Relationships between digit ratio 2D:4D and self-reported aggression and risk taking in an online study

Honekopp, Johannes (2011) Relationships between digit ratio 2D:4D and self-reported aggression and risk taking in an online study. Personality and Individual Differences, 51 (1). pp. 77-80. ISSN 0191-8869

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Official URL: http://dx.doi.org/10.1016/j.paid.2011.03.010

Abstract

2D:4D, the length ratio of the second to the fourth digit, is a putative measure of prenatal testosterone, which may have effects on aggression and risk taking. Participants in a German online study (>1000females, >1200 males) submitted their self-measured digit lengths and self-report measures on verbal and physical aggression and risk taking. For males, left-hand 2D:4D and verbal aggression correlated significantly(r = [1].10, after correction for age and reduced reliability in self-measured 2D:4D), with other relationships being similar but non-significant. For females, no relationships between aggression and 2D:4D were found. Risk taking and right-hand 2D:4D correlated significantly in women (r = [1].10, after correction for age and reduced reliability in self-measured 2D:4D); similar, but statistically non-significant, relationships were found in men. The result corroborates an emerging view that 2D:4D is negatively related to aggression in males and that 2D:4D is negatively related to risk taking. This tentatively points to effects of prenatal testosterone on these characteristics.

Item Type: Article
Uncontrolled Keywords: Testosterone, aggression, risk taking
Subjects: C800 Psychology
Department: Faculties > Health and Life Sciences > School of Life Sciences > Psychology
Depositing User: Ay Okpokam
Date Deposited: 12 Dec 2011 22:29
Last Modified: 10 Aug 2015 11:38
URI: http://nrl.northumbria.ac.uk/id/eprint/4029

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