Venn fail

Thanks to Randy Scalise for bringing this excellent graphic from the Romney campaign to my attention. The Texas Republican party recently put in their platform a plank that called for an end to teaching critical thinking; this graphic suggests, as is the wisdom, that what happens in Texas has wide-ranging impacts on education throughout the United States. Certainly, it seems that there is a lack of critical thinking in the graphics department in Romney’s campaign [1].


The point of a real Venn diagram is to illustrate how much two things have in common (by highlighting their overlap), whereas the above is trying to point out what is NOT in common. Ironically, the above message would have actually been communicated correctly by separating the two colored circles with an actual gap.

Again, with thanks to Randy, here is a proper Venn diagram [2]:




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