Graph designers often try to put too much information in one plot resulting in confusing plots that are difficult to read. Trellis plots often provide the solution to displaying the data clearly.

Thanks to their visual simplicity, bar graphs are popular tools for representing data. But do we really understand how to read them? New research has found that bar graphs are frequently ...

Literature about graphs includes many discussions about whether zero needs to be included on all scales. We demonstrate that a graph designer can mislead just as much by changing the aspect ratio ...

Sometimes bar graphs represent an average not a total count, which is trickier to understand. And because bar graphs are everywhere, psychologists from Wellesley College wanted to determine how well ...