DOI: 10.17265/2159-5542/2015.09.001
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Nathan Omasta, Sharon Bertsch, Bryan J. Pesta

Abstract: Success in the fields of science, technology, engineering, and mathematics (STEM) is dependent in part upon an individual's cognitive ability in the areas of abstract mathematical reasoning and spatial reasoning. These abilities are related to prenatal hormone levels and can be estimated by measuring finger-size ratios. Specifically, the ratio between an individual's second and fourth digits (2d:4d) is inversely related to prenatal androgen exposure. Smaller 2d:4d ratios are associated with higher scores on m…

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