Sax, Gilbert. <br/><br/>
Principles of educational and psychological measurement and evaluation / 
Gilbert Sax with James W. Newton. 
 - 4th ed. 
 - Belmont, CA :  Wadsworth,  1997. 
 - xxiv, 657 p. :  ill. ;  25 cm. 
<br/><br/> Rev. ed. of: Principles of educational and psychological measurement and evaluation. c1989. 
<br/><br/>Includes bibliographical references [p. 627- 640] and index. 
<br/><br/><label>ISBN: </label>053423089X  RM220.10 0534257496  RM409.84 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational tests and measurements--United States.