Christensen, Larry B.,  1941- <br/><br/>
Experimental methodology / 
Larry B. Christensen. 
 - 7th ed. 
 - Boston :  Allyn and Bacon,  c1997. 
 - xiv, 590 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references (p. 555-579) and index. 
<br/><br/><label>ISBN: </label>0205263658 
<br/><br/><label>LCCN: </label>96009207  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology, Experimental.<br/>Psychology--Experiments.<br/>Experimental design.
<br/><br/><label>LC Class. No.: </label>BF181  / .C48 1997 
<br/><br/><label>Dewey Class. No.: </label>150/.724