/10.1177/1942602X19887353
Lewis, S. P., Heath, N. L., Hasking, P. A., Hamza, C. A., Bloom, E., ^Lloyd-Richardson, E. E., & ^Whitlock, J. (2020). Advocacy for improved response to self-injury in schools: A call to action for school psychologists. Psychological Services, 17(S1), 86-92. https://doi.org/10.1037/ser0000352
Hamza, C. A. & Willoughby, T. (2019). Impulsivity and nonsuicidal self-injury: A longitudinal examination among emerging adults. Journal of Adolescence, 75, 37-46. https://doi.org/10.1016/j.adolescence.2019.07.003
*Ewing, L., Hamza, C. A., & Willoughby, T. (2019). Stressful experiences, emotion dysregulation, and nonsuicidal self-injury among emerging adults. Journal of Youth and Adolescence, 48, 1379-1389. https://doi.org/10.1007/s10964-019-01025-y
Hamza, C. A., & Willoughby T. (2018). A lab-based study on nonsuicidal self-injury, pain, and emotions among university students. Psychiatry Research, 28, 462-468. https://doi.org/10.1016/j.psychres.2018.08.096
*Billawala, A., Hamza, C. A., & Stewart S. L. (2018). Risk factors for complex special needs among male children seeking mental health services. Journal on Developmental Disabilities, 23(2), 17-26.
^Whitlock, J., ^Baetens, I., ^Lloyd-Richardson, E. E., ^Hasking, P. A, Hamza, C. A., Lewis, S. P., ^Franz, P., & ^*Robinson, K. (2018). Helping schools help caregivers of youth who self-injure: Considerations and recommendations. School Psychology International, 39(3), 312-228. https://doi.org/10.1177/0143034318771415
*Klassen, J., Hamza, C. A., & Stewart, S. L. (2018). An examination of correlates for adolescent engagement in nonsuicidal self-injury, suicidal self-injury, and substance use. Journal of Research on Adolescence, 28(2), 342-353. https://doi.org/10.1111/jora.12333
Good, M., Hamza, C. A., & Willoughby T. (2017). A longitudinal investigation of the relation between nonsuicidal self-injury and spirituality/religiosity among university students. Psychiatry Research, 250, 106-112. https://doi.org/10.1016/j.psychres.2017.01.062
Stewart, S. L., & Hamza, C. A. (2017). The development of the Child and Youth Mental Health assessment (ChYMH): An examination of psychometric properties of an integrated assessment for clinically referred children and youth. BMC Health Systems Research, 17, 82. https://doi.org/10.1186/s12913-016-1970-9
Stewart, S. L, *Klassen, J., & Hamza, C. A. (2016). Emerging mental health diagnoses and school disruption: An examination among clinically referred children and youth. Exceptionality Education International, 26(2), 5-20. https://doi.org/10.5206/eei.v26i2.7738
Hamza, C. A., & Willoughby, T. (2016). Nonsuicidal self-injury and suicidal risk among emerging adults. Journal of Adolescent Health, 59(4), 411-415. https://doi.org/10.1016/j.jadohealth.2016.05.019
*Armiento, J., Hamza, C. A., Stewart, S. L. & Leschied, A. (2016). Direct and indirect forms of childhood maltreatment and nonsuicidal self-injury among clinically-referred children and youth. Journal of Affective Disorders, 200, 212-217. https://doi.org/10.1016/j.jad.2016.04.041
Willoughby, T., *Heffer, T., & Hamza, C. A. (2015). The link between nonsuicidal self-injury and acquired capability for suicide: A longitudinal examination. Journal of Abnormal Psychology, 124(4), 1110-1115. https://doi.org/10.1037/abn0000104
Hamza, C. A., Willoughby T., & *Heffer, T. (2015). Impulsivity and nonsuicidal self-injury: A review and meta-analysis. Clinical Psychology Review, 38, 13-24. https://doi.org/10.1016/j.cpr.2015.02.010
Hamza, C. A., & Willoughby, T. (2015). Nonsuicidal self-injury and affect regulation: Recent findings from experimental and ecological momentary assessment studies. Journal of Clinical Psychology, 71(6), 561-574. https://doi.org/10.1002/jclp.22174
Hamza, C. A., & Willoughby, T. (2014). A longitudinal person-centered examination of nonsuicidal self-injury among university students. Journal of Youth and Adolescence, 43, 671-685. https://doi.org/10.1007/s10964-013-9991-8
*Armiento, J., Hamza, C. A., & Willoughby T. (2014). An examination of disclosure of nonsuicidal self-injury among university students. Journal of Community and Applied Social Psychology, 34, 518-533. https://doi.org/10.1002/casp.2190
Hamza, C. A., Willoughby, T., & *Armiento, J. (2014). A laboratory examination of pain threshold and tolerance among nonsuicidal self-injurers with and without self-punishing motivations. Archives of Scientific Psychology, 2(1), 33-42. http://dx.doi.org/10.1037/arc0000008
Willoughby, T., Tavernier, R., Hamza, C. A., Adachi, P. J. C., & Good, M. (2014). The triadic systems model perspective and adolescent risk taking. Brain and Cognition, 89, 114-115. https://doi.org/10.1016/j.bandc.2013.11.001
Hamza, C. A., & Willoughby, T. (2013). Nonsuicidal self-injury and suicidal behavior: A latent class analysis among young adults. PLOS ONE, 8(3), 1-7. https://doi.org/10.1371/journal.pone.0059955
Willoughby, T., Good, M., Adachi, P. J. C., Hamza, C. A., & Tavernier, R. (2013). Examining the link between adolescent brain development and risk taking from a social-developmental perspective. Brain and Cognition, 83, 315-324. https://doi.org/10.1016/j.bandc.2014.07.006
Hamza, C. A., Willoughby, T., & Good, M. (2013). A preliminary examination of the specificity of the functions of nonsuicidal self-injury among a sample of university students. Psychiatry Research, 205(1-2), 172-175. https://doi.org/10.1016/j.psychres.2012.08.036
Hamza, C. A., Stewart, S. L., & Willoughby, T. (2012). Examining the link between nonsuicidal self-injury and suicidal behavior: A review of the literature and an integrated model. Clinical Psychology Review, 32(6), 482-495. https://doi.org/10.1016/j.cpr.2012.05.003
Hamza, C. A., & Willoughby T. (2011). Perceived parental monitoring, adolescent disclosure, and adolescent depressive symptomology: A longitudinal examination. Journal of Youth and Adolescence, 40, 902-915. https://doi.org/10.1007/s10964-010-9604-8
Willoughby, T., & Hamza, C. A. (2011). A longitudinal examination of the bidirectional associations among perceived parenting behaviors, adolescent disclosure, and problem behavior across the high school years. Journal of Youth and Adolescence, 40, 463-478. https://doi.org/10.1007/s10964-010-9567-9
