Second to Fourth Digit Ratio and the Big Five Aspects and the Externalizing Spectrum of Psychopathology
2013-04-20
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Second to Fourth Digit Ratio and the Big Five Aspects and the Externalizing Spectrum of Psychopathology
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2013-04-20
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The ratio of one’s second to fourth finger is a marker of prenatal testosterone exposure. The current study seeks to examine this phenomenon as it relates to the Big Five Aspects of personality and certain externalizing behaviors of psychopathology. Participants completed the Big Five Aspects Scale and then had their second to fourth digit ratio measured. Men’s left second to fourth digit ratio was significantly correlated with openness and with compassion. Women’s right second to fourth digit ratio was significantly correlated with intellect. Consistent with prior literature a negative relationship was found with 2D:4D and physical aggression. Blame externalization was also negatively correlated with 2D:4D, and planful control showed a positive relationship with 2D:4D. In accordance with previous literature, 2D:4D relationships with personality and some antisocial behaviors are weak, but significant.
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This research was supported by the Undergraduate Research Opportunities Program (UROP).
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Uddin, Yasir. (2013). Second to Fourth Digit Ratio and the Big Five Aspects and the Externalizing Spectrum of Psychopathology. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/157801.
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