Vaillancourt, T., Korczak, D.J., Madigan, S., Tombeau, K., Racine, N., & Szatmari, P. (2023). Advocating for children in the presence of imperfect evidence. Journal of the Canadian Academy of Child and Adolescent Psychiatry, 32(2), 79–84.
Madigan, S., Racine, N., Vaillancourt, T., Korczak, D.J…& Neville, R. D. (in press; 2023). Changes in depression and anxiety among children and adolescents before to during the COVID-19 pandemic: A meta-analysis of longitudinal cohort studies. JAMA Pediatrics.
Farrell, A., Vitoroulis, I., Eriksson, M., & Vaillancourt, T. (2023). Loneliness and well-being in children and adolescents during the COVID-19 pandemic: A systematic review. Children, 10(2), 279. https://doi.org/10.3390/children10020279
Vaillancourt, T., Brittain, H., Farrell, A., Krygsman, A., & Vitoroulis, I. (2023). Bullying involvement and the transition to high school: A brief report. Aggressive Behavior. https://doi.org/10.1002/ab.22082
Farrell, A. & Vaillancourt, T. (2023). Indirect aggression, anxiety, and empathy: Disaggregating between and within person longitudinal associations during childhood and adolescence. Development and Psychopathology, 35, 228–240. https://doi.org/10.1017/S0954579421001450
Madigan, S., Korczak, D.J., Vaillancourt, T., Racine, N… & Neville, R.D. (2023). Comparison of paediatric emergency department visits for attempted suicide, self-harm, and suicidal ideation prior and during the COVID-19 pandemic: A systematic review and meta-analysis. The Lancet. Psychiatry, 10(5), 342–351. https://doi.org/10.1016/S2215-0366(23)00036-6
Farrell, A. & Vaillancourt, T. (in press; 2023). Aggression across the lifespan. Oxford Bibliographies.
Vaillancourt, T., & Szatmari, P. (2022). Child development, major disruptive events—public health implications. In Oxford Research Encyclopedia of Global Public Health. Oxford University Press. https://doi.org/10.1093/acrefore/9780190632366.013.159
Palamarchuk, I.S., & Vaillancourt, T. (2022). Integrative brain dynamics in childhood bullying victimization: Cognitive and emotional convergence associated with stress psychopathology. Frontiers in Integrative Neuroscience, 16, 782154. https://doi.org/10.3389/fnint.2022.782154
Erazo, M. B., Krygsman, A.L., & Vaillancourt, T. (2022). The cumulative effects of bullying victimization in childhood and adolescence on borderline personality disorder symptoms in emerging adulthood. International Journal of Bullying Prevention, 1–14. https://doi.org/10.1007/s42380-022-00122-0
Korczak, D.J., Madigan, S., & Vaillancourt T. (2022). Data divide—Disentangling the role of the COVID-19 pandemic on child mental health and well-being. JAMA Pediatrics, 176(7), 635–636. https://doi.org/10.1001/jamapediatrics.2022.0791
Krygsman, A. & Vaillancourt, T. (2022). Elevated social anxiety symptoms across childhood and adolescence predict adult mental disorders and cannabis use. Comprehensive Psychiatry, 115, 152302. https://doi.org/10.1016/j.comppsych.2022.152302
Davis, A. & Vaillancourt, T. (2022). Predicting dominance and prestige status-striving from the dark tetrad: The mediating role of indirect aggression. Current Psychology, 1–13. https://doi.org/10.1007/s12144-021-02492-y
Davis, A., Farrell, A., Brittain, H., Krygsman, A., Arnocky, S., & Vaillancourt, T. (2022). The dark triad and bullying in adolescence: A three-wave random intercept cross-lagged panel analysis. Journal of Research in Personality, 96, 104178. https://doi.org/10.1016/j.jrp.2021.104178
Laith, R. & Vaillancourt, T. (2022). The temporal sequence of bullying victimization, academic achievement, and school attendance: A review of the literature. Aggression and Violent Behavior, 64, 101722. https://doi.org/10.1016/j.avb.2022.101722
Krygsman, A., Farrell, A., Brittain, H., & Vaillancourt, T. (2022). Depression symptoms, mattering, and anti-mattering: Longitudinal associations in young adulthood. Journal of Psychoeducational Assessment, 40(1), 77–94. https://doi.org/10.1177/07342829211050519
Farrell, A. & Vaillancourt, T. (2022). Childhood predictors of adolescent joint trajectories: A multi-informant study on bullying perpetration and hypercompetitiveness. Journal of Clinical Child and Adolescent Psychology, 51, 1011–1023. https://doi.org/10.1080/15374416.2021.1923019
Vaillancourt, T., Szartmari, P., Geogiades, K., & Krygsman, A. (2021). The impact of COVID-19 on the mental health of Canadian children and youth. FACETS, 6(1),1628–1648. https://doi.org/10.1139/facets-2021-0078
