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[0] 2 [Tip] Use powerful images [Don’t] Words should not dominate your slides. This is boring and causes listeners to tune out. Your voice should contain your words. Your slides should not. [Do] 
Use visuals that evoke an emotional response. Students complain about dry presentations. Poor imagery is a big reason why. Ensure images are relevant to the slide’s content; otherwise, they only distract and confuse.
Lisa Nielsen: The Innovative Educator: 10 Do’s and don’ts to using PowerPoint to deliver lectures that don’t suck
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