Females Women also fall victim to misconceptions during male-female interactions. Haselton and Buss (2000) argued that these errors primarily stem from women's perceived desire for a
committed relationship by a male counterpart. One of these evolved strategies is to commit the Skeptical Commitment Bias.
Skeptical commitment bias Women's commitment skepticism arises from the high costs of falsely inferring a mate's commitment to a relationship. It hypothesizes that women have adapted to be cognitively biased towards under perceiving male interest and commitment. This is due to the high cost of a false positive – a man not being committed and a woman accepting him – that could lead to raising a child without an investing mate, reputational damage and risk reducing chances of future courtship. The cost of a false negative – a man that is committed and a woman rejecting him – is far less costly to the female. Women are limited to how many children they can have in a lifetime. However, men are not limited and can reproduce multiple times. Therefore, overperception costs are higher for females. This hypothesis is mentioned briefly by Buss (2012). Imagine a woman is assessing her potential mate's commitment intent. The woman's father also has a vested interest in whether she reproduces because he shares genes with her and thus, his reproductive interests extend to his daughter's
mate choice. The father also has to evaluate the costs and benefits of the two types of errors she could make when evaluating her mate's commitment intent. If the chosen mate sexually deceives and then leaves her then the outcome is more costly for him than if his daughter is more cautious and underestimates intent. Thus, the father might take time before offering his parental seal of approval. The father shows the same skeptical commitment bias as his daughter, favouring the false negative error because it is less costly. Taking the parental dynamic and switching it from father to mother, the same could be said for sexual overperception bias. A mother has an interest in who her son decides to mate with and therefore will favour the false positive error over false negative. If she fails to detect real interest in the woman, and thus, fails to share this female interest with her son, then it is more costly to her than if she falsely detects sexual interest from a woman towards her son and encourages him to pursue. If her son misses an opportunity, he has missed the chance to pass on his, and in doing so her own, genes. Therefore, the mother shows the same overperception bias as her son, favouring the false positive error because it is less costly. It is not sex or gender that predicts what type of cognitive bias might be expressed but rather the potential costs to
reproductive success.
Postmenopausal females Contrasting the evidence for fertile females, skeptical commitment bias does not occur in
postmenopausal women. Haselton and Buss (2000) found evidence for the perception biases studying young subjects; however, this was not representative of older females, who have passed through
menopause. The reason for this disparity between pre- and postmenopausal females is that fertile females underestimate the intentions of males to invest in the relationship, in order to avoid the costs of pregnancy without support; however, postmenopausal women do not perceive such costs. Their inability to conceive means that there is no reason to underestimate a male's intentions. ==Alternative explanations==