3.1. Do Visuals Make a Difference?
In training, it is customary to use words—either in printed or spoken form—as the main vehicle for conveying information. Words are quick and inexpensive to produce. The question is whether there is any return on investment for supplementing words with pictures—either static graphics such as drawings or photos, or dynamic graphics such as animation or video. In particular, do people learn more deeply from words and graphics than from words alone? This is the issue we want to explore with you in this chapter.
MULTIMEDIA PRINCIPLE
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