Ray, William J. <br/><br/>Methods toward a science of behavior and experience / William J. Ray.   -- 9th ed.  -- USA:  Wadsworth Cengage Learning.,  2009.  <br/>v, 454 p. ;  col. ill.  24 cm.  <br/><br/> Includes bibliographical references and index.  <br/><br/><label>ISBN: </label>9780495594963 <br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology -- Research -- Methodology. <br/>Psychology, Experimental. <br/>Research Design. <br/><br/><label>Dewey Class. No.: </label>Res 150.724 R211 2009