IQ (Intelligence Quotient)

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IQ is a standardized score that summarizes general cognitive ability relative to the population. Scores are set to a mean of 100 and a standard deviation of 15, so 100 is exactly average.

IQ Glossary & Terms

📅 Last updated: 2026-06-18 · ✔ Reviewed by the All-Lifes editorial team · About · Methodology
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