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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. IQ Test. Free and No registration. Best IQ tests online since ...

    Jul 24, 2025 · Real and Free IQ test. Get your IQ score fast and accurate. Test how smart you are in just a few minutes with this fast online IQ test.

    • Reviews: 1K
    • IQ Levels

      IQ, or Intelligence Quotient, is a score from a test that measures a person’s thinking skills and problem-solving abilities. An IQ test doesn’t define a person’s worth or potential, but it gives an …

    • IQ | Intelligence Testing, Cognitive Ability & Mental Age ...

      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.

    • 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 …

    • 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 the Average IQ—and What Your Score Actually Means

      Sep 5, 2025 · By design, the average intelligence quotient (IQ) is 100 for all people, with scores that assess your ability to think, understand, reason, learn, and remember.

    • 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 …

      • Reviews: 1.8K
      • What is IQ? (Intelligence Quotient) (2025) - Helpful Professor

        May 4, 2024 · IQ, or intelligence quotient, is a score derived from standardized tests designed to measure human intelligence. The concept of IQ was developed to assess cognitive abilities …