analysis of educational productivity  : issues in microanalysis 

 - Cambridge:  Ballinger,  1980 
 - 273p. 
<br/><br/> Includes index 
<br/><br/><br/>eng 
<br/><br/><label>ISBN: </label>0884101916 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational tests measurements-United States <br/>Ability-Testing-Conqresses<br/>Education-Economic aspects
<br/><br/><label>Dewey Class. No.: </label>371.26  / ANA