Human Nature

, Volume 15, Issue 3, pp 271–282

Relative digit lengths predict men’s behavior and attractiveness during social interactions with women



Recent evidence suggests that the ratio of the lengths of the second and fourth fingers (2D:4D) may reflect degree of prenatal androgen exposure in humans. In the present study, we tested the hypotheses that 2D:4D would be associated with ratings of men’s attractiveness and with levels of behavioral displays during social interactions with potential mates. Our results confirm that male 2D:4D was significantly negatively correlated with women’s ratings of men’s physical attractiveness and levels of courtship-like behavior during a brief conversation. These findings provide novel evidence for the organizational effects of hormones on human male attractiveness and social behavior.

Key words

2D:4D Attractiveness Courtship Testosterones 


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Copyright information

© Aldine Transaction 2004

Authors and Affiliations

  1. 1.The University of ChicagoUSA
  2. 2.Department of PsychologyUniversity of CaliforniaSanta BarbaraUSA

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