Most every student of psychology (and many other disciplines) has heard of the legendary Hawthorne effect. Steve Levitt (of Freakonomics fame) and John List have just published an article on the website of the National Bureau of Economic Research in which they reveal that they have discovered the thought-to-be-long-lost data from the original Hawthorne experiments of the 1920s. Contrary, however, to the widespread belief in the pervasiveness of the effect, Levitt and List say that there is very little consistent evidence of such an effect in the original data. Continue reading Hawthorne Effect? Maybe Not So Much. →