Stangor, Charles. <br/><br/>
Research methods for the behavioral sciences / 
Charles Stangor. 
 - 4th ed. 
 - Belmont, CA :  Wadsworth Cengage Learning,  2011. 
 - xxi, 442 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 429-435) and index. 
<br/><br/><label>ISBN: </label>9780840031976 (pbk.)  RM451.58 0840031971 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology--Research--Methodology.<br/>Social sciences--Research--Methodology.