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Audio visual aids

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Audio visual aids

  1. 1. IntroductIon Initially the origin of teaching aids is from physical sciences and engineering. Teaching Aids are devices presenting units of knowledge through auditory or visual stimuli or both with a view to help learning. They concretize the knowledge to be presented and help in making a learning experience real, living and vital. They supplement the work of a teacher and help in the study of text books. The use of audio-visual aids has mechanized the education and teaching learning process. B.F. Skinner comments that our kitchens are more mechanized than education. This statement seems to be true even in our country. The Great Educationist: Comenius has well said “The foundation of all learning consists in representing clearly to the senses, sensible objects so that they can be appreciated easily.” objectIves 1. To supplement the spoken word : Only verbal descriptions do not help to bring the facts home to the pupils. The teacher must take the help of teaching aids to supplement and explain the spoken word. 2. To make the subject real, vivid, interesting and life like: The use of teaching aids can add zest, interest and vitality to any teaching learning situation. 3. To Develop Concepts, improve attitudes and Extend Appreciation and Interests: The use of teaching aids will lead to the development of proper concepts, improvement of attitudes and extension of appreciation and interests.
  2. 2. CharaCteristiCs of audio Visual-aids The following are the main characteristics: 1. It helps in developing the perception of the learner. 2. It aids in positive transfer of learning and training. 3. It facilitates in understanding and comprehension. 4. It provides reinforcement to the learners. 5. It increases the retention of the learners. These are the generalized statements about the audio-visual aids, but the teacher has to take decision in selecting appropriate audio-visual aids on the basis of students-level and objectives of learning. type of audio-Visual aids Initially the origin of teaching aids is from physical sciences and engineering. The use of audio-visual aids has mechanized the education and teaching learning process. The audio-visual aids are classified into three categories: 1. Audio-teaching aids 2. Visual teaching aids, and 3. Audio-visual aids 1. Audio Teaching Aids: This type of teaching aids facilitate audio senses and encourage the listening function. The audio sense is more active by the use of such teaching aids. The audio sense is active in lecture and question-answer strategies. The use of tape-recorder, radio, record player and gramophone make the learner more active and
  3. 3. attentive in teaching process. The students take more interest when lesson is displayed with the help of such teaching aids. These aids produce only sounds. 2. Visual Teaching Aids: These teaching aids facilitate the visual sense and encourages the sensing function. The visual sense is more active by the use of such aids. This sense is more active when teacher uses pictures, maps, graphs, models and line-drawing in his teaching activities. No teaching can be possible without the use of such teaching aids. The visual teaching aids play a significant role in teaching: geography, physics, chemistry, biology and economics etc. The geography content cannot be taught without the use of maps and globe. The visual aids are most useful and economical than audio-aids. 3. Audio-Visual Teaching Aids: These teaching aids are used to facilitate both audio and visual senses and encourage listening and observing functions. Thus, these aids involve more than one sense simultaneously and learner is more active. This is most effective and useful that earlier aids. The learning structure can be generated more easily and comprehensively. These aids develop the perception of the learner which is the basis for the understanding of any concept. Televisions, films and radio tapes are the examples of auto-visual aid. These are costly and rarely used in teaching learning situation. adVantages of audio-Visual aids The following are the advantages of audio-visual aids: 1. Provision of Sensory Experience: Learning requires an adequate background of sensory experience. New words and unfamiliar objects cannot be followed and understood properly unless they are attached to specific elements of one’s experience.
  4. 4. 2. Provision of Substitutes for Direct Experiences: Audio – Visual materials will come to our aid at that time to facilitate understanding of new concepts, facts and symbols. Pictures, models and specimens etc may be used as accurate and effective substitutes of direct learning experiences. 3. Supplement to Direct Experience: Direct experiences can very well be supplemented with audio-visual aids by vicarious or representative learning. Visiting a post office or a cotton textile mill, pupils can learn more about the postal system and about the manufacture of cloth if these direct learning experiences are followed by seeing a film or motion picture on the subject. 4. Important Motivators: Audio-visual aids are important motivators. They possess vividness, clarity and dramatic appeal. Children enjoy looking at pictures, going to movies and listening to radio. These are the effective medium of holding the attention and to simulating new interests and activities among children. 5. Effective Aid to the Slow Learner: Audio-visual aids are particularly helpful to poor readers and slow learners who cannot get all the required knowledge from the text books. They can more easily understand and remember the facts, gained through pictures, movies, models and radio etc. than gathered from abstract symbols and printed pages. 6. More Efficient Learning: With the proper use of audio-visual aids, pupils not only learn more rapidly but they also remember the facts, thus learned, for longer period. 7. Development of the Power of Imagination and Observation: Audio-visual aids provide sensory images much more clear and effective than the verbal images. It makes learning more natural and easy.
  5. 5. Classification of Audio – Visual Aids Instructional Media Audio 1. Tape Recorder. 2. Record Player. 3. Radio Visual Audio – Visual 1. Films 2. T.V. 3. Computer Non-projected/written 1. Pictures 2. Charts 3. Graphs 4. Maps 5. Globe 6. Chalk Board 7. Flannel Board 8. Bulletin Board Projected 1.Slides(Slide Projectors) 2.FilmStrip(Film Projector) 3. Epidiascope 4. Overhead Projector
  6. 6. The effecTive use of insTrucTional aids Before using any instructional aid, we must know: 1. What are our specific and general objectives? 2. Why have we chosen it? 3. Does it give a true, correct and accurate impression of the thing it represents? 4. Is it appropriate for the age, intelligence and experience of the learners? 5. Does it advance the lesson any further? 6. Is its physical condition satisfactory? 7. Is it worth the time, expense and effort involved? 8. Have we taken into account those students who are physically handicapped (defective in seeing and hearing)? 9. Specifically how do we proceed i.e. at what point shall be used the aid, in what manner, and how many time. In short, we may say that we should have the right aid for right time and in right quantity.

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