Gekoski, Norman Psychological testing theory, interpretation, and practices. - Springfield, Ill. Thomas [1964] - xiii, 300 p. diagrs. 24 cm. Includes bibliographies. LCCN: 64016092 Subjects--Topical Terms: PsychometricsPsychometricsPsychological Tests LC Class. No.: BF38.5 / .G4 Dewey Class. No.: 151.2