Faculty profile

Sam Harper

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Faculty memberEpidemiology, Biostatistics and Occupational HealthMcGill University

Sam Harper

Faculty member

Epidemiology, Biostatistics and Occupational Health

Faculty of Medicine and Health Sciences

McGill University

Montreal, Quebec, Canada

Supervision signals

This is a research or leadership role; ask the department whether it includes supervision.
138 publications in the last five years, latest in 2026.
Senior (last) author on 8 recent papers, a sign of leading a research group.

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Academic metrics

525

Publications

23,520

Citations

103

Collaborators

Publications by year

Counts cover the publications linked to this profile. Citations and the h-index appear when the source records them.

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Signals and details

Research

Read how they describe their research on their McGill University profile.

Global Health Non-Communicable Disease Epidemiology Population and Public Health Social Epidemiology

Latest papers

Investigating the replicability of the social and behavioural sciences.
Nature · 2026
Systematic reviews of quasi-experimental studies: challenges and considerations.
Journal of clinical epidemiology · 2026
Effects of China's Clean Heating Policy on respiratory symptoms and airway inflammation in adults: a quasi-experimental study in rural Beijing.
American journal of respiratory and critical care medicine · 2026

All 525 publications

From the 150 most recent of 525 publications.

Investigating the replicability of the social and behavioural sciences.

Tyner AH, Abatayo AL, Daley M, Field S, Fox N, Haber NA, Hahn KM, Struhl MK, Mawhinney B, Miske O, Silverstein P, Soderberg CK, Stankov T, Abbasi A, Aberson CL, Aczel B, Adamkovič M, Albayrak N, Allen PJ, Andreychik M, Awtrey E, Axxe E, Azevedo F, Bader MD, Bago B, Bailey J, Bakker M, Banik G, Banks GC, Baskin E, Batruch A, Beatteay A, Behr SM, Berente N, Berry Z, Białkowski J, Bodroža B, Boeschoten L, Bognar M, Bokhove C, Bonfiglio D, Bouwman R, Brady TF, Braithwaite SR, Briceño Jiménez G, Brick C, Bricka T, Briker R, Brown AN, Brown GDA, van Aert RCM, Caldwell K, Capitan S, Capitán T, Chandler J, Charles T, Chartier CR, Chawdhary R, Cheng KJ, Chopik WJ, Clark B, Colvin VE, Comer CC, Costantini G, Coupé T, Cummins J, Czernatowicz-Kukuczka A, de Leeuw J, Dobolyi D, Druckman JN, Duan J, Dujmović M, Dunleavy DJ, Durkee PK, Emery C, Esterling KM, Evans TR, Fedor A, Fernández-Castilla B, Fiala N, Field JG, Fong N, Fonseca MA, Freeman ALJ, Freese J, Geiger SJ, Geng J, Getz LM, Geven LM, Gleibs IH, Gonzales DP, Gooty J, Gourdon-Kanhukamwe A, Greculescu C, Griffin SM, Grigoryan L, Grunow M, Gunby N, Hall B, Hanel PHP, Hannon EE, Harper S, Held MJ, Hickman L, Higgins NC, Hippel S, Hoeppner S, Hong S, Hostler TJ, Inzlicht M, Izydorczak K, Jaeger B, Jankowsky K, Jarke-Neuert J, Jensen M, Jokić B, Jolles D, Jolly P, Jones AM, Juanchich M, Kačmár P, Kapoor H, Keljanovic A, Koirala S, Kołczyńska M, Kouroupaki D, Kühnen U, Landgrave M, Larson MJ, Laulié L, Lawrence ACE, Le Forestier JM, Leahy KE, Lee S, Leslie J, Lewis SC, Limnios C, Lin H, Liu AC, Lloyd JW, Ludvig EA, Lynott D, MacDonald J, Mallik P, Mallinson DJ, Marinazzo D, Martarelli CS, Matacotta J, McBride A, McHugh C, McMillan G, Méndez E, Metzger M, Michaelides MP, Michalak J, Micheli L, Miller JK, Milyavskaya M, Molden DC, Monjaras AG, Moreau D, Morrow A, Moya C, Mudrik L, Mulder LB, Munt KA, Nandi A, Nason K, Nast C, Nave G, Nax HH, Neubauer F, Nguyen PLL, Nichols AL, Nilsonne G, O'Boyle E, Oettinghaus J, Oh J, Oshana A, Ostermann T, Ostrowski RP, Oyebanjo A, Panczak R, Patrianakos J, Pavez I, Pavlov YG, Persson S, Perugini M, Peters K, Pieters C, Ponizovskiy V, Porter ND, Prenoveau JM, Purić D, Purol MF, Puthillam A, Quinn KA, Ramljak M, Reed WR, Ritchie M, Ritzau M, Roche SP, Rodela R, Röer JP, Ropovik I, Rothschild J, Saal J, Safadi H, Samaha J, Sanchez M, Sankaran S, Santos D, Sargent AC, Sauter M, Schmidt K, Schnabel L, Schroeder AN, Schuetz SW, Schuetze BA, Schulte-Mecklenbeck M, Schütz A, Sevigny EL, Shackleton E, Shafranek RM, Shaki S, Shakya S, Sirota M, Sisco MR, Sitnikov MM, Slevc LR, Smalarz L, Smith CT, Snyder JS, Sommet N, Sonmez F, Spellman BA, Stanulewicz-Buckley N, Stock G, Street CNH, Strømland E, Sundelin T, Syed M, Szabelska A, Szaszi B, Szumowska E, Tagat A, Täuber S, Tay L, Thapa S, Thatcher J, Tsaklakidou D, Tummers L, Turkovich E, Tutor MV, Urbanska K, van 't Veer AE, van Assen M, van de Ven N, van den Goorbergh R, Vargo EJ, Vaughn LA, Vazire S, Vermeulen JM, Vo DTH, Volkman V, Wagenmakers EJ, Wagner D, Walasek L, Walter F, Warmelink L, Wei L, Weißflog MI, Weller N, Wichman AL, Wilbiks J, Williams JR, Wolfe K, Wort F, Wright R, Wulff JN, Xue X, Yan VX, Yang Y, Yoon S, Žeželj I, Zhang Y, Ziano I, Zogmaister C, Zupan Z, Zwaan RA, Nosek BA, Errington TM