Vaillancourt, T., McDougall, P., Comeau, J., & Finn, C. (2021). COVID-19 school closures and social isolation in children and youth: Prioritizing relationships in education. FACETS, 6(1), 1795–1813. https://doi.org/10.1139/FACETS-2021-0080
Palamarchuk, I.S. & and Vaillancourt, T. (2021) Mental resilience and coping with stress: A comprehensive, multi-level model of cognitive processing, decision making, and behavior. Frontiers in Behavioral Neuroscience, 176, 15:719674. https://doi.org/10.3389/fnbeh.2021.719674
Farrell, A. & Vaillancourt, T. (2021). Joint trajectories of adolescent narcissism and self-esteem predict interpersonal features in young adulthood. Journal of Research in Personality, 93, 104127. https://doi.org/10.1016/j.jrp.2021.104127
Vaillancourt, T., Brittain, H., Krygsman, A., Farrell, A., Landon, S., Pepler, D. (2021). School bullying before and during COVID-19: Results from a population-based randomized design. Aggressive Behavior, 47(5), 557–569. https://doi.org/10.1002/ab.21986
Vaillancourt, T., Brittain, H., Krygsman, A., Farrell, A., Pepler, D., Landon, S., Saint-Georges, Z., & Vitoroulis, I. (2021). In-person versus online learning in relation to students’ perceptions of mattering during COVID-19: A brief report. Journal of Psychoeducational Assessment, 40(1), 159–169. https://doi.org/10.1177/07342829211053668
Endleman, S., Brittain, H., & Vaillancourt, T. (2021). The longitudinal associations between perfectionism and academic achievement across adolescence. International Journal of Behavioral Development, 46(2), 91–100. https://doi.org/10.1177/01650254211037400
Farrell, A. & Vaillancourt, T. (2021). The impact of childhood bullying trajectories on young adulthood antisocial trajectories. Journal of Youth and Adolescence, 50(9), 1782–1796. https://doi.org/10.1007/s10964-021-01456-6
Farrell, A. & Vaillancourt, T. (2021). Examining the joint development of antisocial behavior and personality: Predictors and trajectories of adolescent indirect aggression and Machiavellianism. Developmental Psychology, 57(5), 805–813. https://doi.org/10.1037/dev0001016
Idsoe, T., Dyregrov, A., Vaillancourt, T., Hagen, K. A., Ogden, T., & Naerde, A. (2021). Bullying victimization and trauma. Frontiers in Psychiatry, 11, 480353–480353. https://doi.org/10.3389/fpsyt.2020.480353
Volk, A. A., Brazil, K. J., Franklin-Luther, P., Dane, A. V., & Vaillancourt, T. (2021). The influence of demographics and personality on COVID-19 coping in young adults. Personality and Individual Differences, 168, 110398–110398. https://doi.org/10.1016/j.paid.2020.110398
Vaillancourt, T., & Farrell, A. H. (2021). Mean kids become mean adults: Trajectories of indirect aggression from age 10 to 22. Aggressive Behavior, 47(4), 394–404. https://doi.org/10.1002/ab.21950
Humphrey, T. & Vaillancourt, T. (2021). Longitudinal relations between hypercompetitiveness, jealousy, and aggression across adolescence. Merrill-Palmer Quarterly, 67(3), 237–268. https://doi.org/10.13110/merrpalmquar1982.67.3.0237
Farrell, A. H., & Vaillancourt, T. (2021). Adolescent empathic concern and perspective taking: Heterogeneous developmental trajectories and childhood social and psychological factors. Journal of Personality, 89(4), 672–688. https://doi.org/10.1111/jopy.12607
Lee, K. S. & Vaillancourt, T. (2020). The role of childhood generalized anxiety in the internalizing cluster. Psychological Medicine, 50(13), 2272–2282. https://doi.org/10.1017/S0033291719002484
Farrell, A. H., & Vaillancourt, T. (2020). Bullying perpetration and narcissistic personality traits across adolescence: Joint trajectories and childhood risk factors. Frontiers in Psychiatry: Child and Adolescent Psychiatry, 11, 483229–483229. https://doi.org/10.3389/fpsyt.2020.483229
Humphrey, T., & Vaillancourt, T. (2020). Longitudinal relations between bullying perpetration, sexual harassment, homophobic taunting, and dating violence: Evidence of heterotypic continuity. Journal of Youth and Adolescence, 49(10), 1976–1986. https://doi.org/10.1007/s10964-020-01307-w
Lee, K. S. & Vaillancourt, T. (2020). The role of childhood generalized anxiety in the internalizing cluster. Psychological Medicine, 50(13), 2272–2282. https://doi.org/10.1017/S0033291719002484
Beeson, C., Brittain, H., & Vaillancourt, T. (2020). The temporal precedence of peer rejection, rejection sensitivity, depression, and aggression across adolescence. Child Psychiatry and Human Development, 51(5), 781–791. https://doi.org/10.1007/s10578-020-01008-2
