Stacey wants to give a speech about how the human heart works. She will be speaking to an audience of about 500 people. Which of the following visual aids would be least effective? a) a life sized model

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asked Jan 20, 2021 32.9k views

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Stacey wants to give a speech about how the human heart works. She will be speaking to an audience of about 500 people. Which of the following visual aids would be least effective?

a) a life sized model heart placed on a table in front of the audience
b) a short animated video clip
c) a series of pictures in a Power Point presentation
d) a diagram projected on a screen by the document camera