Rosenthal, Robert. <br/><br/>
Essentials of behavioral research :  methods and data analysis / 
Robert Rosenthal and Ralph L. Rosnow. 
 - 3rd ed. 
 - Boston :  McGraw-Hill,  c2008. 
 - xxi, 842 p. :  ill. ;  24 cm. 
<br/><br/> Includes indexes. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0073531960 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology--Research--Methodology.