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Performance in Mathematics and Digit Ratio: Evidence from 500 University Students


  • Ángeles Sánchez-Domínguez

    () (Departament of Applied Economics, University of Granada, Spain.)

  • José Sánchez-Campillo

    () (Departament of Applied Economics, University of Granada, Spain.)

  • Dolores Moreno-Herrero

    () (Departament of Applied Economics, University of Granada, Spain.)

  • Virginia Rosales

    () (Departament of Applied Economics, University of Granada, Spain.)


We analyze the association between performance in a mathematics course among university students at the Faculty of Business and Economics and exposure to prenatal sex hormones using the second-to-fourth digit ratio. In a sample of 516 freshmen (304 women), we find an inverted U-shaped relationship between digit ratio and mathematics grades. Males and females show the same pattern in that subjects with both high and low digit ratios earn lower grades in mathematics, while subjects with the highest grades in mathematics have intermediate digit ratios. We also find that there is no statistically significant relationship between the digit ratio and the average grades earned by students in other courses except mathematics taken in the first semester at the Faculty of Business and Economics.

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  • Ángeles Sánchez-Domínguez & José Sánchez-Campillo & Dolores Moreno-Herrero & Virginia Rosales, 2013. "Performance in Mathematics and Digit Ratio: Evidence from 500 University Students," ThE Papers 13/04, Department of Economic Theory and Economic History of the University of Granada..
  • Handle: RePEc:gra:wpaper:13/04

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    Prenatal Sex Hormones; 2D:4D Digit Ratios; Performance;

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