1. A SPEAKER’S GUIDEBOOK 4TH EDITION CHAPTER 20
Using Presentation Aids

2. Presentation Aids
“A picture is worth a thousand words” if it is appropriate to the topic, the audience, and the occasion.
Objects, models, PowerPoint slideshows, video clips, and audio clips are all types of presentation aids.
Presentation aids must complement the purpose of the speech.

3. Functions of Presentation Aids
Helps audience process information
Helps audience retain important information
Promotes and maintains interest in the speech topic
Conveys information concisely
Improves speaker credibility

4. Types of Presentation Aids
A prop is any live or inanimate object that illustrates key points.
In contrast, a model is a 3-D scale representation of an object.
Pictures, diagrams, maps, charts, and graphs can all be displayed on a slide show or poster.
Audio and video tools add an extra dimension to your speech.
Posters, transparencies, and chalk/expo boards can be used to display your 2-D images.

5. Using Props Effectively
Choose props that reinforce key points.
Humorous objects may undermine speaker credibility.
Make sure prop can be seen by audience.
Move the prop slowly.
Keep the prop hidden until needed.
Put the prop away when finished showing it.
Practice your speech with the prop.

6. Discussion a PowerPoint slideshow as a
Is it better to use a poster or to create
a PowerPoint slideshow as a
presentation aid for your speech?

7. Diagrams and Maps
A diagram or schematic drawing demonstrates how something works or is constructed.
A map illustrates the layout of a geographic region or the spatial relationship between locations.

8. Types of Graphs
A graph represents numerical data in visual form. Types of graphs commonly used are:
Line graph
Vertical Bar graph
Horizontal Bar graph
Pictogram
Pie chart

9. Tips for Creating Graphs
Label all parts of your graph appropriately.
Start numerical lines at zero.
Compare only like variables.
Limit the amount of data on a graph.
Have a clear title and key.
Use color to distinguish different parts.
Restrict the number of slices in a pie graph.
Identify values clearly.

10. Types of Charts
A chart visually organizes complex information into compact form. Different types of charts are:
Flowcharts
Organizational charts
Tables

11. Question A. Line graph B. Flow chart C. Table D. Bar graph
Which type of chart or graph is best to use to represent trends over time?
A. Line graph
B. Flow chart
C. Table
D. Bar graph
E. Pictogram

12. Question
Which type of chart or graph is best to use to show percentages of a whole?
A. Bar graph
B. Flow chart
C. Pie chart
D. Line graph
E. Table

13. Handouts
Handouts are useful when the audience needs to keep information for later. Be sure to wait to distribute the handout after the speech ends.
They are best used when the speakers want the audience to read or write on it during the speech.
Too many handouts reduce their effectiveness and can be boring for the audience.
Printing out the entire PowerPoint slideshow is not necessary and can be distracting to the listeners.

14. Chapter 20 Key Terms for Review
presentation aids
prop
model
pictures
diagram
graph
line graph
bar graph
pie graph
pictogram
chart
flowchart
organizational chart
table
audio clip
video
multimedia
overhead transparency
LCD display technology
flip chart
handout