Principles of educational and psychological measurement :  a book of selected readings / 
edited by William A. Mehrens, Robert L. Ebel. 
 - Chicago :  Rand McNally & Co.,  c1967. 
 - ix, 438 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p.425-426) and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational tests and measurements.<br/>Psychometrics.
<br/><br/><label>Dewey Class. No.: </label>150.15195