Welkowitz, Joan <br/><br/>
Introductory statistics for the behavioral sciences / 
Joan Welkowitz, Robert B. Ewen, Jacob Cohen 
 - 2d ed. 
 - New York : b Academic Press,  1976 
 - xix, 316 p. :  ill. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0127432604 
<br/><br/><label>LCCN: </label>75-41491 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychometrics