Our original IQ test is the most scientifically valid free IQ test available online today. Previously offered only to corporations, schools, and in certified professional applications, the test is now available to …

An IQ, or intelligence quotient, is a measure of a person’s mental potential in relation to others. IQ tests are designed so that the average IQ is 100.

Instructions for the free IQ Test: Work mentally, without writing. Work quickly, as time is a factor in scoring, but correct answers are more important.

When you take the IQ test, the site will determine 13 individual IQ scores for different mental abilities. The process of analyzing a question to produce these scores is quite complex. If you order your …

Intelligence Interval Cognitive Designation 55 - 69 Challenged (2.1% of test takers) 70 - 84 Below average (13.6% of test takers) 85 - 115 Average (68.2% of

The first IQ tests were designed to compare a child’s intelligence to what his or her intelligence “should be” as compared to the child’s age. If the child was significantly smarter than a normal child of his or …

Frequently Asked Questions. Information on how IQTest.com works, and on intelligence, what your score means, intelligence testing, and site navigation.

IQ testing began with techniques from Sir Francis Galton, Alfred Binet, Theodore Simon, and Lewis Terman in Britain, France, and America.

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History of Intelligence Testing Among the first to investigate individual differences in mental ability was a British scientist, Sir Francis Galton, who compared people based on their awards and …