Edward, Allen Louis. Experimental design in psychological research / by Allen L. Edwa rds - 3rd ed. - New York : Holt, Rinehart and Winston , 1968, repr. 1970. - xix, 455p. : ill. ; 24cm. A Holt international ed. Bibliography: p. 360-365 Subjects--Topical Terms: Psychometrics.Experimental design. Dewey Class. No.: 150.18 EDW