Sax, Gilbert. <br/><br/>
Principles of Educational and Psychological Measurement and Evaluation / 
Gilbert Sax. 
 - 3rd ed. 
 - Belmont, CA :  Wadsworth Publishing,  1989 
 - 678 p. :  ill. 
<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>LC Class. No.: </label>LB3051  / S267 1989