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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.
All projections require projection equipment. b. The focus of a speech should be on the speaker rather than on the presentational aids. c. A speaker should include a presentational aid, even if it's not essential to the speech.