Cunningham, C. E., Rimas, H., Vaillancourt, T., Stewart, B., Deal, K., Cunningham, L., Vanniyasingam, T., Duku, E, Buchanan, D. H., & Thabane, L. (2020). What influences educators’ design preferences for bullying prevention programs? Multi‑level latent class analysis of a discrete choice experiment. School Mental Health, 12(1), 22–37. https://doi.org/10.1007/s12310-019-09334-0
Farrell, A. H., Volk, A. A., & Vaillancourt, T. (2020). Empathy, exploitation, and adolescent bullying perpetration: A longitudinal social-ecological investigation. Journal of Psychopathology and Behavioral Assessment, 42(3), 436–449. https://doi.org/10.1007/s10862-019-09767-6
Farrell, A.H., & Vaillancourt, T. (2019). Developmental pathways of perfectionism: Associations with bullying perpetration, peer victimization, and narcissism. Journal of Applied Developmental Psychology, 65, 101065. https://doi.org/10.1016/j.appdev.2019.101065
Moreno, M.A., Gower, A.D., Brittain, H., & Vaillancourt, T. (2019). Applying natural language processing to evaluate news media coverage of bullying and cyberbullying. Prevention Science, 20(8), 1274–1283. https://doi.org/10.1007/s11121-019-01029-x
Saint-George, Z. & Vaillancourt, T. (2019). The temporal sequence of depression symptoms, peer victimization, and self-esteem across adolescence: Evidence for an integrated self-perception driven model. Development and Psychopathology, 32(3), 975–984. https://doi.org/10.1017/S0954579419000865
Farrell, A. & Vaillancourt, T. (2019). Temperament, bullying, and dating aggression: Longitudinal associations for adolescents in a romantic relationship. Evolutionary Psychology, 17(2), 1474704919847450. https://doi.org/10.1177/1474704919847450
Lee, K. S. & Vaillancourt, T. (2019). Unraveling the long-term links among adolescent peer victimization and somatic symptoms: A 5-year multi-informant cohort study. Journal of Applied Biobehavioral Research, 24(4). https://doi.org/10.1111/jabr.12166
Lee, K.S. & Vaillancourt., T. (2019). A four-year prospective study of bullying, anxiety, and disordered eating behavior across early adolescence. Child Psychiatry & Human Development, 50(5), 815–825. https://doi.org/10.1007/s10578-019-00884-7
Krygsman, A. & Vaillancourt, T. (2019). Peer victimization, aggression, and depression symptoms in preschoolers. Early Childhood Research Quarterly, 47, 62–73. https://doi.org/10.1016/j.ecresq.2018.09.006
Vaillancourt, T., & Brittain, H. (2019). Longitudinal associations among primary and secondary psychopathic traits, anxiety, and borderline personality features across adolescence. Personality Disorders: Theory, Research, and Treatment, 10(4), 354–364. https://doi.org/10.1037/per0000325
Lee, K. & Vaillancourt, T. (2019). Body mass index, peer victimization, and body dissatisfaction across 7 years of childhood and adolescence: Evidence of moderated and mediated pathways. Developmental Science, 22(2), e12734. https://doi.org/10.1111/desc.12734
Blain-Arcaro, C. & Vaillancourt, T. (2019). Longitudinal associations between externalizing problems and symptoms of depression in children and adolescents. Journal of Clinical Child and Adolescent Psychology, 48(1), 108–119. https://doi.org/10.1080/15374416.2016.1270830
Cunningham, C. E., Rimas, H., Vaillancourt, T., Stewart, B., Deal, K., Cunningham, L., Vanniyasingam, Thuva, Duku, E., Buchanan, D. H., & Thabane, L. (2019). What antibullying program designs motivate student intervention in grades 5 to 8? Journal of Clinical Child & Adolescent Psychology, 49(5), 603–617. https://doi.org/10.1080/15374416.2019.1567344
Davis, A. C., Visser, B., Volk, A. A., Vaillancourt, T., Arnocky, S. (2019). The relations between life history strategy and dark personality traits among young adults. Evolutionary Psychological Science, 5(2), 166–177. https://doi.org/10.1007/s40806-018-0175-3
Krygsman, A. & Vaillancourt, T. (2019). Peer victimization and depression symptoms: The moderating role of gender non-normative aggression and school transition. Journal of Child and Family Studies, 28(9), 2531–2542. https://doi.org/10.1007/s10826-018-1119-z
Davis, A. C., Desrochers, J., DiFilippo, A., Vaillancourt, T., & Arnocky, S. (2018). Type of jealousy differentially predicts cost-inflicting and benefit-provisioning mate retention. Personal Relationships, 25(4), 596–610. https://doi.org/10.1111/pere.12262
