question_answer

The topic 'Depletion of Petroleum and Coal' was taught to sec-A of a class by using multimedia capsule while the other sec-B was taught through diagrams drawn on the green board. It was found later that students of sec-A understood the topic to a better extent. This could be due to the reason that  (CTET Jan 2012)

A) green board is not a good visual aid

B) multiple approach is closer to everyday life situations

C) use of multimedia aids is comparatively more economical

D) audio-visual aids engage all the senses for better retention