dhbd45@mail.missouri.edu Lab: Cognitive Development Laboratory

Mathematical cognition and development, including the cognitive mechanisms underlying mathematical learning disability

Evolutionary psychology, including the evolution of human development, sex differences, mating psychology, and personality

Geary, D.C., Bailey, D.H., Littlefield, A., Wood, P., Hoard, M.K., & Nugent, L. (in press). First-grade
predictors of mathematical learning disability: A latent class trajectory analysis. Cognitive Development.

Bailey, D.H., Oxford, J.K., & Geary, D.C. (2009). Ultimate and proximate influences on human
sex differences. Behavioral and Brain Sciences, 32, 266-267.

Geary, D.C., Bailey, D.H., & Hoard, M.K. (2009). Predicting mathematical achievement and mathematical learning disability with a simple screening tool: The number sets test. Journal of Psychoeducational Assessment, 27, 265-279.

Bailey, D.H., & Geary, D.C. (2009). Hominid brain evolution: Testing climactic, ecological, and social competition models. Human Nature, 20, 67-79.