Brain Teaser: Who Is Poor? Only 1% Extremely Observant Pass This IQ Test In 5 Seconds! If you can spot the fake doctor in ...

If you solve this brain teaser under time pressure, you are definitely among those who can handle challenges with precision ...

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

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 ...

The age-appropriate Wechsler IQ test was given: 44 completed the Wechsler Intelligence Scale for Children-Third Edition (WISC-III) and 6 the Wechsler Adult Intelligence Scale-Third Edition (WAIS-III).

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Optical illusions test your brain’s incredible processing power. These captivating challenges test your IQ, sharpen your ...

Historically, IQ was a score obtained by dividing a person's mental age score, obtained by administering an intelligence test, by the person's chronological age, both expressed in terms of years and ...

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Do you know that solving picture puzzles can reveal much about your IQ?  Studies suggest that people with sharp observation ...