Psychoanalysis: science or belief system? Malcolm Macmillan's analysis of Freud's personality theory describes the logical and other assumptions on which Freud's work was based and shows how these assumptions interacted with his clinical observations to produce all-embracing but faulty methods for gathering and evaluating evidence. Macmillan provides an account of the historical evolution of Freud's thought and its background in Freud's contacts with the books and people that influenced him and evaluates the entirety of the Freudian system. Included is a compilation of major criticisms of the methodology and assumptions of Freudian theory and a comprehensive afterword by the author surveying the relevant literature published between 1989 and 1996.