Bad data visualization, one packed with too much text, excessive ornamentation, gaudy colors, and clip art, are redundant at best and useless at their worst. Sometimes called “chart junk,” there is debate among visualization experts if these extra elements serve a purpose.
Researchers from Harvard University and Massachusetts Institute of Technology have found that visualizations are more memorable if they incorporate images of recognizable objects (photographs, people, cartoons, logos). For scientific presentations, unusual types of charts (tree diagrams, network diagrams, and grid matrices) were more memorable than more traditional presentation styles (bar charts, pie charts, scatter plots, etc.). The branching structures may seem more familiar to people. The combination of the familiar and the unique data appears to influence memorability.
Read the full Harvard School of Engineering and Applied Science article HERE.
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