David C. Geary

David C. Geary is a Curators’ Distinguished Professor in the Department of Psychological Sciences and the Interdisciplinary Neuroscience Program at the University of Missouri.

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8 Posts

The Great Divergence

Many psychological and behavioural gaps between men and women have widened in more gender-equal countries, dealing a major blow to sociological theories of sex differences.

David C. Geary / Lewis G. Halsey

4 Feb 2025 · 8 min read

Sex Differences in the Brain and the Mind

Men’s and women’s brains are biased to notice and process different aspects of the social and physical world.

David C. Geary

18 Jan 2024 · 12 min read

The Rise of Father Absence and Its Attendant Social Ills

Fatherless children are at higher risk of delinquency that undermines their own prospects and disrupts the communities in which they reside.

David C. Geary

7 Mar 2023 · 12 min read

Understanding the Rise of Transgender Identities

The social dynamics of girls’ and women’s friendship groups, including a desire to fit in and avoid conflict, may make them more susceptible to social contagion.

David C. Geary

10 Feb 2023 · 13 min read

The Ideological Refusal to Acknowledge Evolved Sex Differences

Boys and girls are not infinitely malleable, socially constructed products of the patriarchy.

David C. Geary

1 Sep 2022 · 14 min read

The Fragility of Modern Education in the Time of COVID-19

The COVID-related disruptions of schooling have scattered hundreds of millions of children and adolescents across an archipelago of small islands that are not well-suited to fostering modern educational goals.

David C. Geary

22 Nov 2020 · 15 min read

Sex Differences in Occupational Attainment are Here to Stay

The sex difference here is found in hunter-gatherer, pastoral, and agricultural societies, as well as in early empires, developing nations, and the modern world.

David C. Geary

2 Nov 2020 · 16 min read

The Real Causes of Human Sex Differences

The prevailing view in the social and behavioral sciences is that human sex differences are typically small in magnitude, largely social in origin, and driven by gender roles (below).

David C. Geary

20 Oct 2020 · 12 min read