The effectiveness of an audio-visual presentation can fail if the materials are mishandled. Therefore...? Mcqs

The effectiveness of an audio-visual presentation can fail if the materials are mishandled. Therefore...?

(A) The aids should have specific value besides being interesting and motivating

(B) They should be true and accurate

(C) Proper care is to be taken for minimizing such occurrences

(D) They should suit the age-level of the learners