Term ID: T2489

Intelligence Quotient (IQ)

/intelligence-quotient-iq/
A standardized score representing cognitive ability relative to age peers, with an average of 100 and standard deviation of 15, used to assess intellectual functioning and potential.
Example: An IQ score of 130 indicating performance better than 98% of age peers, or a score of 85 suggesting performance below average but within normal range.

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Reference: Stern (1912)