Visual aid: model
an object, usually built to scale, that represents another object in detail
Visual aid: photograph
normal sized are generally too small and can be distracting. Must be large enough to see without straining
Visual aid: graph
a visual aid used to show statistical trends and patterns
Pie graph
best for simple distribution patterns
Bar graph
best for comparison among two or more items
Line graph
uses one or more lines to show changes in statisitics over time or space
Bar graph
uses vertical or horizontal bars to show comparisons among two or more items
Charts
especially useful for summarizing large blocks of information OR showing the steps in a process: usually seen in a list form
Transparency
visual aid drawn, written or printed on a sheet of clear acetate and shown on an overhead projector
Multimedia presentation
speech that combines several kinds of visual and/or audio aids in the same talk
Speaker as visual aid
demonstrate an action by showing how it is completed
Guidelines for visual aids
1. prepare them in advance
2. keep them simple
3. make sure they are large enough for the entire audience to see easily
4. use fonts that are easy to read
5. use a limited number of fonts
More visual aid guidelines
1. use color effectively; don't use red and green together
2. contrast print and background colors
3. avoid using the chalkboard (time consuming and less neat)
4. display visual aids where they can be seen
5. avoid passing visual aids among the audience (
Final word on visual aids
1. talk to the audience, NOT the visual aid (keep eye contact)
2. explain visual aids clearly and concisely (the importance needs to be stated)
3. practice