Purpose of supporting material
clarify ideas
prove ideas
gain the interest of the audience
types of supporting materials
explanations
comparison
illustrations
examples
statistics (used as proof or clarification)
expert opinion (used as proof or clarification)
When should you orally cite sources?
anytime you use information that is not original with you
Benefits of using Visuals
Visuals Aids improve Memory
Speed Comprehension
Adds to speakers credibility
Types of visuals Aids
Video and Audio
Electronic and multimedia Aids (ex. PowerPoint)
Whiteboards
Objects, Models, and Handouts
What are the General Design Prinicples
Contrast
Repetition
Alignment
Proximity (what is related should be closer)