Wert, James Edwin. <br/><br/>
Statistical methods in educational and psychological research 
by James E. Wert, Charles O. Neidt [and] J. Stanley Ahmann. 
 - New York  Appleton-Century-Crofts  [1954] 
 - 435 p.  illus.  25 cm. 
<br/><br/><label>LCCN: </label>54005149  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics<br/>Psychological research.<br/>Education--Research.
<br/><br/><label>LC Class. No.: </label>HA29  / .W45