Thorndike, Robert L. Measurement and evaluation in psychology and education [by] Robert L. Thorndike [and] Elizabeth Hagen. - 2d ed. - New York, Wiley [1961] - 602 p. illus. 24 cm. Subjects--Topical Terms: Educational tests and measurements.Behaviour--Measurement Dewey Class. No.: 151.2 / THO N61M