Personality and Psychotherapy: An Analysis in Terms of Learning, Thinking and Culture: By John Dollard and Neal E. Miller. Institute of Human Relations, Yale University. (New York: McGraw-Hill Book Co. Inc., 1950. Pp. 488. 55 s. 6 d.)

Attempts during the last decade to reformulate psycho-analytical findings in propositions acceptable to experimental psychology showed promise that such reformulation might be most successful where concepts of learning theory were used. Psycho-analysts and psychologists both have grown to expect much from the 'multi-disciplinary approach', and one's expectations are therefore high when something like a text-book on the subject appears from the Yale Institute of Human Relations. This is a substantial, ambitious, provocative book (dedicated to 'Freud and Pavlov and their students') which the authors claim to have written from a 'joint Freudian-Behavioural approach' believed by them to be 'essential to the understanding of human social behaviour …'. Their aim has been '… to aid in the creation of a general science of human behaviour' by formulating '… a set of assumptions about human nature and personality which could be accepted by all the social sciences and humanities'. These result from 'a combination of three great disciplines—psycho-analysis, experimental psychology and sociology—into an integrated point of view'. The authors originally set out to write a book on psychotherapy, formulating in behaviour theory and culture concepts what is done