This week Scientific American ran an article of mine, “Student Surveys Contradict Claims of Evolved Sex Differences.” Here’s the gist:
For more than three decades evolutionary psychologists have advanced a simple theory of human sexuality: because men invest less reproductive effort in sperm than women do in eggs, men’s and women’s brains have been shaped differently by evolution. As a result, men are eager for sex whereas women are relatively choosy. But a steady stream of recent evidence suggests this paradigm could be in need of a makeover.
A highly cited 1993 paper on evolved sex differences (linked to below) served as the story’s jumping off point and foil. Evolutionary psychologist David Buss of the University of Texas at Austin, a co-author of that paper, kindly responded to a query of mine while I was writing the story, laying out his objections to the evidence I cited in the article. I knew I wasn’t going to have room to do justice to his views, so I asked him if I could post his comments to this blog. He did me one better: he wrote a direct response to my article, which I’m reprinting below in its entirety. Read the rest of this entry »