World's Best Scientists 2026 revealed!
Tracy Vaillancourt

Tracy Vaillancourt

D-Index & Metrics

Psychology

D-Index
72
Citations
20548
World Ranking
2057
National Ranking
120

Tracy Vaillancourt publication distribution in Psychology in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Psychology in 2026. The highlighted bar marks where Tracy Vaillancourt sits on this spectrum.

31–40 publications: 6 scientists 41–50 publications: 52 scientists 51–60 publications: 138 scientists 61–70 publications: 299 scientists 71–80 publications: 461 scientists 81–90 publications: 605 scientists 91–100 publications: 713 scientists 101–110 publications: 736 scientists 111–120 publications: 686 scientists 121–130 publications: 670 scientists 131–140 publications: 644 scientists 141–150 publications: 597 scientists 151–160 publications: 576 scientists 161–170 publications: 477 scientists 171–180 publications: 450 scientists 181–190 publications: 397 scientists 191–200 publications: 343 scientists 201–210 publications: 328 scientists 211–220 publications: 313 scientists 221–230 publications: 283 scientists 231–240 publications: 226 scientists 241–250 publications: 196 scientists 251–260 publications: 201 scientists 261–270 publications: 171 scientists 271–280 publications: 151 scientists 281–290 publications: 139 scientists 291–300 publications: 113 scientists 301–310 publications: 102 scientists 311–320 publications: 100 scientists 321–330 publications: 76 scientists 331–340 publications: 92 scientists 341–350 publications: 85 scientists 351–360 publications: 69 scientists 361–370 publications: 71 scientists 371–380 publications: 63 scientists 381–390 publications: 58 scientists 391–400 publications: 57 scientists 401–410 publications: 43 scientists 411–420 publications: 33 scientists 421–430 publications: 50 scientists 431–440 publications: 41 scientists 441–450 publications: 32 scientists 451–460 publications: 27 scientists 461–470 publications: 28 scientists 471–480 publications: 25 scientists 481–490 publications: 28 scientists 491–500 publications: 20 scientists 501–510 publications: 23 scientists 511–520 publications: 26 scientists 521–530 publications: 17 scientists 531–540 publications: 21 scientists 541–550 publications: 14 scientists 551–560 publications: 16 scientists 561–570 publications: 10 scientists 571–580 publications: 22 scientists 581–590 publications: 9 scientists 591–600 publications: 14 scientists 601–610 publications: 9 scientists 611–620 publications: 11 scientists 621–630 publications: 4 scientists 631–640 publications: 7 scientists 641–650 publications: 5 scientists 651–660 publications: 10 scientists 661–670 publications: 8 scientists 671–680 publications: 8 scientists 681–690 publications: 4 scientists 691–700 publications: 3 scientists 701–704 publications: 4 scientists 705+ publications: 100 scientists
31 publications 705+

This scientist: 281 publications — 85th percentile

85% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 705 publications or more.

Tracy Vaillancourt D-index placement in Psychology in 2026

The chart shows the D-index (discipline H-index) distribution of Psychology scientists ranked by Research.com in 2026. The highlighted bar marks where Tracy Vaillancourt sits on this spectrum.

