What is IQ and Which are the most commonly used tests to measure IQ ?

What is IQ

 

The moment you hear about IQ, the name that comes to your mind is Albert Ensitein. His IQ was around 160 and 190. But it is William James Sidis who holds the record with an IQ score between 250-300. At the age of 11 he presented his study on 4-dimensional physics at Harvard !.

What is IQ

Intelligence Quotient is a measure of a person’s ability to solve complex problems and absorb and memorize new things quickly. It measure’s individual’s intelligence relative to peers of similar age. IQ tests came into existence  in France in the 1900s to identify students who required special assistance in schools. Sir Alfred Binet devised the test initially, which was later modified by David Weschler from US. He included 4 areas of intelligence namely verbal Comprehension Index, a Perceptual Reasoning Index, a Working Memory Index, and a Processing Speed Index.  According to research studies ,modern IQ test is a good predictor of many life outcomes, including educational and career success, health and longevity.

Most commonly used tests for IQ 

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