Information and Communication Technology

7.1.2 Significance of AV Aids

Research and experience have shown that audio visual techniques can significantly increase and reinforce learning. Not only do they add interest to a presentation, but by engaging more than one of the senses, they also facilitate listening and remembering. A good teaching makes the learner to understand the subject taught. The extent of understanding depends upon the meeting of the minds between the teacher and learners. Audio visuals and visuals are effectively bringing about a meeting of minds. Meeting of minds will lead to increase the mental intake of the message communicated. Visual aids will not automatically increase teaching effectiveness however, they must be carefully designed to support a lesson and to suit a particular audience and situation. The planning and preparation of such aids requires time, thought and imagination.

Advantages of Audio-Visual Aids

· Capture audience attention and arouse the ir interest

· Highlight main points of the message clearly

· The possibility of misinterpreting concepts is reduced

· Structure the learning process more effectively

· Messages perceived with several senses are understood and retained better

· Help to reach more peo ple irrespective of their level of literacy and language

· speed up the process of learning

· can adapt the speed of presentation to the reactions of the audience

· Save time of teacher and learner