30–31 D-Index: 398 scientists 32–33 D-Index: 702 scientists 34–35 D-Index: 671 scientists 36–37 D-Index: 659 scientists 38–39 D-Index: 641 scientists 40–41 D-Index: 671 scientists 42–43 D-Index: 617 scientists 44–45 D-Index: 558 scientists 46–47 D-Index: 495 scientists 48–49 D-Index: 487 scientists 50–51 D-Index: 445 scientists 52–53 D-Index: 390 scientists 54–55 D-Index: 408 scientists 56–57 D-Index: 345 scientists 58–59 D-Index: 325 scientists 60–61 D-Index: 321 scientists 62–63 D-Index: 248 scientists 64–65 D-Index: 290 scientists 66–67 D-Index: 218 scientists 68–69 D-Index: 219 scientists 70–71 D-Index: 215 scientists 72–73 D-Index: 183 scientists 74–75 D-Index: 169 scientists 76–77 D-Index: 132 scientists 78–79 D-Index: 137 scientists 80–81 D-Index: 120 scientists 82–83 D-Index: 112 scientists 84–85 D-Index: 86 scientists 86–87 D-Index: 101 scientists 88–89 D-Index: 83 scientists 90–91 D-Index: 77 scientists 92–93 D-Index: 70 scientists 94–95 D-Index: 78 scientists 96–97 D-Index: 58 scientists 98–99 D-Index: 53 scientists 100–101 D-Index: 57 scientists 102–103 D-Index: 48 scientists 104–105 D-Index: 53 scientists 106–107 D-Index: 46 scientists 108–109 D-Index: 24 scientists 110–111 D-Index: 35 scientists 112–113 D-Index: 27 scientists 114–115 D-Index: 32 scientists 116–117 D-Index: 31 scientists 118–119 D-Index: 22 scientists 120–121 D-Index: 16 scientists 122–123 D-Index: 24 scientists 124–125 D-Index: 18 scientists 126–127 D-Index: 11 scientists 128–129 D-Index: 19 scientists 130–131 D-Index: 10 scientists 132–133 D-Index: 16 scientists 134–135 D-Index: 10 scientists 136–137 D-Index: 12 scientists 138–139 D-Index: 8 scientists 140–141 D-Index: 5 scientists 142–143 D-Index: 12 scientists 144+ D-Index: 98 scientists
30 D-Index 144+

This scientist: 72 D-Index — 82nd percentile

82% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 144 D-Index or more.

Overview

Tracy Vaillancourt is affiliated with the University of Ottawa in Canada and has an extensive research portfolio within the field of psychology, focusing primarily on clinical psychology and related subfields. Their work includes significant contributions to understanding child and adolescent psychosocial and emotional development, as well as areas concerning autism spectrum disorder research, bullying, victimization, and aggression.

Their recent papers include:

  • School bullying before and during COVID-19: Results from a population-based randomized design, 2021, published in Aggressive Behavior

While the most cited recent papers in related areas come from coauthors such as Sheri Madigan and Ann H. Farrell, these papers contribute context to the broader research landscape around mental health challenges and developmental issues in youth amid the COVID-19 pandemic.

Frequent coauthors who have collaborated extensively with Vaillancourt include:

  • Isabel M. Smith
  • Lonnie Zwaigenbaum
  • Péter Szatmári
  • Eric Duku
  • Connor M. Kerns

Vaillancourt's work has been published repeatedly in several key venues that focus on developmental and clinical psychology issues, including:

  • Journal of Autism and Developmental Disorders
  • Aggressive Behavior
  • Journal of Child Psychology and Psychiatry
  • Autism
  • Development and Psychopathology

Their research spans main fields and subfields such as:

  • Psychology
  • Clinical Psychology
  • Cognitive Neuroscience
  • Social Psychology
  • Experimental and Cognitive Psychology
  • Psychiatry and Mental Health

Key thematic topics in Vaillancourt's research include:

  • Child and Adolescent Psychosocial and Emotional Development
  • Autism Spectrum Disorder Research
  • Family and Disability Support Research
  • Bullying, Victimization, and Aggression
  • Child Development and Digital Technology
  • Child Nutrition and Feeding Issues
  • COVID-19 and Mental Health

This range demonstrates a comprehensive focus on developmental and psychological challenges faced by children and adolescents, including the impact of social environments and health crises such as the COVID-19 pandemic.

Best Publications

  • What Can Be Done About School Bullying?: Linking Research to Educational Practice

    Susan M. Swearer;Dorothy L. Espelage;Tracy Vaillancourt;Shelley Hymel

  • The Development of Physical Aggression from Toddlerhood to Pre-Adolescence: A Nation Wide Longitudinal Study of Canadian Children

    Sylvana M. Côté;Tracy Vaillancourt;John C. LeBlanc;Daniel S. Nagin

  • Long-term adult outcomes of peer victimization in childhood and adolescence: Pathways to adjustment and maladjustment.