Farrell, A., Volk, A.A., & Vaillancourt, T. (2018). Empathy, exploitation, and adolescent Bullying perpetration: A longitudinal social-ecological investigation. Developmental Psychology, 42(3), 436–449. https://doi.org/10.1007/s10862-019-09767-6
Vitoroulis, I. & Vaillancourt, T. (2018). Ethnic group differences in bullying perpetration: A meta-analysis. Journal of Research on Adolescence, 28(4), 752–771. https://doi.org/10.1111/jora.12393
Vaillancourt, T., Brittain, H., Haltigan, J. D., Ostrov, J. M., & Muir, C. (2018). Cortisol moderates the relation between physical peer victimization and physical aggression in preschoolers attending high quality child care: Evidence of differential susceptibility across informants. Merrill-Palmer Quarterly, 64(1), 101–134. https://doi.org/10.13110/merrpalmquar1982.64.1.0101
Vaillancourt, T. (2018). Introduction to the Special Issue: The neurobiology of peer victimization. Merrill-Palmer Quarterly, 64(1), 1–11. https://doi.org/10.13110/merrpalmquar1982.64.1.0001
Lee, K. S. & Vaillancourt, T. (2018). Longitudinal associations among bullying by peers, disordered eating behavior, and symptoms of depression during adolescence. JAMA Psychiatry, 75(6), 605–612. https://doi.org/10.1001/jamapsychiatry.2018.0284
Lee, K., Brittain, H., & Vaillancourt, T. (2018). Predicting dating behavior from aggression and self-perceived social preference in adolescence. Aggressive Behavior, 44(4), 372–381. https://doi.org/10.1002/ab.21758
Lee, K., & Vaillancourt, T. (2018). Developmental pathways between peer victimization, psychological functioning, disordered eating behavior, and body mass index: a review and theoretical model. Aggression and Violent Behavior, 39, 15–24. https://doi.org/10.1016/j.avb.2018.01.004
Haltigan, J. D., & Vaillancourt, T. (2018). The influence of static and dynamic intrapersonal factors on longitudinal patterns of peer victimization through mid-adolescence: a latent transition analysis. Journal of Abnormal Child Psychology, 46(1), 11–26. https://doi.org/10.1007/s10802-017-0342-1
Day, K. L., Schmidt, L. A., Vaillancourt, T., Saigal, S., Boyle, M. H., & Van Lieshout, R. J. (2018). Overprotective parenting and peer victimization in extremely low birth weight survivors. Journal of Child and Family Studies, 27(3), 907–915. https://doi.org/10.1007/s10826-017-0922-2
Davis, A. C., Dufort, C., Desrochers, J., Vaillancourt, T., & Arnocky, S. (2018). Gossip as an intrasexual competition strategy: Sex differences in gossip frequency, content, and attitudes. Evolutionary Psychological Science, 4(2), 141–153. https://doi.org/10.1007/s40806-017-0121-9
Vaillancourt, T. & Halitgan, J.D. (2018). Joint trajectories of depression and perfectionism across adolescence and childhood risk factors. Development and Psychopathology, 30(2), 461–447. https://doi.org/10.1017/S0954579417000979
Krygsman, A. & Vaillancourt, T. (2017). Longitudinal associations between depression symptoms and peer experiences: Evidence of symptoms-driven pathways. Journal of Applied Developmental Psychology, 51, 20–34. https://doi.org/10.1016/j.appdev.2017.05.003
Blain-Arcaro, C. & Vaillancourt, T. (2017). Longitudinal associations between depression and aggression in children and adolescents. Journal of Abnormal Child Psychology, 45(5), 959–970. https://doi.org/10.1007/s10802-016-0204-2
Vaillancourt, T., Faris, R., & Mishna, F. (2017). Cyberbullying in children and youth: implications for health and clinical practice. The Canadian Journal of Psychiatry, 62(6), 368–373. https://doi.org/10.1177/0706743716684791
Moreno, M. & Vaillancourt, T. (2017). The role of health care providers in cyberbullying. The Canadian Journal of Psychiatry, 62(6), 364–367. https://doi.org/10.1177/0706743716684792
Dane, A. V., Marini, Z. A., Volk, A. V., & Vaillancourt, T. (2017). Physical and relational bullying and victimization: Differential relations with adolescent dating and sexual behavior. Aggressive Behavior, 43(2), 111–122. https://doi.org/10.1002/ab.21667
Day, K. L., Van Lieshout, R. J., Vaillancourt, T., Saigal, S., Boyle, M. H., & Schmidt, L. A. (2017). Long-term effects of peer victimization on social outcomes through the fourth decade of life in individuals born at normal or extremely low birthweight. British Journal of Developmental Psychology, 35(3), 334–348. https://doi.org/10.1111/bjdp.12168
Haltigan, J. D., & Vaillancourt, T. (2016). The Borderline Personality Features scale for Children (BPFS-C): Factor structure and measurement invariance across time and sex in a community-based sample. Journal of Psychopathology and Behavioral Assessment, 38(4), 600–614. https://doi.org/10.1007/s10862-016-9550-1
