For decades, scientists and other researchers have focused primarily on intelligence--usually measured through IQ tests--as the most significant predictor of success. However, there are forms of ...

Optical illusions are powerful IQ tests that reveal how sharp your observation ... can you spot the hidden cat in this ...

In the age of the internet, everyone loves to review everything. From the earliest days of the internet and computers ...

Find out where you stand with our verbal IQ test. Please note that this assessment is meant for those whose first language is English. Take your time, read the questions carefully and choose the ...

While online IQ tests cannot replace professionally administered ones, they can be a fun way to challenge your brain and get a general idea of your cognitive abilities. Whether you're curious about ...

Find out how smart you are (and increase your IQ) with our classical IQ test. This classical IQ test measures several factors of intelligence, namely logical reasoning, math skills, language ...

score is a number that attempts to measure an individual's intelligence based on their test performance in the areas of verbal comprehension, perceptual reasoning, memory, and processing speed.

then success on the test represented the 8-year-old level of intelligence. From Binet's work, the phrase "intelligence quotient," or "IQ," entered the vocabulary. The IQ is the ratio of "mental ...

How clever are you and how does your brain power compare to the rest of the UK’s? Is your smartphone making you stupid? Can you make yourself more intelligent? When it comes to measuring ...