Intelligence quotient - Wikipedia
Raw scores on IQ tests for many populations have been rising at an average rate of three IQ points per decade since the early 20th century, a phenomenon called the Flynn effect. …
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IQ | Intelligence Testing, Cognitive Ability & Mental Age ...
Dec 11, 2025 · IQ, (from “intelligence quotient”), a number used to express the relative intelligence of a person. It is one of many intelligence tests.
Intelligence Quotient (IQ): Definition, Scoring ...
Nov 27, 2025 · Intelligence quotient (IQ) is a standardized score that expresses how far an individual’s performance on an intelligence test lies above or below the average for their age …
What Is a Genius IQ Score on an IQ Scale? - Verywell Mind
Jan 30, 2025 · What is considered a genius IQ score on an IQ scale? Learn about how IQ test scores are assessed, what IQ levels mean, and what percentage of people are geniuses.
What does IQ mean? And what are the 5 areas it tests? - IQ ...
IQ, or intelligence quotient, is a measure of a person’s intelligence. It is measured by standardized tests that are designed to assess human intelligence. The IQ test was created in the early 20th …
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