Visual aids
They provide a useful complement to most presentations for they:
1. can be used to reinforce what is being said;
2. can help maintain audience interest and concentration;
3. can be used to illustrate concepts that are difficult to explain; and
4. are useful prompt for the presenter.
When preparing visual aids
1. make sure the slides are not too clustered; use large fonts (24 points recommended)
2. include a maximum of seven points per slide
3. make use of diagrams or graphics where possible, rather than using a lot of text
4. if using diagrams or graphs, keep them simple and uncluttered
5. use colour but sparingly and appropriately (not more than 3-4 different colours on the one slide). Choose foreground/background colour combinations that allow any text to be easily read by the audience
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