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Reasons to Use Visual Aids. 1  Improves audience understanding and memory. 2  Serves as notes. 3  Provides clearer organization. 4  Facilitates more eye contact and motion by the speaker. 5  Contributes to speaker credibility.
In other words, get something out of your visual aid; ensure it has some substance. Or donât bother using it. Some tips in the actual use of the visual aid: 1. Practice with the visual aid. Know how to use the overhead projector and how to operate Power Point. 2. Have the visual aid ready to go. Prepare it before you come to class. Creating a visual aid (usually on the board) will detract from eye contact with the audience and usually is of poor quality. 3. Maintain eye contact with audience.