Sax, Gilbert. <br/><br/>
Principles of educational and psychological measurement and evaluation / 
Gilbert Sax. 
 - 3rd ed. 
 - Belmont, Calif. :  Wadsworth Pub. Co.,  c1989. 
 - xix, 678 p. :  ill. ;  25 cm. 
 - 371.2/6/0973 .
<br/><br/> Includes indexes. 
<br/><br/>Bibliography: p. 649-659. 
<br/><br/><label>ISBN: </label>0534099785 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational tests and measurements--United States.
<br/><br/><label>Dewey Class. No.: </label>371.2/6/0973