Visual aids

McGraw-Hill
Stephen E. Lucas 2001 All rights reserved.
CHAPTER
THIRTEEN
Using Visual Aids
McGraw-Hill
Stephen E. Lucas 2001 All rights reserved.
Advantages of Visual Aids
Clarity
Interest
Retention
Credibility
Persuasiveness
McGraw-Hill
Stephen E. Lucas 2001 All rights reserved.
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
McGraw-Hill
Stephen E. Lucas 2001 All rights reserved.
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
McGraw-Hill
Stephen E. Lucas 2001 All rights reserved.
Flag of South Korea
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Stephen E. Lucas 2001 All rights reserved.
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Stephen E. Lucas 2001 All rights reserved.
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Stephen E. Lucas 2001 All rights reserved.
TV & home video
Box office
Line Graph
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Stephen E. Lucas 2001 All rights reserved.
Pie Chart
1900
2000
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Stephen E. Lucas 2001 All rights reserved.

Bar Graph
Blacks
Whites
Median Household Income
$28,602
$46, 754
Blacks
Whites
Infant Mortality per 1,000 Births
13.7 deaths
6.0 deaths
Blacks
Whites
Unemployment Rate
8.9%
3.9%
Blacks
Whites
College Degrees
14.7%
25.0%
McGraw-Hill
Stephen E. Lucas 2001 All rights reserved.
Chart
Country of Birth Number of
U.S. Residents

Mexico 6.7 million
Philippines 1.2 million
China/Taiwan/Hong Kong 816,000
Cuba 797,000
Canada 695,000
El Salvador 650,000
Great Britain 617,000
Germany 598,000
McGraw-Hill
Stephen E. Lucas 2001 All rights reserved.
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.
McGraw-Hill
Stephen E. Lucas 2001 All rights reserved.
Chart
IMPACT ON
HEARING
DECIBEL
LEVEL
TYPE OF NOISE
Harmful
to
Hearing
Risk
Hearing
Loss
Loud
but
Safe
140
130
120
110
100
90
80
70
60
Firecracker
Jackhammer
Jet Engine
Rock Concert
Chain Saw
Motorcycle
Alarm Clock
Busy Traffic
Air Conditioner
McGraw-Hill
Stephen E. Lucas 2001 All rights reserved.