The new media and education :  their impact on society / 
edited by Peter H. Rossi and Bruce J. Biddle. With contributions by Neal Balanoff ... [et al.]. 
 - Chicago :  Aldine Publishing Company,  1966. 
 - ix, 417 p. ;  23 cm. 
 - National Opinion Research Center. Monographs in social research ;  9 .
<br/><br/>p. 382-408. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teaching--Aids and devices.