Welkowitz, Joan. <br/><br/>
Introductory statistics for the behavioral sciences / 
Joan Welkowitz, Robert B. Ewen, Jacob Cohen. 
 - 2d ed. 
 - New York :  Academic Press,  c1976. 
 - xix, 316 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0127432604 
<br/><br/><label>LCCN: </label>75041491  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychometrics.
<br/><br/><label>LC Class. No.: </label>BF39  / .W44 1976 
<br/><br/><label>Dewey Class. No.: </label>150.151 95 WEL