Gravetter, Frederick J. <br/><br/>
Research methods for the behavioral sciences / 
Frederick J Gravetter, Lori-Ann B. Forzano 
 - 2nd ed. 
 - Belmont, CA :  Thomson/Wadsworth,  2006 
 - xxiii, 534 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 519-523) and indexes 
<br/><br/><label>ISBN: </label>0534558119  RM354.17 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology--Research--Methodology<br/>Social sciences--Research--Methodology