The author undertakes a careful and detailed evaluation of the philosophical antecedents of behavioristic psychology. He demonstrates the integral and necessary relationship between the collection of scientific data and the development of theory. The discussion of the nature, structure, logic, and use of theories and models is pertinent to psychoanalytic theory although limited by his behavioristic frame of reference. Turner would not deny consciousness but can 'ignore consciousness and its raw data [as] private… No psychologically feasible method exists for learning a strictly