Tracy Vaillancourt

Research

Crc Longitudinal Mental Health Physical Health Workplace Abuse Workplace Climate Youth Academic Achievement

Latest papers

School attendance matters: co-occurring trajectories of school attendance and academic achievement from elementary to secondary school in a Canadian context
Frontiers in Child and Adolescent Psychiatry · 2026 · senior author
Profiles of parent–teacher discrepancy on autistic children’s adaptive functioning
Autism · 2026
Differences in Clinical Profiles of Transgender and Gender Diverse Adolescents Compared to Cis-gender Adolescents Attending a Tertiary Mental Health Clinic
Child Psychiatry and Human Development · 2026

All 141 publications

Latest funding

Canada Research Chair - Tier 1
CIHR · 2024 · Nominated PI
$1,400,000
In-depth exploration of outdoor learning: A case study of a school-level approach
SSHRC · 2024 · Co-investigator
$32,200
A tolerated intolerable: A longitudinal examination of youth soccer referee abuse and its impact on health
CIHR · 2023 · Nominated PI
$944,776

All 13 grants and awards

141 publications.

01

School attendance matters: co-occurring trajectories of school attendance and academic achievement from elementary to secondary school in a Canadian context

Brittain H, Vaillancourt T

Frontiers in Child and Adolescent Psychiatry20262 citationsSenior author

DOI: 10.3389/frcha.2026.1729744

02

Profiles of parent–teacher discrepancy on autistic children’s adaptive functioning

Thorne RL, Wright N, De Los Reyes A, Smith IM, Zaidman-Zait A, Zwaigenbaum L, Vaillancourt T, Szatmari P, Bennett TA, Duku E

Autism20261 citations

DOI: 10.1177/13623613251407310

03

Differences in Clinical Profiles of Transgender and Gender Diverse Adolescents Compared to Cis-gender Adolescents Attending a Tertiary Mental Health Clinic

Shah N, Hatchard T, Brittain H, Zhao J, Duncan L, Pires P, Vaillancourt T, Boylan K

Child Psychiatry and Human Development20261 citations

DOI: 10.1007/s10578-026-01982-z

04

Affective Generative Artificial Intelligence Use and Youth Mental Health.

Bonnesen K, Krygsman A, Hobson S, Korczak D, Vaillancourt T

JAMA pediatrics20261 citationsSenior author

DOI: 10.1001/jamapediatrics.2026.3904

05

Cybervictimisation as a marker of broader youth harm

Vaillancourt T

The Lancet Child and Adolescent Health20261 citationsFirst author

DOI: 10.1016/s2352-4642(25)00343-8

06

Research on Eating and Adolescent Lifestyle (REAL) 2.0: 15-year follow-up study of eating disorders and weight-related trajectories, mental health and substance use health from early adolescence to early adulthood—a Canadian cohort profile

Obeid N, Buchholz A, Bradley AH, Mistry N, Vaillancourt T, Colman I, Tasca GA, Corace K, Maras D, Goldfield G

BMJ Open20261 citations

DOI: 10.1136/bmjopen-2025-103434

07

Brief report: joint trajectories of anxiety and depression symptoms in an inception cohort of autistic youth

Hunsche MC, Zaidman-Zait A, Olana M, Szatmari P, Bennett T, Duku E, Georgiades S, Smith IM, Zwaigenbaum L, Elsabbagh M

Frontiers in Psychiatry20261 citations

DOI: 10.3389/fpsyt.2026.1741956

08

Parental concerns correspond to earliest age of autism diagnosis in increased likelihood infant cohort

Clintberg K, Sacrey L-AR, Zwaigenbaum L, Brian JA, Szatmari P, Vaillancourt T

Frontiers in Child and Adolescent Psychiatry20261 citationsSenior author

DOI: 10.3389/frcha.2025.1722543

09

Retrospective Perceptions of Income Inequality, School, and Neighborhood Conditions: Associations with Peer Victimization During Adolescence and Young Adulthood

