Some guides to the understanding of the history of psychology / Richard S. Crutchfield and David Krech -- Critical localization of function / David Krech -- The mechanisms of hunger and thirst / Mark R. Rosenzweig -- The inheritance of behavior / Gerald E. McClearn -- Nativism and empiricism in perception / Julian E. Hochberg -- Rewards and punishments in human learning / Leo Postman -- Memory for form / Donald A. Riley -- The nature and measurement of intelligence / Read D. Tuddenham -- Clinical versus statistical prediction in psychology / Harrison G. Gough -- The sucking behavior of mammals: an illustration of the nature-nurture question / John P. McKee and Marjorie P. Honzik -- Repression / Donald W. MacKinnon and William F. Dukes -- Attempts to understand hypnotic phenomena / Theodore R. Sarbin