Research methods in psychology / 
edited by Glynis M. Breakwell, Jonathan A. Smith and Daniel B. Wright. 
 - 4th ed. 
 - Los Angeles :  Sage,  2012. 
 - xii, 602 p. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780857022646 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology--Methodology.<br/>Psychology--Research.
<br/><br/><label>LC Class. No.: </label>BF76.5  / .R466