Research methods in psychology 
Shaughnessy, John J., 1947- 
 - 4th ed. 
 -  McGraw-Hill,  1997 
 - xvii, 524 p. 
<br/><br/>
<br/><br/><label>ISBN: </label>0-07-057272-0 (alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology, Experimental.
<br/><br/><label>Dewey Class. No.: </label>GS 150.72 Sh2r 1997