Official Mensa IQ Test Free, Accurate, International 2025! Try the Mensa IQ Quiz online with instant results and advanced ...

Test your IQ with this challenging brain teaser! Spot the odd number hidden in the '101' sequence series within 11 seconds.

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.

I kinda spoiled it above, but ChatGPT’s Verbal IQ was 155. That’s higher than 99.9% of the 2,450 test takers that make up the American WAIS III standardization sample.

A group of psychologists, two from Northwestern University and the third from the University of Oregon, has found via online testing that IQ scores in the U.S. may be dropping for the first time ...

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.