In this optical illusion picture, the number 28 is hiding among 82’s. Are you one of the selected few with the sharpest ...

There are several different ways to test observation skills withan IQ test. But, solving the brain teaser challenge ...

Visual illusions play tricks with the human brain and test your attentiveness. In today’s visual illusion IQ test, the ...

ChatGPT is the first nonhuman subject I have ever tested. In my work as a clinical psychologist, I assess the cognitive skills of human patients using standardized intelligence tests. So I was ...