Public Speaking

170 CHAPTER 13^ Presentation Aids

effectively use sounds other than music. Before her speech on whales, for instance, Mary

Beth played a recording of a whale song and asked her listeners to identify the source of

the sound.

Video Resources

The Internet has endless video resources, including clips from television shows,

feature films, advertisements, and home videos. By carefully selecting short segments

to illustrate your points, you can clarify ideas dramatically and memorably, as these

examples demonstrate:

•   Lisa made the Guinness World Records for being part of the largest tap dancing group

ever assembled at one time for a performance. As she explained ways to get listed

in the famous record book, she used a 15-second video clip that her mother had

recorded.

Public

transportation

Other

Carpool

Drive alone

$0 $10

High school

diploma

Some

college

BA/BS+

$20 $30

Men

$40 $50

Women

2000 $60

Year

2005 2010 2015

$20

$30

$40

$ in billions

A $ in thousands

C D

B

T-Shirts Sold

5 10 T-shirts

Monday

Tuesday

Wednesday

Thursday

Friday

Figure 13.3

Graphs Four major types include (a) a line graph, (b) a bar graph, (c) a pie graph, and

(d) a pictograph.

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