Many business and professional presenters use overhead transparencies
in training sessions, presentations or meetings. Of all the
written advice on the effective use of overheads, the following
is what I found to be the most useful. Here are a few simple
tricks to help you use them more effectively.
Using overheads in your presentations, enable you to free yourself
from notes by having key points listed on the frame of the overhead.
This allows you to maintain greater eye contact with your audience.
In this way, you are able to assess how they are receiving your
material.
Presenters often point at the overhead screen when drawing
attention to specific material. As a result, they may lose eye
contact with the group and make it difficult for participants
to hear what is being said. Therefore, try using a pen, stir
stick, or other slim object and place it on the transparency
so that it points to the area of reference.
Rather than reveal a line at a time on a crowded overhead simply
put the information on a separate transparency.
Guidelines that make overheads easier to read:
- Use simple fonts. - Romans, Arial, etc. with minimum font
size at 18 pts.
- Stick to six lines per page and six words per line.
- Space text lines at least 1.5 times.
- Make pictures and diagrams large enough to see from the
back of your audience.
- Keep the number of colors per slide to 3 (unless a graphic
is used).
- Use red text only for key words.
When creating overheads, ensure that the acetate you use is
specific for the copier or printer type! If you use the wrong
type it can melt and cause damage to your equipment.
Use overheads sparingly, as they can become very monotonous.
Usually, one visual aid (overhead, flipchart, slides, white
board illustration) for every two to three minutes of presentation.
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