Wasn't there a research done by Ford, which has shown, that long periods of overtime decrease productivity? Mentioned in: http://lostgarden.com/2008/09/rules-o

Wasn't there a research done by Ford, which has shown, that long periods of overtime decrease productivity? Mentioned in: http://lostgarden.com/2008/09/rules-of-productivity-presentation.html http://lostgarden.com/2008/09/rules-of-productivity-presenta...