Cunningham, Bess V. <br/><br/>
The prognostic value of a primary group test :  a study of intelligence and relative achievement in the first grade / 
by Bess V. Cunningham 
 - New York :  AMS Press,  1972 
 - x, 54 p. :  ill. ;  22 cm. 
<br/><br/>p. 53-54 
<br/><br/><label>ISBN: </label>0404551394 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mental tests<br/>Prediction of scholastic success