An *unpublished* study found it helped college students prepping for the LSAT: http://www.nytimes.com/2012/04/22/magazine/can-you-make-yourself-smarter.html?pagewanted=all&_r=0
Cool! Did you go to the web site where the charts came from?(http://www.tylervigen.com/). The creator of the charts discusses the importance of correlation. Thank you Al for sharing!