http://en.wikipedia.org/wiki/Hawthorne_effect http://en.wikipedia.org/wiki/Hawthorne_effect They tried increasing light. Result: increased productivity. They t

http://en.wikipedia.org/wiki/Hawthorne_effect http://en.wikipedia.org/wiki/Hawthorne_effect They tried increasing light. Result: increased productivity. They tried decreasing light. Result: increased productivity. Eventually they worked out that any change increased productivity. (reminds me of teleported Arthur Dent cautiously checking his body for injury, and encountering pain wherever he felt. Eventually he realized it was his finger that hurt)