Factor Analysis Professor Schepers' book is designed to introduce postgraduate students to the fundamentals of factor analysis, which provides the groundwork for a deep understanding of the technique. Emphasising the centroid method, Professor Schepers demonstrates how factor analysis is done right through the factor extraction and rotation process which the serious student can follow and repeat step by step. His book will provide them with a solid understanding of what actually happens when they press the Analyse button on their computer keyboards.