Shaughnessy, John J. <br/><br/>
Research methods in psychology / 
John J Shaughnessy, Eugene B. Zechmeister, Jeanne S.Zechmeister 
 - 9th ed. 
 - New York :  McGraw-Hill Higher Education,  2011 
 - xv, 488 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>9780071086813  RM114.23 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology--Research<br/>Psychology, Experimental