Sax, Gilbert. <br/><br/>
Principles of educational and psychological measurement and evaluation / 
Gilbert Sax. 
 - 2d ed. 
 - Belmont, Calif. :  Wadsworth Pub. Co.,  c1980. 
 - xv, 688 p. :  ill. ;  24 cm. 
<br/><br/>Includes Bibliography  and  index. 
<br/><br/><label>ISBN: </label>0534008321 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational tests and measurements--United States.
<br/><br/><label>Dewey Class. No.: </label>371.26  / SAP 1980