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A definitive statement of the position and techniques of the generalized program of factor analysis at date. The argument proceeds in terms of the application of matrix theory to the evaluation of correlation tables, and a mathematical introduction is therefore given to acquaint the reader with the groundwork. Other chapters include the following: the factor problem; the fundamental factor theorem; the centroid method; the principal axes (including Hotelling's special case); the special case of rank one (Spearman's original attack); primary traits; isolation of primary factors; the positive manifold; orthogonal transformations; and the appraisal of abilities. There are appendixes on the concrete steps involved in calculations by the centroid method, a method of finding the roots of a polynomial, and a method for extracting square root with a mechanical calculator. (PsycINFO Database Record (c) 2004 APA, all rights reserved).

Psychometrics. --- Correlation (Statistics)