Jackson, Sherri L.,  1962- <br/><br/>
Research methods and statistics :  a critical thinking approach / 
Sherri L. Jackson. 
 - 4th ed. 
 - Belmont, CA :  Wadsworth Cengage Learning,  2012. 
 - xviii, 510 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 495-497) and index. 
<br/><br/><label>ISBN: </label>9781111346553 (hbk.)  RM565.28 1111346550 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology--Research--Methodology.<br/>Psychometrics.<br/>Psychology--Research--Methodology.<br/>Psychometrics.