1250 The information requires being of high quality. Using audio-visuals aids in presentations requires that there is a simple use of drawings and visuals need to be to scale. Also, there should be god use of color and pictures, and the information provided in the presentation should be able to meet up to the amount a human brain can grasp at a time. Also, there should be selective use of effect and it is essential that presenters use effects which are not too jarring. Also, it is essential to avoid the ‘noise’, i.e. the unnecessary information that comes along with the message. Thus an effective use of visual aids is when there is not over usage of the effects and the presentation is with useful and relevant information which is what the audience needs.