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What is a genius IQ score?

Reviewed by Amy Morin, LCSW Key Takeaways The term "genius" is no longer used in IQ classifications, but scores above 140 are ...
Who has the highest IQ in history? One answer would be: a 10-year-old girl from Missouri. In 1956, according to lore, she took a version of the Stanford-Binet IQ test and recorded a mental age of 22 ...