Trade-offs and constraints are inherent to life, and studies of these phenomena play a
central role in both organismal and evolutionary biology. Trade-offs can be defined …

Are there sex differences in criteria for sexual relationships? The answer depends on what
question a researcher asks. Data suggest that, whereas the sexes differ in whether they will …

Several hypotheses on the form and function of sex differences in social behaviors were
tested. The results suggest that friendship preferences in both sexes can be understood in …

Conservative, Republican sympathizers show heightened threat reactivity, but greater felt
happiness than liberal, Democrat sympathizers. Recent evolutionary models interpret these …

Studies have shown that cognitive ability is correlated with parental socioeconomic status
(pSES). However, little is known about the correlation between personality and pSES. To …

According to the research on the influence of resources on mate selection, the amount of
financial resources affects an individual's choice of “luxuries” and “necessities” among mate …

Research has found that, for long-term dating, women value men with greater financial
resources and higher status, while for short-term dating they value men with greater physical …

This study aims to extend the content of resources to time and explore the influence of time
resources on mate selection decision, in addition, clarify the role of gender and mate …

I recently proposed a socio-relational framework that suggests that phenotypic variation in
the expression of discrete affect behaviors (eg, expressed anger vs. sadness) may reflect …

Four studies provide evidence for a process by which a woman's conspicuous consumption
can serve as a deterrent to affiliative behaviors by materialistic men, via heightened …