Blain-Arcaro, C. & Vaillancourt, T. (2016). Does worry moderate the relation between aggression and depression in adolescent girls? Journal of Adolescence, 49(1), 10–18. https://doi.org/10.1016/j.adolescence.2016.02.006
Haltigan, J.D. & Vaillancourt, T. (2016). Identifying trajectories of borderline personality features in adolescence: Antecedent and interactive risk factors. The Canadian Journal of Psychiatry, 61(3), 166–175. https://doi.org/10.1177/0706743715625953
Wang, W., Brittain, H., McDougall, P., & Vaillancourt, T. (2016). Bullying and school transition: Context or development? Child Abuse and Neglect, 51, 237–248. https://doi.org/10.1016/j.chiabu.2015.10.004
Vitoroulis, I., Brittain, H. & Vaillancourt, T. (2016). School ethnic composition and bullying in Canadian schools. International Journal of Behavioral Development, 40(5), 431–441. https://doi.org/10.1177/0165025415603490
Moreno, M. & Vaillancourt, T. (2016). The National Academies of Sciences, Engineering, and Medicine report on bullying: Overview and recommendations. JAMA Pediatrics, 170, 727–728. https://doi.org/10.1001/jamapediatrics.2016.1474
Flett, G. L., Hewitt, P. L., Besser, A., Su, C., Vaillancourt, T., Boucher, D., Munro, Y, Davidson, L. A., & Gale, O. (2016). The Child–Adolescent Perfectionism Scale development, psychometric properties, and associations with stress, distress, and psychiatric symptoms. Journal of Psychoeducational Assessment, 34(7), 634–652. https://doi.org/10.1177/0734282916651381
Cunningham, C., Mapp, C., Rimas, H., Cunningham, L., Mielko, S., Vaillancourt, T., Marcus, M. (2016). What limits the effectiveness of anti-bullying programs? A thematic analysis of the perspective of students. Psychology of Violence, 6(4), 596–606. https://doi.org/10.1037/a0039984
Cunningham, C., Rimas, H., Mielko, S., Mapp, C., Cunningham, L., Vaillancourt, T., Chen, Y., Buchanan, D., Deal, K., & Marcus, M. (2016). What limits the effectiveness of antibullying programs? A thematic analysis of the perspective of teachers. Journal of School Violence, 15(4), 460–482. https://doi.org/10.1080/15388220.2015.1095100
Flannery, D. J., Todres, J., Bradshaw, C. P., Amar, A. F., Graham, S. H., Hatzenbuehler, M. L., Masiello, M., Moreno, M., Sullivan, R., Vaillancourt, T., Le Menestrel, S. M., & Rivara, F. P. (2016). Bullying prevention: A summary of the report of the National Academies of Sciences, Engineering, and Medicine. Prevention Science, 17, 1044-1053. https://doi.org/10.1007/s11121-016-0722-8
Day, K. L., Schmidt, L. A., Vaillancourt, T., Saigal, S., Boyle, M. H., & Van Lieshout, R. J. (2016). Long-term psychiatric impact of peer victimization in adults born at extremely low birth weight. Pediatrics, 137(3), e20153383–e20153383. https://doi.org/10.1542/peds.2015-3383
Kokin, J., Younger, A., Gosselin, P., & Vaillancourt, T. (2015). Biased facial expression interpretation in shy children. Infant and Child Development, 25, 3–23. https://doi.org/10.1002/icd.1915
McDougall, P. & Vaillancourt, T. (2015). The long-term adult outcomes of peer victimization in childhood and adolescence: Pathways to adjustment and maladjustment. American Psychologist, 70(4), 300–310. https://doi.org/10.1037/a0039174
Vitoroulis, I. & Vaillancourt, T. (2015). Meta-analytic results of ethnic group differences in peer victimization. Aggressive Behavior, 41(2), 149–170. https://doi.org/10.1002/ab.21564
Asseraf, M. & Vaillancourt, T. (2015). Longitudinal links between perfectionism and depression in children. Journal of Abnormal Child Psychology, 43(5), 895–908. https://doi.org/10.1007/s10802-014-9947-9
Rahbari, N. & Vaillancourt, T. (2015). Longitudinal associations between executive functions and intelligence in preschool children: A multi-method, multi-informant study. Canadian Journal of School Psychology, 30(4), 255-272. https://doi.org/10.1177/0829573515594610
Day, K., Van Lieshout, R.J., Vaillancourt, T., & Schmidt, L.A. (2015). Peer victimization in survivors of premature birth and low birth weight: Review and recommendations. Aggression and Violent Behavior, 25 Part B, 259–265. https://doi.org/10.1016/j.avb.2015.09.010
Volk, A. A., Dane, A. V., Marini, Z. A., & Vaillancourt, T. (2015). Adolescent bullying, dating, and mating: Testing an evolutionary hypothesis. Evolutionary Psychology, 13(4), 147470491561390. https://doi.org/10.1177/1474704915613909
