Awarding people money for doing well in IQ tests causes them to score better, $10 increased people's score by an average of more than 20 IQ points. IQ tests don’t just measure intelligence - they also measure effort.
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The Japanese commonly put ketchup on their rice.
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91% of Americans eat turkey on Thanksgiving.
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76% of Americans celebrate New Year's Eve in groups of less than 20.
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Girls have more tastebuds than boys.
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As many as one third Americans flush the toilet while they are still on it.
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