A considerable proportion of the population experiences varying degrees of same-sex attraction. It has been proposed that men exhibit high tolerance to their partner’s same-sex infidelity, which allows such predispositions to exist in a relative high frequency in the population. On this basis, the hypothesis was tested that heterosexual men and women would differ in their tolerance level, with men exhibiting higher tolerance to same-sex infidelity than women. Evidence from an online sample of 590 heterosexual Greek-speaking participants provided strong support for this hypothesis. In particular, the vast majority of women exhibited low tolerance, while about one in two men exhibited high tolerance to same-sex infidelity. Furthermore, men and women exhibited higher tolerance to the same-sex infidelity of their long-term than of their short-term partners, with men exhibiting higher tolerance in the latter case. In addition, women exhibited low tolerance to opposite-sex and same-sex infidelity, but men exhibited low tolerance to opposite-sex infidelity, but much higher tolerance to same-sex infidelity.

中文翻译：

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女性同性吸引力的演变

相当大比例的人口经历了不同程度的同性吸引。已经提出，男人对伴侣的同性不忠表现出高度的容忍度，这使得这种倾向在人群中以相对较高的频率存在。在此基础上，检验了以下假设：异性恋男人和女人的容忍度会有所不同，男人对同性不忠的容忍度要高于女人。来自590名讲希腊语的异性恋参与者的在线样本证据为这一假设提供了有力的支持。尤其是，绝大多数女性表现出较低的容忍度，而大约二分之一的男性表现出对同性不忠的高度容忍度。此外，男人和女人对长期同性不忠的容忍度要比短期伴侣高，而男人对后者的不容忍度更高。此外，女性对异性和同性不忠的容忍度低，但是男性对异性不忠的容忍度低，但对同性不忠的容忍度高得多。