Cronbach, Lee J. 1916-2001. Essentials of psychological testing. - New York, Harper [1949] - xiii, 475 p. illus. 25 cm. Includes bibliographies. LCCN: 49010562 Subjects--Topical Terms: Psychological tests. LC Class. No.: BF431 / .C75 Dewey Class. No.: 150.287 CRO