1. Stephen E. Lucas 2001 All rights reserved.
THIRTEEN
Using Visual Aids
CHAPTER
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Stephen E. Lucas 2001 All rights reserved.

2. Advantages of Visual Aids
Clarity
Interest
Retention
Credibility
Persuasiveness
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Stephen E. Lucas 2001 All rights reserved.

3. Guidelines for Preparing Visual Aids
Prepare visual aids in advance
Keep visual aids simple
Make sure visual aids are large enough
Use fonts that are easy to read
Use a limited number of fonts
Use color effectively
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Stephen E. Lucas 2001 All rights reserved.

4. Tips for Presenting Visual Aids
Avoid using the chalkboard
Display visual aids where listeners can see them
Avoid passing visual aids among the audience
Display visual aids only while discussing them
Talk to your audience, not to your visual aid
Explain visual aids clearly and concisely
Practice with your visual aids
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Stephen E. Lucas 2001 All rights reserved.

5. Stephen E. Lucas 2001 All rights reserved.
Flag of South Korea
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6. Stephen E. Lucas 2001 All rights reserved.
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7. Stephen E. Lucas 2001 All rights reserved.
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8. Stephen E. Lucas 2001 All rights reserved.
Line Graph
TV & home video
Box office
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9. Stephen E. Lucas 2001 All rights reserved.
Pie Chart
1900
2000
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Stephen E. Lucas 2001 All rights reserved.

10. Stephen E. Lucas 2001 All rights reserved.
Bar Graph
Median Household Income
Blacks
Whites
$28,602
$46, 754
Infant Mortality per 1,000 Births
Blacks
Whites
13.7 deaths
6.0 deaths
Unemployment Rate
Blacks
Whites
8.9%
3.9%
College Degrees
Blacks
Whites
14.7%
25.0%
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11. Stephen E. Lucas 2001 All rights reserved.
Chart
Country of Birth Number of
U.S. Residents
Mexico million
Philippines million
China/Taiwan/Hong Kong ,000
Cuba ,000
Canada ,000
El Salvador ,000
Great Britain ,000
Germany ,000
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12. FOR POISONOUS SNAKEBITES
Chart
EMERGENCY TREATMENT
FOR POISONOUS SNAKEBITES
Tie a constricting band 2 to 4 inches above the wound.
Clean the wound with alcohol.
Make two shallow vertical incisions at the puncture points.
Draw the venom from the wound.
Wash the area thoroughly with soap and water.
Apply cold compresses.
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13. Stephen E. Lucas 2001 All rights reserved.
Chart
IMPACT ON
HEARING
DECIBEL
LEVEL
TYPE OF NOISE
Harmful to
Hearing
140
130
120
Firecracker
Jackhammer
Jet Engine
Risk
Hearing
Loss
110
100 90
Rock Concert
Chain Saw
Motorcycle
Loud
but
Safe 80 70 60
Alarm Clock
Busy Traffic
Air Conditioner
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14. Stephen E. Lucas 2001 All rights reserved.
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