Medically reviewed by Dakari Quimby, PhD The average IQ score is designed to be 100.IQ scores between 90 and 109 are considered average.Genetics accounts for about 50% of the IQ differences between ...
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 ...
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