Created by Craig Anderson of Iowa State University, this case study addresses the question: "Does the mere presence of a weapon increase the accessibility of aggressive thoughts?" It concerns the following concepts:...

The World Bank does a great deal of development work throughout Africa, and it is by far the largest provider of assistance on the continent. As of 2007, their portfolio of projects under implementation was over $19...

This scatterplot, created by Gapminder, Inc., lets users plot a number of demographic variables and see the log transformation of those variables for numerous countries and income groups. Users can also see the...