Thursday, March 17, 2011

Human Prejudice Has Ancient Evolutionary Roots

The tendency to perceive others as “us versus them” isn’t exclusively human but appears to be shared by our primate cousins, a new study led by Yale researchers has found.

In a series of ingenious experiments, Yale researchers led by psychologist Laurie Santos showed that monkeys treat individuals from outside their groups with the same [...]
Human Prejudice Has Ancient Evolutionary Roots

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