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IQ 90: A Score on the Low Side of Average

IQ 90: A Score on the Low Side of Average An IQ score of 90 is one of the most misread numbers on the scale. Because it sits below 100 — the population mean — many people assume it signals something p...

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Knowledge

IQ 140 and Above: Exploring the Gifted Range

IQ 140 and Above: Exploring the Gifted Range An IQ score of 140 sits in a part of the bell curve that few people ever reach. It represents a statistical rarity — roughly 1 person in 250 — and it is fr...

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