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

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

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

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

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

Stephen E. Lucas 2001 All rights reserved. Pie Chart 1900 2000 McGraw-Hill Stephen E. Lucas 2001 All rights reserved.

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% McGraw-Hill Stephen E. Lucas 2001 All rights reserved. 8 8 8 8

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. 9 9

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. McGraw-Hill Stephen E. Lucas 2001 All rights reserved. 10 10 10 10

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 McGraw-Hill Stephen E. Lucas 2001 All rights reserved. 9 11 11 11

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