Gravetter, Frederick J. Statistics for the behavioral sciences / Frederick J Gravetter, Larry B. Wallnau. - 6th ed. - Belmont, CA : Wadsworth/Thomson Learning, 2003. - xv, 746 p. : ill. (some col.) ; 27 cm. Includes bibliographical references (p. 737-738) and index. ISBN: 0534622038 (intructor's ed.) LCCN: 2003103219 Subjects--Topical Terms: Psychology--Statistical methods.Educational statistics. Dewey Class. No.: 519.502 / GRA