Cino J, Barnes S, Farrell AH, Eriksson MJ, Vaillancourt T

Behavioral Sciences2026Senior author

DOI: 10.3390/bs16020237

10

Temporal associations between bullying victimization, mental health, academic achievement, and school absences across elementary and secondary school

Brittain H, Vaillancourt T

Scientific Reports2026Senior author

DOI: 10.1038/s41598-026-45784-8

Canada Research Chair - Tier 1

Nominated PICIHR2024Canada Research Chairs - CIHR Funded - Tier 1

Principal investigators: Vaillancourt, Tracy

Keywords: Crc

$1,400,000

In-depth exploration of outdoor learning: A case study of a school-level approach

Co-investigatorSSHRC2024Insight Development Grant

Principal investigators: Halsall, Tanya

Keywords: Outdoor learning; Risky play; School climate; Mixed methods; Photo elicitation; Semi-structured interviews; Nature-based intervention; Outdoor play; Implementation science; Upstream prevention

$32,200

A tolerated intolerable: A longitudinal examination of youth soccer referee abuse and its impact on health

Nominated PICIHR2023Project Grant

Principal investigators: Vaillancourt, Tracy

Keywords: Longitudinal; Mental Health; Physical Health; Workplace Abuse; Workplace Climate; Youth

$944,776

Inequality measures and econometric modelling

Co-investigatorSSHRC2023Connection Grants

Principal investigators: Jasiak, Joann

Keywords: economics; econometrics; inequality measures; estimation; inference

$83,204

Canada Learning Loss Policy Report

Principal investigatorSSHRC2023Connection Grants

Principal investigators: Vaillancourt, Tracy

Keywords: Learning loss; pandemic; Canada; students; academic achievement; education;

$97,508

Inter- and intra-group peer relationships, peer victimization and well-being among immigrant, refugee, ethnocultural and racialized adolescents.

Co-investigatorSSHRC2021Insight Development Grant

Principal investigators: Vitoroulis, Irene

Keywords: immigrant, refugee, ethno-cultural and racialized (IRER); general peer victimization; bias-based peer victimization; discrimination; school context; inter- and intra-group peer relationships; ethnic identity; acculturation; school context; well-being

$63,739

Lessons from the COVID-19 Global Pandemic: Implications for Social Relationships, Loneliness, and the Well-Being of Canadian Children and Youth

Co-investigatorSSHRC2021Knowledge Synthesis Grants - Emerging Asocial Society

Principal investigators: Farrell, Ann

Keywords: children; youth; adolescents; loneliness; well-being; mental health; COVID-19; social relationships

$27,940

Examining the etiology of serious mental illness among youth: When and for whom does peer victimization matter?

SupervisorCIHR2020CIHR Fellowship

Principal investigators: Lambe, Laura

Keywords: Adolescence; Borderline Personality; Bullying; Child Maltreatment; Child Psychology; Developmental Trajectory; Mental Health; Peer Victimization

$135,000

International Society for Research on Aggression 2020 World Meeting

Principal investigatorSSHRC2019Connection Grants

Principal investigators: Vaillancourt, Tracy

Keywords: conference; aggression; violence; prevention; intervention; ISRA; education; research sharing; networking; training; capacity building; multidisciplinary; international

$24,913

Canada Research Chair - Tier 1

Nominated PICIHR2017Canada Research Chairs - CIHR Funded - Tier 1

Principal investigators: Vaillancourt, Tracy

Keywords: Crc

$1,400,000

From CIHR, NSERC and SSHRC funding decisions: CIHR since 2008, NSERC since 1991 and SSHRC since 1998, including their latest published competition results.

Frequent collaborators

Psychiatry & Behavioural Neurosciences
Pediatrics
Psychology, Neuroscience & Behaviour
Psychology
Health Research Methods, Evidence, and Impact
Health Services
Biostatistics Division
Other

Co-authors at University of Ottawa, colored by department. Thicker lines mean more shared papers; select anyone to open their profile and their own map.

