References
Why Grit Trumps Skills
The University of Pennsylvania psychology professor and 2013 MacArthur Fellow published the first paper on the topic with colleagues in 2007. In it, they concluded that grit was a better predictor of success than IQ or conscientiousness in a variety of populations, including cadets at the U.S. Military Academy at West Point.

The University of Pennsylvania psychology professor and 2013 MacArthur Fellow published the first paper on the topic with colleagues in 2007. In it, they concluded that grit was a better predictor of success than IQ or conscientiousness in a variety of populations, including cadets at the U.S. Military Academy at West Point.