Arnocky, S., Pearson, M., & Vaillancourt, T. (2015). Health, anticipated partner infidelity, and jealousy in men and women. Evolutionary Psychology, 13(3), 147470491559366. https://doi.org/10.1177/1474704915593666
Day, K. L., Van Lieshout, R. J., Vaillancourt, T., Saigal, S., Boyle, M. H., & Schmidt, L. A. (2015). Peer victimization in extremely low birth weight survivors. Clinical Pediatrics, 54(14), 1339–1345. https://doi.org/10.1177/0009922815580770
Cunningham, C., Chen, Y., Vaillancourt, T., Rimas, H., Deal, K., Cunningham, L. J., & Ratcliffe, J. (2015). Modeling the anti-cyberbullying preferences of university students: Adaptive choice–based conjoint analysis. Aggressive Behavior, 41(4), 369–385. https://doi.org/10.1002/ab.21560
Arnocky, S., Sunderani, S., Gomes, W., & Vaillancourt, T. (2015). Anticipated partner infidelity and men’s intimate partner violence: The mediating role of anxiety. Evolutionary Behavioral Sciences, 9(3), 186–196. https://doi.org/10.1037/ebs0000021
Vaillancourt, T., Brittain, H. L., McDougall, P., Krygsman, A., Boylan, K., Duku, E., & Hymel, S. (2014). Predicting borderline personality disorder symptoms in adolescents from childhood physical and relational aggression, depression, and attention-deficit/hyperactivity disorder. Development and Psychopathology, 26(3), 817–830. https://doi.org/10.1017/S0954579414000418
Wang, W., Vaillancourt, T., Brittain, H. L., McDougall, P., Krygsman, A., Smith, D., Cunningham, C. E., Haltigan, J. D., & Hymel, S. (2014). School climate, peer victimization, and academic achievement: Results from a multi-informant study. School Psychology Quarterly, 29(3), 360–377. https://doi.org/10.1037/spq0000084
Haltigan, J.D. & Vaillancourt, T. (2014). Joint trajectories of bullying and peer victimization across elementary and middle school and associations with symptoms of psychopathology. Developmental Psychology, 50(11), 2426–2436. https://doi.org/10.1037/a0038030
Arnocky, S. & Vaillancourt, T. (2014). Sex differences in response to victimization by an intimate partner: More stigmatization and less help-seeking among males. Journal of Aggression, Maltreatment, & Trauma, 23(7), 705–724. https://doi.org/10.1080/10926771.2014.933465
Vaillancourt, T. (2013). Do human females use indirect aggression as an intrasexual competition strategy? Philosophical Transactions of the Royal Society B: Biological Sciences, 368(1631), 20130080–20130080. https://doi.org/10.1098/rstb.2013.0080
Vaillancourt, T. (2013). Students aggress against professors in reaction to receiving poor grades: An effect moderated by student narcissism and self-esteem. Aggressive Behavior, 39(1), 71–84. https://doi.org/10.1002/ab.21450
Vaillancourt, T., Brittain, H. L., McDougall, P., & Duku, E. (2013). Longitudinal links between childhood peer victimization, internalizing and externalizing problems, and academic functioning: Developmental cascades. Journal of Abnormal Child Psychology, 41(8), 1203–1215. https://doi.org/10.1007/s10802-013-9781-5
Vaillancourt, T. & McDougall, P. (2013). The link between childhood exposure to violence and academic achievement: Complex pathways. Journal of Abnormal Child Psychology, 41(8), 1177–1178. https://doi.org/10.1007/s10802-013-9803-3
Vaillancourt, T., Hymel, S., & McDougall, P. (2013). The biological underpinnings of peer victimization: Understanding why and how the effects of bullying can last a lifetime. Theory into Practice, 52(4), 241–248. https://doi.org/10.1080/00405841.2013.829726
Arnocky, S., Sunderani, S., & Vaillancourt, T. (2013). Mate poaching and mating success in humans. Journal of Evolutionary Psychology, 11(2), 65–83. https://doi.org/10.1556/JEP.11.2013.2.2
Whitley, J., Smith, D., & Vaillancourt, T. (2013). Promoting mental health literacy among educators: Critical in school-based prevention and intervention. Canadian Journal of School Psychology, 28(1), 56-70. https://doi.org/10.1177/0829573512468852
Sunderani, S., Arnocky, S., & Vaillancourt, T. (2013). Individual differences in mate poaching: An examination of hormonal, dispositional, and behavioral mate-value traits. Archives of Sexual Behavior, 42(4), 533–542. https://doi.org/10.1007/s10508-012-9974-y
Cleverley, K., Szatmari, P., Vaillancourt, T., Boyle, M., & Lipman, E. (2012). Developmental trajectories of physical and indirect aggression from late childhood to adolescence: Sex differences and outcomes in emerging adulthood. Journal of the American Academy of Child and Adolescent Psychiatry, 51(10), 1037–1051. https://doi.org/10.1016/j.jaac.2012.07.010
