A detailed explanation of what IQ means and how it is measured – including eight tests you can take! In Test Your IQ, Professor Hans Eysenck, the world-renown

IQ i.e. Intelligent Quotient is an age related measure of intelligence level. Intelligence may be defined as the capacity to measure knowledge and understanding

In this sequel to Know Your Own IQ, Eysenck responds to criticisms, providing five new tests of the standard type as a check. He also provides three specific te

Written by IQ expert Nathan Haselbauer, The Everything(r) Test Your IQ Book features 10 tests with more than 400 questions, making this the one-stop resource fo

Tests a person's intelligence with a self-scoring collection of twenty-five challenging IQ quizzes that include diagrams, numerical challenges, wordplay, and ot