Ray, William J., 1945- Methods toward a science of behavior and experience / William J. Ray - 7th ed. - Belmont, CA : Wadsworth/Thomson Learning, 2003 - xxii, 440 p. : ill. ; 25 cm. Includes bibliographical references (p. [426]-435) and index ISBN: 0534538673 (alk. paper) RM369.64 LCCN: 2002-106174 Subjects--Topical Terms: Psychology--Research--MethodologyPsychology, Experimental