Blain-Arcaro, C., Smith, J. D., Cunningham, C., Vaillancourt, T., & Rimas, H. (2012). Contextual attributes of indirect bullying situations that influence teachers’ decisions to intervene. Journal of School Violence, 11(3), 226–245. https://doi.org/10.1080/15388220.2012.682003
Arnocky, S. & Vaillancourt, T. (2012). A multi-informant longitudinal study on the relationship between aggression, peer victimization, and dating status in adolescence. Evolutionary Psychology, 10(2), 253–270. https://doi.org/10.1177/147470491201000207
Arnocky, S., Sunderani, S., Miller, J., & Vaillancourt, T. (2012). Jealousy mediates links between self-perceived attractiveness and female indirect aggression. Personal Relationships, 19(2), 290–303. https://doi.org/10.1111/j.1475-6811.2011.01362.x
Campbell, W. N., Missiuna, C., & Vaillancourt, T. (2012). Peer victimization and depression in children with and without motor coordination difficulties. Psychology in the Schools, 49(4), 328–341. https://doi.org/10.1002/pits.21600
Boylan, K., Vaillancourt, T., & Szatmari, P. (2012). Linking oppositional behaviour trajectories to the development of depressive symptoms in childhood. Journal of Child Psychiatry & Human Development, 43(3), 484–497. https://doi.org/10.1007/s10578-011-0277-7
Knack, J., Tsar, V., Vaillancourt, T., Hymel, S., & McDougall, P. (2012). What protects rejected adolescents from also being bullied by their peers? The moderating role of peer-valued characteristics. Journal of Research on Adolescence, 22(3), 467–479. https://doi.org/10.1111/j.1532-7795.2012.00792.x
Vaillancourt, T. & Sharma, A. (2011). Intolerance of sexy peers: Intrasexual competition among women. Aggressive Behavior, 37(6), 569–577. https://doi.org/10.1002/ab.20413
Vaillancourt, T., Duku, E., Becker, S., Schmidt, L., Nicol, J., Muir, C., & MacMillian, H. (2011). Peer victimization, depressive symptoms, and high salivary cortisol predict poor memory in children. Brain and Cognition, 77(2), 191–199. https://doi.org/10.1016/j.bandc.2011.06.012
Vaillancourt, T. & Sunderani, S. (2011). Psychopathy and indirect aggression: The roles of cortisol, sex, and type of psychopathy. Brain and Cognition, 77(2), 170–175. https://doi.org/10.1016/j.bandc.2011.06.009
Vaillancourt, T. & Schmidt, L. A. (2011). Aggression and peer victimization: Genetic, neurophysiological, and neuroendocrine considerations [Special Issue]. Brain and Cognition, 77(2), 151–152. https://doi.org/10.1016/j.bandc.2011.06.006
Boylan, K., Miller, J., Vaillancourt, T., & Szatmari, P. (2011). Confirmatory factor structure of anxiety and depression: Evidence of item variance across childhood. International Journal of Methods in Psychiatric Research, 20(4), 194–202. https://doi.org/10.1002/mpr.349
Vaillancourt, T., Trinh, V., McDougall, P., Duku, E., Cunningham, L., Cunningham, C., Hymel, S., & Short, K. (2010). Optimizing population screening of bullying in school-aged children. Journal of School Violence, 9(3), 233–250. https://doi.org/10.1080/15388220.2010.483182
Vaillancourt, T., Brittain, H., Bennett, L., Arnocky, S., McDougall, P., Hymel, S., Short, K., Sunderani, S., Scott, C., Mackenzie, M., & Cunningham, L. (2010). Places to avoid: Population-based study of student reports of unsafe and high bullying areas at school. Canadian Journal of School Psychology, 25(1), 40-54. https://doi.org/10.1177/0829573509358686
Swearer, S., Espelage, D., Vaillancourt, T., & Hymel, S. (2010). What can be done about school bullying? Linking research to educational practice. Educational Researcher, 39(1), 38–47. https://doi.org/10.3102/0013189X09357622
Pagani, L. S., Japel, C., Vaillancourt, T., & Tremblay, R. E. (2010). Links between middle childhood trajectories of family dysfunction and indirect aggression. Journal of Interpersonal Violence, 25(12), 2175–2198. https://doi.org/10.1177/0886260509354886
Cunningham, C. E., Cunningham, L. J., Ratcliffe, J., & Vaillancourt, T. (2010). A qualitative analysis of the bullying prevention and intervention recommendations of students in Grades 5 to 8. Journal of School Violence, 9(4), 321–338. https://doi.org/10.1080/15388220.2010.507146
Vaillancourt, T., deCatanzaro, D., Duku, E., Muir, C. (2009). Androgen dynamics in the context of children’s peer relations: An examination of the links between testosterone and peer-victimization. Aggressive Behavior, 35(1), 103–113. https://doi.org/10.1002/ab.20288
