H. J. Eysenck: Know your own I.Q.

˝Intelligence Quotient, as a useful means of measuring brain capacity, has come more and more into the public eye in recent years, and the run-away success of a television programme like Pencil and Paper, drawing some 14,000,000 viewers every week, proves how ready people are to put themselves to the intelligence test. This is at present the only book which permits the reader to determine his own I.Q. In the first part of it the well-known author of Sense and Nonsense in Psychology and Uses and Abuses of Psychology describes clearly what an I.Q. is, how it can be applied, and what the shortcomings of this system of rating may be. The second part of the book contains eight sets of forty I.Q. problems each, and these are graduated from 'quite easy' to 'very difficult'. There are tables for converting results into an I.Q. rating, and also explanations of the problems, together with the right answers, at the end of the book.˝