If humans are sensitive to the costs and benefits of favouring kin in different circumstances,
a strong prediction is that cues of relatedness will have a positive effect on prosocial feelings, …

Face preferences affect a diverse range of critical social outcomes, from mate choices and
decisions about platonic relationships to hiring decisions and decisions about social …

Organisms are expected to be sensitive to cues of genetic relatedness when making decisions
about social behaviour. Relatedness can be assessed in several ways, one of which is …

Men with low testosterone (feminine men) invest in relationships and offspring more than
men with high testosterone (masculine men). Women's attraction to testosterone dependent …

Recent formulations of sexual selection theory emphasize how mate choice can be affected
by environmental factors, such as predation risk and resource quality. Women vary greatly in …

Studies of women's preferences for male faces have variously reported preferences for
masculine faces, preferences for feminine faces and no effect of masculinity–femininity on male …

Concerns about the veracity of psychological research have been growing. Many findings in
psychological science are based on studies with insufficient statistical power and …

Previous studies of changes in women's behavior during the menstrual cycle have offered
insight into the motivations underpinning women's preferences for social cues associated with …

Women's preferences for masculinity in men's faces, voices and behavioral displays change
during the menstrual cycle and are strongest around ovulation. While previous findings …

Previous studies have documented variation in sexual behaviour between individuals leading
to the notion of ‘restricted’ individuals (ie, people who prefer long-term relationships) and ‘…