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Chimps And Humans Share Same Personalities: Study May 9, 2014
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Chimpanzees don't just look like they have the same kinds of personalities humans have, they actually do.
Scientists say that chimpanzees have nearly the same personality traits as humans, revealing just how akin we are to our closest relatives in the animal kingdom.

The similarity seems to result from the two species’ comparable neurobiology.

Researchers from Georgia State University found that the most fundamental personality traits in chimps, like humans, vary according to whether the animal is a generally dominant “Alpha” or a more playful and sociable “Beta.”

They also identified five personality factors that combine differently in each of the 174 individual chimpanzees studied.

Those include conscientiousness, dominance, extroversion, agreeableness and intellect.

This mirrors the five-factor model of the human personality, but the specific factors are a bit different in chimps.

About 98 percent of human DNA is exactly the same as that in chimpanzees, making people as closely related to chimps as horses are to zebras.

The personality findings were published in the journal PLoS ONE.

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