They tend to irritate a group if used too much, and they should not be used at all with a group larger than 40 people. Indirect light is the most effective way to illuminate the room for participants to take notes. Overhead projectors are very useful for all audiences, small or large, but they tend to be impersonal or distant. Try to keep visuals exciting and friendly. New multimedia technology is continually being introduced into the training environment.
Desktop video can assist trainers in creating quality videos.
This is accomplished by incorporating full motion video images, sound and screen changes into a format that fits the user's curriculum. Almost all the new software is formatted on CD-ROM and works with the previously mentioned media to coordinate a full blown multimedia presentation. Videotapes are the most popular method of training for U.S. corporations, used 89 percent of the time. Films and slides accompany a lesson about 50 percent of the time. Problems associated with these types of visual displays arise if the audience is tired and its attention level is low, causing the participants to fall asleep or day dream.