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Estimated on the basis of five subtests, the Verbal IQ of the ChatGPT was 155, superior to 99.9 percent of the test takers who make up the American WAIS III standardization sample of 2,450 people.

Most adults never have to take an IQ test. ... by practice? The science reveals that, whether you’re a child or an adult, it is possible to improve your performance on cognitive tests.