Ray, William J <br/><br/>
Methods toward a science of behavior and experience 
William J. Ray 
 - 9th ed 
 - Belmont, CA  Wadsworth Cengage Learning  c2009 
 - xxii, 454 p. : ill. ; 24 cm 
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780495594918 
<br/><br/><label>ISSN: </label>2007939790 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology - Research - Methodology<br/>Psychology, Experimental
<br/><br/><label>Dewey Class. No.: </label>150.72 RAY