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  1. 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. …

  2. IQTest.com--The Original Free Online IQ Test

    This free, certified IQ Test gives you a real IQ score in just minutes. IQTest.com offers the most scientifically valid & reliable IQ test online.

  3. What Is the Average IQ? Normal Ranges, Chart, Uses, Scores

    Jul 17, 2024 · An IQ (intelligence quotient) test is a standardized method to know the mental ability of a person, usually against a peer group. IQ scores between 90 and 109 indicate …

  4. IQ | Intelligence Testing, Cognitive Ability & Mental Age | Britannica

    Nov 7, 2025 · IQ, (from “intelligence quotient”), a number used to express the relative intelligence of a person. It is one of many intelligence tests.

  5. IQ Test Online | Official Mensa-Style Intelligence Test | myIQ

    Take our accurate online IQ test in just 15 minutes. Get your instant IQ score, detailed analysis, and percentile ranking. Professionally designed intelligence assessment.

  6. Average IQ by State 2025 - World Population Review

    After all, it is nearly impossible to fully calculate someone’s intellect because it is not a variable that is numerically represented. Instead, IQ scores are a way of trying to put a number on …

  7. Understanding IQ Score Scales: A Complete Guide | Riot IQ

    Dec 16, 2025 · An IQ score scale is a standardized system that reports IQ test scores so that they are centered at 100, with most people scoring between 85 and 115. The scale follows a …

  8. IQ Definition & Meaning - Merriam-Webster

    The meaning of IQ is a number used to express the apparent relative intelligence of a person. How to use IQ in a sentence.

  9. What does IQ mean? And what are the 5 areas it tests? - IQ Test …

    IQ stands for Intelligent Quotient. It is the measure of a person’s intelligence. An intelligence quotient (IQ) is a total score derived from several standardized tests designed to assess …

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    • IQ test

      Jul 24, 2025 · Just take a full length, real IQ test to find out where you end up on the IQ scale or IQ chart. Although even very elaborate tests will still be an estimate, the better the test the …

      • Reviews: 1K