When Data Visualization Goes Wrong and Numbers Mislead

Ansley Colclough

Data, Data Visualization

Source image: The Most Misleading Charts of 2015 Fixed on Quartz To some students and readers, one of the rhetorical effects of data visualization is that the mere presence of a pie chart, graph, or timeline on a page confers “legitimacy” to an argument. At worse, this gesture attempts to obfuscate weak evidence. At best, the information conveyed may be correct but unnecessary to support an argument. In a piece for The New York Times, By the Numbers writer Charles M. Blow compared the