You may have heard about the famous Hawthorne experiment, where raising light levels in a factory improved output, as did lowering them, as did anything else experimental. The original data have been found and this turns out not to be the case.The mind boggles at just how often I have used this example and how wrong it was. I have read the paper once, not that closely, but the overall impression I have is that Levitt is correct here.
Comments, observations and thoughts from two bloggers on applied statistics, higher education and epidemiology. Joseph is an associate professor. Mark is a professional statistician and former math teacher.
Friday, March 22, 2013
Wow, just wow!
Via Thomas Lumley:
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