Cozby, Paul C. <br/><br/>
Methods in behavioral research. 

 - 10th ed. 
 - Boston :  McGraw-Hill Higher Education,  2009. 
 - xvii 403 p. :  ill. ;  24 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>9780073370224 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology<br/>Social sciences
<br/><br/><label>National Library of Medicine Call No.: </label>WM 20 CM 2009