Christensen, Larry  B <br/><br/>
Experimental Methodology/ 
Larry B. Cristensen. 
 - 6th ed. xiv,561 p. :  ill. ;  25cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0205155065 (hbk) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology, Experimental.