INSTRUCTIONAL TECHNOLOGY 3(2+1)

Lesson 18 : Audio-Visual Aids

Factors influencing in selection of Audio-Visual Aids

Audio-visual aids are used singly or in combination, taking the following factors into consideration

1. The teaching objective: i.e. the type of behaviour change you want to bring about like gaining information or changing attitude or learning some skill.

2. The nature of the subject matter being taught

3. The nature of audience: like age level, educational level, interest, experience, knowledge of the subject, intelligence

4. The nature of audience: eg., Flash card can be used for a small audience only but, motion picture can be used for a large audience

5. Relative cost of the various aids: Effective aids need not necessarily be expensive

• Relative cost of the various aids The teacher’s familiarity with and skill in using the several aids
• Teacher originality and skill in selection, preparation and use of aids



6. The availability: the teacher should make use of indigenous materials, when the teaching aid she/he would like to use is not available