Factors influencing the selection of audio visual aids
- Slides: 16
Factors influencing the selection of audio visual aids v Audio-visual aids are used singly or in combination
Factors 1. 2. The teaching objective - the type of behaviour change - gaining information or changing attitudes, or learning some skill. The nature of subject matter taught.
Factors contd… 3. The nature of audience - age, educational, interest, experience, knowledge level on the subject, intelligence, etc. 4. The size of audience - for instance flash cards - used for small audience; motion picture for larger audience.
Factors contd… 5. Relative cost of the various aidseffective aids need not necessarily be expensive. 6. The extension worker's familiarityskill in using the several aids, his originality, skill in selection, preparation and use of aids.
Factors contd… 7. The availability - effective extension worker makes use of indigenous materials, when the teaching aid he would like to use is not available.
Effective use of audio visual aids 1. 2. 3. 4. PLANNING PREPARATION PRESENTATION EVALUATION
Planning 1. 2. 3. Know clearly the objective of the presentation. Plan well in advance, this helps anticipate problems and avoid them. Anticipate the size of audience and make sure that aids are visible and audible to the entire audience.
Planning contd… 4. Plan for the use of variety of colourful visual aids - it help change the pace of presentation - help hold audience interest. 5. Determine the appropriate timing for the presentation.
Preparation 1. 2. Prepare by rehearsing or previewing in order to make a smooth presentation. Select convenient and comfortable meeting place as possible, with acoustic and seating arrangements suited to the specific audience.
Preparation contd… 3. Anticipate need for special lighting or total darkness and be prepared to provide either, at the right time. 4. Make sure that all equipment is in good working order before starting the meeting.
Preparation contd… 5. Arrange the audio visual aids in sequence and have them within easy reach. 6. Keep aids out of sight until actually required for use.
PRESENTATION 1. 2. Motivate the audience and stress the key points they should observe during the presentation. Present aids at the right movement and in proper sequence.
Presentation contd… 3. Display only one aid at the time. 4. Remove all the unrelated materials. 5. Sand beside the aid, not in front of it. 6. Speak facing the audience and not the aids.
EVALUATION 1. 2. In the end, evaluate by providing for discussion to discover misunderstanding if any. Undertake fallow-up studies and observe results.
DISADVANTAGE OF AV AIDS 1. 2. Learners may sometimes form mistaken or distorted impressions, unless audio-visual are supplemented with required explanations. Temptation for EW to narrow down his teaching to only a few ideas, not giving the complete picture - subject.
DISADVANTAGE OF AV AIDS contd… 3. Some extension workers acquire the mistaken idea that they have little to do when AV aids are used.
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