Show 20 itself most profoundly in many experimental schools which were estab- lished at the beginning of the twentieth century utilized which extensively curriculum were the School Dewey numerous Two of these schools materials within the audio-visu- al Laboratory School and the Francis The Oswego movement also reflected the Parker W of ” object-teachin- g” Pestalozzi and others Prior to i 1940 audio-visu- al materials were still glected and often considered an expensive luxury or fad When Research in audio-visu- al One years - in- materials began to be intensively utilized audio-visu- al post-w- ar ne- the war rapid effective training for both the armed forces and demanded dustry generally education received new impetus in the important method by which an experiment gave in- sight into the effectiveness of films in education was the Classroom Communicator developed by the Instructional Film Research Program at Term State College toward a more Today methods This experiment plus many scientific production of educational films educators are looking forward to new techniques in the learning experience of people visual materials Education may others pointed the and equipment has not way and The use of modern audio- yet reached its potential look ahead to even greater attainments in their use |