Tracy Vaillancourt

Psychology, Neuroscience & Behaviour

141 shared papers, latest 2026

Lonnie Zwaigenbaum

Pediatrics

55 shared papers, latest 2026

Peter Szatmari

Health Research Methods, Evidence, and Impact

51 shared papers, latest 2026

Peter Szatmari

Faculty

50 shared papers, latest 2026

Eric Duku

Psychiatry & Behavioural Neurosciences

45 shared papers, latest 2026

Teresa Bennett

Psychiatry & Behavioural Neurosciences

39 shared papers, latest 2026

Stelios Georgiades

Psychiatry & Behavioural Neurosciences

38 shared papers, latest 2026

Mayada Elsabbagh

Faculty

33 shared papers, latest 2026

Charlotte Waddell

Health Services

21 shared papers, latest 2023

Jessica Brian

Pediatrics

12 shared papers, latest 2023

Louis Schmidt

Psychology, Neuroscience & Behaviour

8 shared papers, latest 2024

Sheri Madigan

Psychology

6 shared papers, latest 2025

Irene Vitoroulis

Faculty

5 shared papers, latest 2023

Saroj Saigal

Pediatrics

4 shared papers, latest 2018

Ryan Van Lieshout

Psychiatry & Behavioural Neurosciences

4 shared papers, latest 2018

Michael Boyle

Psychiatry & Behavioural Neurosciences

4 shared papers, latest 2018

Eleanor Pullenayegum

Biostatistics Division

3 shared papers, latest 2023

Nicole Racine

Psychology

3 shared papers, latest 2023

Simone Vigod

Family Practice

2 shared papers, latest 2021

Isabel Smith

Faculty

2 shared papers, latest 2024

Charles E Cunningham

Psychiatry & Behavioural Neurosciences

2 shared papers, latest 2020

Kenneth Deal

Marketing

2 shared papers, latest 2020

Daphne Korczak

Faculty

1 shared papers, latest 2026

Meng-Chuan Lai

Faculty

1 shared papers, latest 2022

Gary Goldfield

Pediatrics

1 shared papers, latest 2026

Gina Dimitropoulos

Psychiatry

1 shared papers, latest 2025

Nicole Obeid

Faculty

1 shared papers, latest 2026

Nicole Racine

Psychology

1 shared papers, latest 2022

Zacharie Saint-Georges

Faculty

1 shared papers, latest 2020

Sheila McDonald

Obstetrics and Gynecology

1 shared papers, latest 2023

David Nicholas

Faculty

1 shared papers, latest 2019

Taylor Hatchard

Psychiatry & Behavioural Neurosciences

1 shared papers, latest 2026

Paul McNicholas

Mathematics and Statistics

1 shared papers, latest 2022

Khrista Boylan

Psychiatry & Behavioural Neurosciences

1 shared papers, latest 2026

Sue Becker

Psychology, Neuroscience & Behaviour

1 shared papers, latest 2011

Magdalena Janus

Psychiatry & Behavioural Neurosciences

1 shared papers, latest 2015

Harriet MacMillan

Psychiatry & Behavioural Neurosciences

1 shared papers, latest 2011

Write to this professor

A short, specific email works best. This draft uses one of their recent papers; replace the parts in brackets with your own details before sending.

Applying for

Paper to mentionMention their CIHR grant from 2024

Subject: Prospective PhD student: Crc Dear Professor Vaillancourt, My name is [your name], and I am a [your current degree or role] at [your institution]. I am applying for a PhD position starting in [term and year]. I read your paper "School attendance matters: co-occurring trajectories of school attendance and academic achievement from elementary to secondary school in a Canadian context" (2026), and it connects closely to my own work on [your research topic]. [One or two sentences on what you did and what you learned.] I also saw your CIHR-funded project "Canada Research Chair - Tier 1" (2024), and I would be glad to contribute to work in that direction. Are you accepting new PhD students for [term and year]? I have attached my CV and transcripts, and I would be glad to talk at a time that suits you. Thank you for your time. Kind regards, [your name]