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The Status of Audio-Visual Instruction 9
Similar extension courses are being offered by university, college, and other teacher preparation institutions throughout the United States.
The proper use of audio-visual aids is receiving more and more attention from the educational leaders and leading educational organizations. Many of the state teachers' associations have audio-visual or visual instruction sections which meet concurrently with other sections of the associations. Many of the history, science, and geography sections of state and local teachers' associations include demonstrations of audio-visual materials and equipment on their programs. Several of the leading national educational magazines and some official publications of state teachers' associations are devoting space to the problems and practice of audio-visual instruction. These tend to encourage intelligent consideration of materials which have been found to be effective in teaching.
The Use of Audio-Visual Aids in Industry
The majority of the more common visual aids now in regular use among schools were first applied to the training problems of industry. Industrial groups, in many instances, were composed of curious mixtures of American and foreign-born workers. Many could not understand the printed word, especially if in English. It became necessary, therefore, to devise ways and means of teaching safety, cleanliness, co-operation, and the intricacies of the individual duties. Pictures were found to be of great value, inasmuch as all could understand the pictured message.
Exhibits, slides, charts, posters, silent and sound fihnslides, and motion pictures have become important tools in the inner and outer relationships of the more prominent industries. The General Electric Company, for example, has a very complete assortment of glass slides, filmslides, and motion pictures of practically all phases of the electrical industry, as well as the application of electrical devices to other industrial fields. These are used for technical instruction, sales promotion, public relations, and very extensively for instructional use in educational groups of all kinds — in and out of school.
The Ford Motor Company uses motion pictures of the national parks and other scenic areas to encourage travel, and has produced many films for general educational use. General Motors, Chrysler, RCA, and literally dozens of other large and small industries use motion pictures, filmslides, and exhibits for sales training and general promotion.
The Bureau of Mines, United States Department of the Interior, has a large group of motion pictures of the mineral industries, which are