Child D. The Essentials of Factor Analysis 1990

Textbook in PDF format

Factor analysis is an increasingly important tool for understanding and working with quantitative data. It is used in education (for analysing exam results), psychology, medical science, economics and other scientific fields, and allows one to work with statistics from an area where many variables are involved. Even those who are not called on to make use of the method themsleves will require some knowledge of it in order to understand books and papers in which it appears. The maths involved in the technique can be very complex and offputting, and many of those brought into contact with it are desperate for a simple introduction. This book fills that need, and already has a reputation for doing so