World's Best Scientists 2026 revealed!

D-Index & Metrics

Psychology

D-Index
71
Citations
15128
World Ranking
2207
National Ranking
131

Overview

Ray Blanchard is affiliated with the University of Toronto in Canada and has contributed extensively to research spanning psychology, social sciences, and medicine. Their work primarily focuses on areas such as gender studies, social psychology, experimental and cognitive psychology, reproductive medicine, and pediatrics, perinatology, and child health.

Their research topics include demographic trends and gender preferences, LGBTQ health, identity, and policy, evolutionary psychology and human behavior, sexuality, behavior, and technology, reproductive health and technologies, sexual differentiation and disorders, and adolescent sexual and reproductive health.

Blanchard has published in several noteworthy venues, including:

  • Archives of Sexual Behavior
  • Proceedings of the Royal Society B Biological Sciences
  • The Journal of Sexual Medicine
  • Hormones and Behavior
  • The Journal of Sex Research

Some of the recent papers authored by Blanchard include:

  • A method yielding comparable estimates of the fraternal birth order and female fecundity effects in male homosexuality, 2020, Proceedings of the Royal Society B Biological Sciences
  • Meta-Analyses of Fraternal and Sororal Birth Order Effects in Homosexual Pedophiles, Hebephiles, and Teleiophiles, 2020, Archives of Sexual Behavior
  • Reassessing the Effect of Older Sisters on Sexual Orientation in Men, 2020, Archives of Sexual Behavior
  • New Data on Birth Order in Homosexual Men and Women and a Reply to Vilsmeier et al. (2021a, 2021b), 2022, Archives of Sexual Behavior

Frequent collaborators in Blanchard's research include Jurian Krupp, Paul L. Vasey, Kenneth J. Zucker, Doug P. VanderLaan, and Klaus M. Beier.

Best Publications

  • Child pornography offenses are a valid diagnostic indicator of pedophilia.

    Michael C. Seto;James M. Cantor;Ray Blanchard

  • Evidence for an altered sex ratio in clinic-referred adolescents with gender dysphoria.

    Madison Aitken;Thomas D. Steensma;Ray Blanchard;Doug P. VanderLaan

  • Gender and sexual orientation differences in sexual response to sexual activities versus gender of actors in sexual films.

    Meredith L. Chivers;Michael C. Seto;Ray Blanchard

  • Homosexuality in men and number of older brothers.

    Ray Blanchard;Anthony F. Bogaert

  • The concept of autogynephilia and the typology of male gender dysphoria.

    Ray Blanchard

  • Pedophilia, hebephilia, and the DSM-V.

    Ray Blanchard;Ray Blanchard;Amy D. Lykins;Amy D. Lykins;Diane K. Wherrett;Michael E. Kuban

  • Sensitivity and specificity of the phallometric test for pedophilia in nonadmitting sex offenders

    Ray Blanchard;Philip Klassen;Robert Dickey;Michael E. Kuban

  • Phallometric diagnosis of pedophilia.

    Kurt Freund;Ray Blanchard

  • The classification and labeling of nonhomosexual gender dysphorias

    Ray Blanchard

  • Sexual orientation and handedness in men and women: a meta-analysis.

    Martin L. Lalumière;Ray Blanchard;Kenneth J. Zucker

  • Cerebral white matter deficiencies in pedophilic men

    James M. Cantor;Noor Kabani;Noor Kabani;Noor Kabani;Bruce K. Christensen;Bruce K. Christensen;Robert B. Zipursky;Robert B. Zipursky

  • Intelligence, memory, and handedness in pedophilia.

    James M. Cantor;Ray Blanchard;Bruce K. Christensen;Robert Dickey

  • Quantitative Reanalysis of Aggregate Data on IQ in Sexual Offenders

    James M. Cantor;Ray Blanchard;Lori K. Robichaud;Bruce K. Christensen

  • Typology of male-to-female transsexualism.

    Ray Blanchard

  • Quantitative and theoretical analyses of the relation between older brothers and homosexuality in men

    Ray Blanchard

  • Fraternal birth order and the maternal immune hypothesis of male homosexuality.

    Ray Blanchard

  • Birth order and sibling sex ratio in homosexual versus heterosexual males and females.

    Ray Blanchard

  • Heterosexual and homosexual gender dysphoria

    Ray Blanchard;Leonard H. Clemmensen;Betty W. Steiner

  • Pedophiles: mental retardation, maternal age, and sexual orientation.

    Ray Blanchard;Mark S. Watson;Alberto Choy;Robert Dickey

  • H-Y antigen and homosexuality in men.

    Ray Blanchard;Philip Klassen

Frequent Co-Authors

Kenneth J. Zucker
Kenneth J. Zucker University of Toronto
James M. Cantor
James M. Cantor Centre for Addiction and Mental Health
Anthony F. Bogaert
Anthony F. Bogaert Brock University
Doug P. VanderLaan
Doug P. VanderLaan University of Toronto
Howard E. Barbaree
Howard E. Barbaree University of Toronto
Bruce K. Christensen
Bruce K. Christensen Australian National University
Kurt Freund
Kurt Freund University of Toronto
Lee Ellis
Lee Ellis University of Malaya
J. Michael Bailey
J. Michael Bailey Northwestern University

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

Pursuing a degree in Psychology opens diverse opportunities, especially in applied fields like behavior analysis. Many students consider online degrees for flexibility and accessibility. Specializing as a Board Certified Behavior Analyst (BCBA) has become a popular pathway, allowing professionals to support individuals with behavioral and developmental needs.

To take this step, it is essential to understand local requirements. For example, those wondering how to become a bcba in San Francisco should pay close attention to state-specific rules and supervised experience. Similarly, understanding the San Jose bcba education requirements is key for students in Silicon Valley, while Santa Ana bcba education requirements and Scottsdale bcba education requirements offer insight for those in Southern California and Arizona, respectively.

Graduates with these credentials find careers in schools, clinics, and private practice. Online psychology and ABA programs make these careers accessible to more learners, providing a clear pathway to professional impact in diverse communities.

Best Scientists Citing Ray Blanchard

Trending Scientists