

The Intelligence Quotient remains the definitive means of assessing brain capacity, and this classic book, originally published in 1962, was the first that permitted readers to determine their own IQ. It includes an introduction by the prolific psychologist Hans Eysenck, followed...






Intelligence quotient, as a useful means of measuring brain capacity, has come increasingly into the public eye in recent years. This famous book (and its sequel Check Your Own IQ) enables the reader to estimate and confirm his/her own IQ rating.







