Edwards, Allen L. <br/><br/>
Experimental design in psychological research / 
by Allen L. Edwards 
 - 4th ed. 
 - New York :  Rinehart and Winston,  1971 
 - xvii, 488 p. :  ill. ;  24 cm. 
<br/><br/>Bibliography: p. 403-407 
<br/><br/><label>ISBN: </label>0030862140 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Experimental design<br/>Psychometrics<br/>Psychology--Research