Gravetter, Frederick J. Statistics for the behavioral sciences / Frederick J Gravetter, Larry B. Wallnau. - 6th ed. - Belmont, CA : Wadsworth/Thomson Learning, c2004. - xv, 746 p. : ill. (some col.) ; 27 cm. Includes bibliographical references (p. 737-738) and index. ISBN: 0534602460 (student ed.) 0534622038 (intructor's ed.) LCCN: 2003103219 Subjects--Topical Terms: Psychology--Statistical methods.Educational statistics. LC Class. No.: BF39 / .G72 2003 Dewey Class. No.: 519.5 / GRA-S 2004 802039