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The Facial Width-to-Height Ratio Predicts Sex Drive, Sociosexuality, and Intended Infidelity

Abstract

Previous research has linked the facial width-to-height ratio (FWHR) to a host of psychological and behavioral characteristics, primarily in men. In two studies, we examined novel links between FWHR and sex drive. In Study 1, a sample of 145 undergraduate students revealed that FWHR positively predicted sex drive. There were no significant FWHR × sex interactions, suggesting that FWHR is linked to sexuality among both men and women. Study 2 replicated and extended these findings in a sample of 314 students collected from a different Canadian city, which again demonstrated links between the FWHR and sex drive (also in both men and women), as well as sociosexuality and intended infidelity (men only). Internal meta-analytic results confirm the link between FWHR and sex drive among both men and women. These results suggest that FWHR may be an important morphological index of human sexuality.

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Notes

  1. FWHR remained a significant predictor of sex drive when ethnicity (dichotomized as Caucasian vs. non-Caucasian) was included as a covariate, b = 1.32, SE = .53, t(137) = 2.49, p = .014, partial-r = .21 and when BMI was included as a covariate, b = 1.43, SE = .57, t(136) = 2.52, p = .013, partial-r = .21.

  2. FWHR remained a significant predictor of sex drive when ethnicity (dichotomized as Caucasian vs. non-Caucasian) was included as a covariate, b = .79, SE = .30, t(309) = 2.64, p = .009, partial-r = .15. Unfortunately, body mass index was not collected in Study 2, and thus we could not control for this variable. When the sample was restricted to include only heterosexual participants, results were not meaningfully different from those presented for the full sample.

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Acknowledgements

Funding support came from the Canadian Institutes of Health Research, Canada Research Chairs Program (Grant Nos. #950-203794; #950-229048).

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Arnocky, S., Carré, J.M., Bird, B.M. et al. The Facial Width-to-Height Ratio Predicts Sex Drive, Sociosexuality, and Intended Infidelity. Arch Sex Behav 47, 1375–1385 (2018). https://doi.org/10.1007/s10508-017-1070-x

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Keywords

  • Facial width-to-height ratio (FWHR)
  • Sex drive
  • Facial morphology
  • Mating
  • Sociosexual orientation
  • Infidelity