Nature202632 citationsOpen Access

DOI: 10.1038/s41586-025-10078-y PMID: 41922700

Systematic reviews of quasi-experimental studies: challenges and considerations.

Windle SB, Harper S, Arneja J, Socha P, Nandi A

Journal of clinical epidemiology20263 citationsOpen Access

DOI: 10.1016/j.jclinepi.2025.112121 PMID: 41461359

Effects of China's Clean Heating Policy on respiratory symptoms and airway inflammation in adults: a quasi-experimental study in rural Beijing.

Xue K, Baumgartner J, Harper S, Sternbach T, Li X, Shang J, Yuan W, Ma J, Zhang X, Carter E, Robinson B, Zhang Y

American journal of respiratory and critical care medicine20261 citationsOpen Access

DOI: 10.1093/ajrccm/aamag181 PMID: 42085295

Antenatal Corticosteroid Administration and Childhood Respiratory Morbidity: A Regression Discontinuity Study.

Hutcheon JA, Harper S, Cordingley MC, Liauw J, Skoll MA, Socha PM, Srour M, Ting JY, Strumpf EC

BJOG : an international journal of obstetrics and gynaecology2026Open Access

DOI: 10.1111/1471-0528.18252 PMID: 40511481

Antenatal Corticosteroids and Risk of Cerebral Palsy: A Regression Discontinuity Study.

Socha PM, Hutcheon JA, Strumpf EC, Liauw J, Srour M, Ting JY, Skoll MA, Harper S

The Journal of pediatrics2026Senior authorOpen Access

DOI: 10.1016/j.jpeds.2025.114960 PMID: 41448265

Evaluating the impact of free access to early childhood education on mental distress in adolescence: evidence from Europe.

