Mitt Romney’s campaign put out a set of graphics illustrating a “gap” between what Obama promised and what he has delivered.  The graphic is in the form of a Venn diagram, a visual designed to show the overlap between two conditions.  For an example, see this platypus playing a keytar.

Unfortunately, Romney’s overlapping circles are not Venn diagrams, making the campaign somewhat ridiculous and giving nerdy liberals all over America a good chuckle.

So, there you have it, an example of how not to use Venn diagrams to illustrate your data.

Via Feministing and Dolores R.

Lisa Wade is a professor of sociology at Occidental College and the co-author of Gender: Ideas, Interactions, Institutions. You can follow her on Twitter and Facebook.
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