Miller, J. L., Vaillancourt, T., & Hanna, S. (2009). The measurement of “eating-disorder-thoughts” and “eating-disorder-behaviors”: Implications for assessment and detection of eating disorders in epidemiological studies. Eating Behaviors, 10(2), 89–96. https://doi.org/10.1016/j.eatbeh.2009.02.002
Miller, J., Vaillancourt, T., & Boyle, M. (2009). Examining the heterotypic continuity of aggression using teacher reports: Results from a national Canadian study. Social Development, 18(1), 164–180. https://doi.org/10.1111/j.1467-9507.2008.00480.x
Cunningham, C. E., Vaillancourt, T., Rimas, H., Deal, K., Cunningham, L., Short, K., & Chen, Y. (2009). Modeling the bullying prevention program preferences of educators: A discrete choice conjoint experiment. Journal of Abnormal Child Psychology, 37(7), 929–943. https://doi.org/10.1007/s10802-009-9324-2
Vaillancourt, T., McDougall, P., Krygsman, A., Hymel, S., Miller, J., Stiver, K., & Davis, C. (2008). Bullying: Are researchers and children/youth talking about the same thing? International Journal of Behavioral Development, 32(6), 486–495. https://doi.org/10.1177/0165025408095553
Vaillancourt, T., Duku, E, deCatanzaro, D., MacMillan, H., & Muir, C., & Schmidt, L.A. (2008). Variation in hypothalamic-pituitary-adrenal axis activity among bullied and non-bullied children. Aggressive Behavior, 34(3), 294–305. https://doi.org/10.1002/ab.20240
Miller, J. L., Schmidt, L.A., & Vaillancourt, T. (2008). Shyness, sociability, and eating problems in a non-clinical sample of female undergraduates. Eating Behaviors, 9(3), 352–359. https://doi.org/10.1016/j.eatbeh.2008.01.001
Pagani, L. S., Japel, C., Vaillancourt, T., Cote, S., & Tremblay, R. E. (2008). Links between life course trajectories of family dysfunction and anxiety during middle childhood. Journal of Abnormal Child Psychology, 36(1), 41–53. https://doi.org/10.1007/s10802-007-9158-8
Vaillancourt, T., Miller, J., Fagbemi, J, Cote, S., & Tremblay, R.E. (2007). Trajectories and predictors of indirect aggression: Results from a nationally representative longitudinal study of Canadian children aged 2 to 10. Aggressive Behavior, 33(4), 314–326. https://doi.org/10.1002/ab.20202
Cote, S., Vaillancourt, T., Barker, T., Nagin, D., & Tremblay, R. E. (2007). The joint development of physical and indirect aggression: Predictors of continuity and change during childhood. Development and Psychopathology, 19(1), 37–55. https://doi.org/10.1017/S0954579407070034
Boylan, K., Vaillancourt, T., Boyle, M., Szatmari, P. (2007). Comorbidity of internalizing disorders in children with oppositional defiant disorder. European Journal Child and Adolescent Psychiatry, 16(8), 484–494. https://doi.org/10.1007/s00787-007-0624-1
Miller, J. & Vaillancourt, T. (2007). Relation between childhood peer victimization and adult perfectionism: Are victims of indirect aggression more perfectionistic? Aggressive Behavior, 33(3), 230–241. https://doi.org/10.1002/ab.20183
Vaillancourt, T. & Hymel, S. (2006). Aggression, social status: The moderating roles of sex and peer-valued characteristics. Aggressive Behavior, 32(4), 396–408. https://doi.org/10.1002/ab.20138
Cote, S., Vaillancourt, T., LeBlanc, J. C., Nagin, D., & Tremblay, R. (2006). The development of physical aggression from toddlerhood to pre-adolescence: A nation-wide longitudinal study of Canadian children. Journal of Abnormal Child Psychology, 34(1), 71–85. https://doi.org/10.1007/s10802-005-9001-z
Miller, J., Schmidt, L., Vaillancourt, T., McDougall, P., & Laliberte, M. (2006). Neuroticism and introversion: A risky combination for disordered eating among a non-clinical sample of undergraduate women. Eating Behaviors, 7(1), 69–78. https://doi.org/10.1016/j.eatbeh.2005.07.003
Vaillancourt, T. (2004). Toward a bully-free community: The case of Hamilton, Ontario, Canada. Teaching and Learning, 1, 14–16.
Vaillancourt, T., Brendgen, M., Boivin, M., & Tremblay, R. (2003). Longitudinal confirmatory factor analysis of indirect and physical aggression: Evidence of two factors over time? Child Development, 74(6), 1628–1638. https://doi.org/10.1046/j.1467-8624.2003.00628.x
Vaillancourt, T., Hymel, S., & McDougall, P. (2003). Bullying is power: Implications for school-based intervention strategies. Journal of Applied School Psychology, 19(2), 157–176. https://doi.org/10.1300/J008v19n02_10
[also appears in M. Elias & J. Zins (Eds), Bullying, peer harassment, and victimization in the schools: The next generation of prevention. Haworth Press, NY.]