Resumen
This article discusses the role of motion pictures and radio in effecting the educational technology standards. The motion picture as an aid to teaching began to attract attention early, but the expense, the lack of suitable films, and an efficient manner of using them long prevented their introduction into schools. The matter of expense has become less burden- some by the development in recent years of a standard narrow (16mm) film that produces pictures large enough for class use at a greatly reduced cost and can be shown by means of a portable projector and without fire hazard." The use of film in the classroom has not progressed at the rate the authors of the 1936 textbook had imagined but certainly the moving picture as presented on television has become a dominant force in "educating" society. Companies producing educational material or courseware may have company-specific standards for how courseware is produced, what learning models are assumed, how information is formatted on the computer