Journal
SYMMETRY-BASEL
Volume 15, Issue 1, Pages -Publisher
MDPI
DOI: 10.3390/sym15010133
Keywords
rejection; mate choice; asymmetry; facial metrics; facial disharmony; facial asymmetry
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Investigations on mate choice in humans often focus on preferences, but little is known about the factors that contribute to rejection by a potential mate. This study aimed to examine the influence of facial asymmetry and facial disharmony on mate rejection by men, and found that these factors only affected rejection when associated with male age and income.
Investigations on mate choice in humans frequently report preferences, but there is little knowledge about what is important for rejection by a potential mate. The present study aims to verify if facial asymmetry and facial disharmony have an influence on mate rejection by men. We hypothesized that more asymmetric and disharmonious faces would be more rejected. For this purpose, photographs of women's faces were presented in pairs by self-declared heterosexual men. It was requested they reject one of the faces as a potential mate for a long-term relationship. Women's faces were also analyzed to measure facial asymmetry and facial disharmony. We used a linear mixed model to evaluate the effect of the cited metrics on each face's number of rejections. We found that the female metrics influenced mate rejection only if associated with male age and income. The older participants rejected female partners with asymmetric faces. We suggest that aging makes men more demanding in mate choices, at least considering facial asymmetry. We concluded that rejection could be a key variable in mate choice studies, but further research is needed to clarify its effects.
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