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IQ - Intelligence Quotient

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Definition: The score of an intelligence test that is a number derived from standardized psychological tests of an individual’s capacity to learn. The test results provide a score which is compared to the same age group. For instance, a score of 100 means that half of the population scores higher than you and half scores lower than you. A score of 100 is about average. A score of 130 means that 97.5% of the population of your ages scores lower than you. 2.5% of the population have an IQ under 70. (It is said that Einstein's IQ is about 160.) One of the most common standardized tests used on children is school is the Wechsler Intelligence Scale for Children.
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