Wednesday, July 20, 2011

Correlation does not necessarily imply causation...

I'm filing this article away for the next time someone throws out the video games and violence stories. If you've ever heard the expression, "Lies, damn lies, and statistics" this is what it's all about. If you take the time you can correlate almost any data sets to prove a point. Just because there appears to be a statistical correlation between one data set and another does not mean that one thing caused the other thing to happen (or vice-versa).

Anyway enough serious stuff.... apparently this professor has been able to correlate a countries GDP to the average penis size of a country's men. No.. I don't know how he sourced his data.

Amplify’d from
Chart: Penile Length Leads to Little Economic Growth
The opening question to most undergraduate macroeconomics courses usually is, "Why are some countries rich and others poor?" The lecturer will then probably dive into all of the usual suspects behind economic growth--natural resources, technological innovation, savings rate--without mention of perhaps the most primal of measurements: penis size. 

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