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Re:To Stop Cheating, Nuclear Officers Ditch the Grades by thisjepisje on Tuesday July 29, 2014 @03:09AM (#8101040)
Classical example of Goodhart's law:

http://en.wikipedia.org/wiki/Goodhart%27s_law

Re:To Stop Cheating, Nuclear Officers Ditch the Grades by teddyh on Tuesday July 29, 2014 @03:59AM (#8101147)
I would think that Campbell’s law is a slightly better fit:

https://en.wikipedia.org/wiki/Campbell%27s_law

Re:To Stop Cheating, Nuclear Officers Ditch the Grades by solarexplorer on Tuesday July 29, 2014 @07:35AM (#8101679)
And a good example is probably Google ranking...