Ferguson, George Andrew,  <br/><br/>
Statistical analysis in psychology & education / 
by George A. Ferguson. 
 - Third edition. 
 - New York :  McGraw-Hill,   1971. 
 - xii, 492 p. :  illus. ;  24 cm. 
<br/><br/>Bibliography: p. 479-483. 
<br/><br/><label>ISBN: </label>0070205051 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics.<br/>Psychometrics.<br/>Educational tests and measurements.