A Venn diagram can show data sets such as preferences in market research. When sets intersect (overlap), the elements in the intersection are members of both sets. When the sets have no elements in ...

John Venn was an English logician who was famous for inventing the Venn diagram, a graphical illustration which can be used to describe relationships in data. A Venn diagram has overlapping regions ...

This paper describes the use of a three-circle Venn diagram as a vehicle for introducing pre-service elementary teachers to pedagogical content knowledge (PCK). Each circle of the diagram represents ...

Drawing charts and graphs to illustrate pop songs is one if the internet’s most enjoyable diversions, and now a British author has published a book that taps into the trend. 17 November 2008 • 4:01pm ...

John Venn, the inventor of the Venn diagram, was born 180 years ago today. Here are 21 surprising things you can use Venn diagrams to describe. Get daily headlines and breaking news alerts for FREE by ...