Dick, Walter,    1937- <br/><br/>
Topics in measurement :   reliability and validity /  
by Walter D ick and Nancy Hagerty. 
 - New York :   McGraw-Hill,   [c1971] 
 - vii, 190 p. :    illus., forms. ;    21 cm. 
<br/><br/>Bibliography: p. 181-184. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational tests and measurements.--------
<br/><br/><label>Dewey Class. No.: </label>371.26013