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What is the average adult IQ?

A:

Quick Answer

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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Full Answer

According to the Curiosity Aroused website, IQ tests have a clear quantitative bell curve that sees 95 percent of test takers scoring somewhere between 70 and 130. As a result, individuals with IQ scores below 69 are considered to have scored extremely low, while those scoring above 130 are considered intellectually gifted. The Weschler classification regards the true average as 90 to 109. The Stanford-Binet Scale of Human Intelligence considers people with scores above 145 to be geniuses.

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