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The digit ratio (2D:4D) and economic preferences: no robust associations in a sample of 330 women.

ABSTRACT: Many studies report on the association between 2D:4D, a putative marker for prenatal testosterone exposure, and economic preferences. However, most of these studies have limited sample sizes and test multiple hypotheses (without preregistration). In this study we mainly replicate the common specifications found in the literature for the association between the 2D:4D ratio and risk taking, the willingness to compete, and dictator game giving separately. In a sample of 330 women we find no robust associations between any of these economic preferences and 2D:4D. We find no evidence of a statistically significant relation for 16 of the 18 total regressions we run. The two regression specifications which are statistically significant have not previously been reported and the associations are not in the expected direction, and therefore they are unlikely to represent a real effect.

SUBMITTER: Parslow E 

PROVIDER: S-EPMC6917633 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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The digit ratio (2D:4D) and economic preferences: no robust associations in a sample of 330 women.

Parslow Elle E   Ranehill Eva E   Zethraeus Niklas N   Blomberg Liselott L   von Schoultz Bo B   Hirschberg Angelica Lindén AL   Johannesson Magnus M   Dreber Anna A  

Journal of the Economic Science Association 20191011 2

Many studies report on the association between 2D:4D, a putative marker for prenatal testosterone exposure, and economic preferences. However, most of these studies have limited sample sizes and test multiple hypotheses (without preregistration). In this study we mainly replicate the common specifications found in the literature for the association between the 2D:4D ratio and risk taking, the willingness to compete, and dictator game giving separately. In a sample of 330 women we find no robust  ...[more]

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