The world is full of pictures, graphs, charts, videos and other media types that improve communication when compared to the mere written word. The scientific world uses a similar but more complex approach. Here, print communication augmented by informative graphics is more powerful and easier to understand than a page full of printed technical information. However, too often authors will confuse things by interweaving groups of concepts into a single graph to show interactions-for example, "if A goes to B then C will change the value of D."
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