Digit Ratio (2D:4D), Aggression, and Testosterone in Men Exposed to an Aggressive Video Stimulus

The relative lengths of the 2 nd and 4 th digits (2D:4D) is a negative biomarker for prenatal testosterone, and low 2D:4D may be associated with aggression. However, the evidence for a 2D:4D-aggression association is mixed. Here we test the hypothesis that 2D:4D is robustly linked to aggression in “...

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Bibliographic Details
Main Authors: Liam P. Kilduff, Renato N. Hopp, Christian J. Cook, Blair T. Crewther, John T. Manning
Format: Article
Language:English
Published: SAGE Publishing 2013-12-01
Series:Evolutionary Psychology
Online Access:https://doi.org/10.1177/147470491301100502