Nandi A, Atabay E, Windle S, Akbari E, White L, Vincent I, Arneja J, Elgar F, Behrman J, Yang S, Harper S

Journal of epidemiology and community health2026Senior author

DOI: 10.1136/jech-2026-226571 PMID: 42686414

Impacts of Global Cannabis Policy Changes on Substance Use: A Systematic Review of Quasi-Experimental Studies.

Windle SB, Socha PM, Arneja J, Harper S, Gore G, Gariépy G, Graham E, Benedetti A, Nandi A

The Milbank quarterly2026Open Access

DOI: 10.1111/1468-0009.70108 PMID: 42520281

Inequalities in preterm birth among immigrants to Canada by race and time since immigration: A population-based repeated cross-sectional study.

Lall R, Socha PM, Harper S, Ofili DC, Hetherington E

International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics2026Open Access

DOI: 10.1002/ijgo.70608 PMID: 41159430

Unnatural definitions for natural experiments: a call for clarity when estimating causal effects of interventions.

Harper S, Kaufman J, Nandi A

Journal of epidemiology and community health2026First author

DOI: 10.1136/jech-2025-225083 PMID: 42686413

Ethnic differences in Long COVID diagnosed in primary care in England (2020–2022): an observational cohort study using OpenSAFELY

Poppy AC. Mallinson, Nick W. Birk, Alasdair David Henderson, Alex Lewin, Anoop S.V. Shah, Amir Mehrkar, Ben Goldacre, Giridhar R. Babu, Santosh Kumar Banjara, Alex J Walker, Brian MacKenna, Peter Inglesby, Christopher T. Rentsch, Helen Jane Curtis, Caroline E. Morton, Jessica Morley, Seb C J Bacon, George Hickman, Chris Bates, Richard S. Croker, David Evans, Tom Ward, Jonathan Cockburn, Simon K. Davy, Krishnan Bhaskaran, Anna Schultze, Elizabeth J. Williamson, William J. Hulme, Helen I. McDonald, Rosalind M. Eggo, et al. (43 authors)

The Lancet Regional Health - Europe2026Open Access

DOI: 10.1016/j.lanepe.2026.101605 PMID: 41694691

Profile data last refreshed on September 29, 2026 from the university directory, publication records and public research funding records.

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Sam Harper

Research

Latest papers

Investigating the replicability of the social and behavioural sciences.

Systematic reviews of quasi-experimental studies: challenges and considerations.

Effects of China's Clean Heating Policy on respiratory symptoms and airway inflammation in adults: a quasi-experimental study in rural Beijing.

Antenatal Corticosteroid Administration and Childhood Respiratory Morbidity: A Regression Discontinuity Study.

Antenatal Corticosteroids and Risk of Cerebral Palsy: A Regression Discontinuity Study.

Evaluating the impact of free access to early childhood education on mental distress in adolescence: evidence from Europe.

Impacts of Global Cannabis Policy Changes on Substance Use: A Systematic Review of Quasi-Experimental Studies.

Inequalities in preterm birth among immigrants to Canada by race and time since immigration: A population-based repeated cross-sectional study.

Unnatural definitions for natural experiments: a call for clarity when estimating causal effects of interventions.

Ethnic differences in Long COVID diagnosed in primary care in England (2020–2022): an observational cohort study using OpenSAFELY

Frequent collaborators

Jay Kaufman

Erin Strumpf

Arijit Nandi

Nicholas King

Jill Baumgartner

Jennifer Hutcheon

Brian Robinson

Nathalie Auger

Robert Platt

Mira Johri

Nichole Austin

Nancy Ross

Seungmi Yang

Meredith Young

Britt McKinnon

Christopher Barrington-Leigh

Myriam Srour

Douglas Manuel

Jessica Liauw

Olga Basso

Ernest Lo

Evan Wong

François Coutlée