The various theories of personality are 'brought into order' (says the blurb) and arranged under three heads: trait theories, environmental theories, and interaction theories. Psychoanalysts will be interested to hear that they have at times been contented with standards of evidence that would hardly have satisfied anyone more critical 'than a palmist or a teacup reader'. It is also the author's opinion that if Freud 'had been more fussy about his evidence, more insistent on the objectivity of his results, the whole enterprise