Optical illusion pictures trick the human mind and are regarded as one of the simplest tests to test an individual's intelligence. Optical illusions are highly beneficial for improving attention span ...

These quizzes seek to test your IQ by asking you various challenging questions about all kinds of subjects. Take each quiz to find out if you're a genius (I bet you are). Time to test your vocabulary ...

Optical illusions with hidden images are real-time tests of your observation power. Test your visual processing skills with ...

New York City, NY, Nov. 11, 2025 (GLOBE NEWSWIRE) -- BestIQTest.org, the world’s leading cognitive assessment innovator, proudly unveils its next-generation free IQ test online for 2025 and beyond, ...

A challenging optical illusion is testing people's observation skills by hiding a single '795' within a grid of '765s'. This puzzle requires sharp vision and quick thinking to spot the difference, as ...

IQ tests present readers with picture puzzles or math problems, and they need to find the solution within a time limit. These simple puzzle games sharpen the brain. By providing an effective workout ...

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 ...

Psychologists administer IQ tests. Some psychologists don't test children younger than 4. Costs for testing can vary by the provider. Isla McNabb, a 2-year-old from Kentucky recently became the ...