How a Focus on Rich Educated People Skews Brain Studies

In 1986, the social psychologist David Sears warned his colleagues that their habit of almost exclusively studying college students was producing a strange and skewed portrait of human nature. He was neither the first to make that critique, nor the last: Decades later, other psychologists noted that social sciences tended to focus on people from WEIRD societies—that is, Western, educated, industrialized, rich, and democratic. The results of such studies are often taken to represent humanity at large, even though their participants are drawn from a “particularly thin and rather unusual slice” of it.

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