The Scientific Use of Factor Analysis in Behavioral and Life Sciences

It needs no great scientific insight to see that such multitudinously multi- variate subjects as psychology, physiology, sociology, and history need multivariate methods. As this book may show, those methods-multivari- ate analysis of variance, regression analysis, typal and discriminant func- tion analysis, multidimensional scaling, and factor analysis-belong to a single structural arch which bears up conceptual and causal understanding in all these subjects. But factor analysis is the key...