The Essentials of Mental Measurement

First published in 1940, as the fourth edition of a 1911 original, this book forms part of The Cambridge Psychological Library series. The text is divided into two main sections, with the first part discussing aspects of psychophysics and the second focusing on the area of correlation. Detailed notes and numerous tables are contained throughout. This book will be of value to anyone with an interest in the history of psychology and mental measurement.