Glass, Gene V., 1940- Statistical methods in education and psychology / Gene V. Glass and Kenneth D. Hopkins. - 3rd ed. - Boston : Allyn and Bacon, c1996. - xiv, 674 p. : ill. ; 25 cm. Includes bibliographical references (p. 651-664) and indexes. ISBN: 0205142125 Subjects--Topical Terms: Educational statistics.Psychometrics. Dewey Class. No.: 519 / GLS 1996