Test your observation skills with this optical illusion IQ challenge that claims only people with a High IQ 141 can find the two hidden cats. Designed to improve focus, visual perception, and logical ...

Reviewed by Amy Morin, LCSW Key Takeaways The term "genius" is no longer used in IQ classifications, but scores above 140 are ...

This 1937 version of the Stanford-Binet Intelligence Scales was produced in the United States. It used objects because this IQ test was aimed at children. Credit: SSPL/ Getty Images The Hechinger ...

Medically reviewed by Dakari Quimby, PhD The average IQ score is designed to be 100.IQ scores between 90 and 109 are considered average.Genetics accounts for about 50% of the IQ differences between ...

Intelligence Quotient (IQ) tests have intrigued people for decades as a way to measure cognitive abilities. This article delves into the origins, evolution, applications, and significance of IQ tests, ...