    Patricia McDougall;Tracy Vaillancourt

  • Bullying: Are Researchers and Children/Youth Talking about the Same Thing?.

    Tracy Vaillancourt;Patricia McDougall;Shelley Hymel;Amanda Krygsman

  • Bullying Is Power

    Tracy Vaillancourt;Shelley Hymel;Patricia McDougall

  • The joint development of physical and indirect aggression: Predictors of continuity and change during childhood

    Sylvana M. Côté;Tracy Vaillancourt;Edward D. Barker;Daniel Nagin

  • Aggression and social status: the moderating roles of sex and peer‐valued characteristics

    Tracy Vaillancourt;Shelley Hymel

  • Comorbidity of internalizing disorders in children with oppositional defiant disorder.

    Khrista Boylan;Tracy Vaillancourt;Michael Boyle;Peter Szatmari

  • Longitudinal links between childhood peer victimization, internalizing and externalizing problems, and academic functioning: Developmental cascades

    Tracy Vaillancourt;Heather L. Brittain;Patricia McDougall;Eric Duku;Eric Duku

  • The Consequences of Childhood Peer Rejection

    Patricia McDougall;Shelley Hymel;Tracy Vaillancourt;Kay Louise Mercer

  • Developmental Trajectories of Symptom Severity and Adaptive Functioning in an Inception Cohort of Preschool Children With Autism Spectrum Disorder

    Peter Szatmari;Stelios Georgiades;Eric Duku;Teresa A. Bennett

  • School climate, peer victimization, and academic achievement: results from a multi-informant study

    Weijun Wang;Tracy Vaillancourt;Heather L. Brittain;Patricia McDougall

  • Intolerance of sexy peers: intrasexual competition among women

    Tracy Vaillancourt;Tracy Vaillancourt;Aanchal Sharma

  • Investigating Phenotypic Heterogeneity in Children with Autism Spectrum Disorder: A Factor Mixture Modeling Approach.

    Stelios Georgiades;Peter Szatmari;Michael Boyle;Steven Hanna

  • Examination of bidirectional relationships between parent stress and two types of problem behavior in children with autism spectrum disorder.

    Anat Zaidman-Zait;Anat Zaidman-Zait;Pat Mirenda;Eric Duku;Peter Szatmari;Peter Szatmari

  • Changes in Depression and Anxiety Among Children and Adolescents From Before to During the COVID-19 Pandemic

    Unknown

  • Places to Avoid: Population-Based Study of Student Reports of Unsafe and High Bullying Areas at School:

    Tracy Vaillancourt;Heather Brittain;Lindsay Bennett;Steven Arnocky

  • Trajectories and predictors of indirect aggression: results from a nationally representative longitudinal study of Canadian children aged 2-10.

    Tracy Vaillancourt;Jessie L. Miller;Joshua Fagbemi;Sylvana Côté

  • A longitudinal confirmatory factor analysis of indirect and physical aggression: evidence of two factors over time?

    Tracy Vaillancourt;Mara Brendgen;Michel Boivin;Richard E. Tremblay

  • Do human females use indirect aggression as an intrasexual competition strategy

    Tracy Vaillancourt

  • Child physical and sexual abuse in a community sample of young adults: Results from the Ontario Child Health Study

    Harriet L. MacMillan;Masako Tanaka;Eric Duku;Tracy Vaillancourt;Tracy Vaillancourt

Frequent Co-Authors

Peter Szatmari
Peter Szatmari University of Toronto
Lonnie Zwaigenbaum
Lonnie Zwaigenbaum University of Alberta
Isabel M. Smith
Isabel M. Smith Dalhousie University
Eric Duku
Eric Duku McMaster University
Susan E. Bryson
Susan E. Bryson Dalhousie University
Stelios Georgiades
Stelios Georgiades McMaster University
Pat Mirenda
Pat Mirenda University of British Columbia
Joanne Volden
Joanne Volden University of Alberta
Wendy Roberts
Wendy Roberts University of Toronto
Charlotte Waddell
Charlotte Waddell Simon Fraser University

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