Q:

What is considered a high IQ?

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Quick Answer

In most intelligence measurement systems, an intelligence quotient of over 130 is considered very superior; 120 to 130 is superior; from 110 to 120 is high average; and from 90 to 110 is average. About half of all people fall in the "average" category, according to the journal Science.

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Full Answer

Originally, IQ was measured as a percentage comparison between one's chronological age versus one's intellectual age. More recently, researchers have calibrated tests so that they are a population comparison, with an intelligence of 100 being exactly average. There is great debate among cognitive scientists as to what an IQ test really measures, though, with problems from cultural bias to the motivation of the test taker being identified as reasons for low scores.

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Related Questions

  • Q:

    Is an IQ of 129 good?

    A:

    An intelligence quotient, or IQ, score of 129 is rated superior. The average IQ score is 100. About 7 percent of the population scores between 120 and 129.

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  • Q:

    How is IQ calculated?

    A:

    IQ is calcuated using test results that are compiled and then compared with the results from other people in the same age group to determine the test taker's intelligence quotient. The first step in measuring a person's IQ is to administer a specially designed test.

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  • Q:

    What is the average adult IQ?

    A:

    According to HowStuffWorks, IQ scores between 90 and 110 indicate average intelligence on most tests. IQ tests are administered on a standardized scale that uses 100 as the median score.

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  • Q:

    What is a good IQ score?

    A:

    An intelligence quotient score over 140 is considered to signify a high level of intelligence. An IQ score over 160 is considered to be a genius-level intellect. The average IQ score is 100.

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