3DUnnecessarily expanding 2D information into a 3D visualization.
Textures & GradientsUsing distracting textures and gradients as opposed to solid colors.
Illustrations as DataIllustrations of different sizes to represent data as opposed to a standard representation such as a line graph. For example, a graph that displays different sizes of dollar bill to represent costs.
BackgroundsBackground illustrations or photographs that distract from data elements.
Colors as DataUsing a complex color scheme other than a heatmap to convey data without numbers.
Two in OneAttempting to put two or more charts into one such that comprehension is unnecessarily difficult and error prone.
Additional InformationIncluding non-essential information into a chart such as interesting facts.
ConventionsDisregarding data visualization conventions. For example, a bar chart with tilted or inverted bars.
Unnecessary information and decorations that make a data visualization more difficult to comprehend with speed and accuracy.