Glass, Gene V., 1940- Statistical methods in education and psychology / by Gene V. Glass, Julian C. Stanley - Englewood Cliffs, N. J. : Prentice-Hall, 1970 - xii, 596 p. : ill. ; 24 cm. Includes bibliographical references (p. 572-585) and index. ISBN: 138449287 Subjects--Topical Terms: Educational statistics.Psychometrics.