1. McGraw-Hill©Stephen E. Lucas 2001 All rights reserved. CHAPTER THIRTEEN Using Visual Aids

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

3. 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

4. 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

5. McGraw-Hill©Stephen E. Lucas 2001 All rights reserved. Flag of South Korea

6. McGraw-Hill©Stephen E. Lucas 2001 All rights reserved.

7. McGraw-Hill©Stephen E. Lucas 2001 All rights reserved.

8. McGraw-Hill©Stephen E. Lucas 2001 All rights reserved. TV & home video Box office Line Graph

9. McGraw-Hill©Stephen E. Lucas 2001 All rights reserved. Pie Chart 19002000

10. McGraw-Hill©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%

11. 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

12. McGraw-Hill©Stephen E. Lucas 2001 All rights reserved. Chart EMERGENCY TREATMENT FOR POISONOUS SNAKEBITES 1.Tie a constricting band 2 to 4 inches above the wound. 2.Clean the wound with alcohol. 3.Make two shallow vertical incisions at the puncture points. 4.Draw the venom from the wound. 5.Wash the area thoroughly with soap and water. 6.Apply cold compresses.

13. 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

14. McGraw-Hill©Stephen E. Lucas 2001 All rights reserved.