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2. Intelligence quotient - Wikipedia

   en.wikipedia.org/wiki/Intelligence_quotient

   An intelligence quotient (IQ) is a total score derived from a set of standardized tests or subtests designed to assess human intelligence. [1] Originally, IQ was a score obtained by dividing a person's mental age score, obtained by administering an intelligence test, by the person's chronological age, both expressed in terms of years and months.

3. IQ classification - Wikipedia

   en.wikipedia.org/wiki/IQ_classification

   In the current IQ scoring method, an IQ score of 100 means that the test-taker's performance on the test is of average performance in the sample of test-takers of about the same age as was used to norm the test. An IQ score of 115 means performance one standard deviation above the mean, while a score of 85 means performance one standard ...

4. Wechsler Adult Intelligence Scale - Wikipedia

   en.wikipedia.org/wiki/Wechsler_Adult...

   The current version of the test, the WAIS-IV, which was released in 2008, is composed of 10 core subtests and five supplemental subtests, with the 10 core subtests yielding scaled scores that sum to derive the Full Scale IQ. With the WAIS-IV, the verbal/performance IQ scores from previous versions were removed and replaced by the index scores.

5. IQ scores worldwide have been on the rise for a century - AOL

   www.aol.com/article/2015/05/30/iq-scores...

   A recent study out of the University of Vienna shows that those scores, which are calculated via test responses, have been. One's intelligence quotient, or IQ, is regarded by many as being a ...

6. Wechsler Intelligence Scale for Children - Wikipedia

   en.wikipedia.org/wiki/Wechsler_Intelligence...

   In addition to VIQ, PIQ, and FSIQ scores, four new index scores were introduced: the Verbal Comprehension Index (VCI), the Perceptual Organization Index (POI), the Freedom from Distractibility Index (FDI), and the Processing Speed Index (PSI). The WISC-IV was produced in 2003. The WISC-V was published in 2014. The WISC-V has a total of 21 subtests.

7. American IQ Scores Have Rapidly Dropped, Proving the ... - AOL

   www.aol.com/american-iq-scores-rapidly-dropped...

   Leading up to the 1990s, IQ scores were consistently going up, but in recent years, that trend seems to have flipped. ... In a 1984 study, James Flynn noticed that intelligence test scores had ...