"In preparing this third, "war" edition of the Measurement of Adult Intelligence my primary aim has been to increase the book's usefulness to those engaged in the field of applied psychometrics. I have borne in mind particularly the military applications of the Wechsler-Bellevue Scale, as it is now being used by some of the armed services of our own country as well as of Great Britain. Accordingly, most of the changes made will be found in the chapters dealing with Clinical applications and the Problem of mental deterioration. These chapters have been somewhat extended and in part rewritten. The table of 'signs' for different clinical entities has been completely revised and a new quantitative method for determining mental deterioration elaborated. Both of these presentations should be of value not only in the field of neuropsychiatric diagnosis but also in questions connected with rehabilitation. In addition to the above, some changes have been made in the scoring of certain subtests of the Scale. The effect of these changes will be to increase the I.Q. range at the upper end of the Scale, without however altering significantly the norms for the population as a whole. In the case of one or two tests (noticeably, the Arithmetic) the change has necessitated slight alteration in the scoring of some of the subtest items. Little alteration has otherwise been made in the substance of the text. One table and two figures which were not particularly useful have been omitted and two new tables which should be of immediate and practical value added. Also added is a bibliography of most of the important studies with the Wechsler-Bellevue Scale, published up to March 1944"--Preface. (PsycINFO Database Record (c) 2006 APA, all rights reserved).

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