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Index/Topics/Evolutionary Psychology

Evolutionary Psychology

Evolutionary psychology emphasizing rank and mate-value

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2 results
Feb 7, 2026

What studies show about dominance and relationship satisfaction in couples?

Research paints a nuanced picture: is neither uniformly harmful nor uniformly beneficial for relationship satisfaction — effects depend on who is dominant, how dominance is expressed (coercive vs. pre...

Jan 11, 2026

What evidence supports or challenges evolutionary theories tying vaginal orgasm to mate choice and penis size?

A cluster of empirical studies led by Costa, Miller and Brody found that women who report preferring deeper penile–vaginal stimulation and longer-than-average penises also report higher rates of orgas...