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 misunderstood ...

A new study suggests that the format in which graphs are presented may be biasing people into being too optimistic or pessimistic about the trends the graphs display. Academics found that when people ...

The graph shows the percentage of the US adult population -- both as a whole and by ethnic/racial subgroup -- with diabetes (blue bars) and the percentage who have diabetes that has not been diagnosed ...

TV news is a primary source for political information, but this chart shows how media preferences vary by supporters of the top-polling candidates. Disclaimer: AAAS and EurekAlert! are not responsible ...