Aren't School grades a good predictor of future success?

Tuesday, January 14, 2014 Francisco Carneiro 1 Comments

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Recently, I discovered that Pulitzer prize author Charles Duhigg says essentially the same thing in his 2012 book,“The Power of Habit: Why We Do What We Do in Life and Business.”

At the core of that education is an intense focus on an all-important habit: willpower. Dozens of studies show that willpower is the single most important keystone habit for individual success. In a 2005 study, for instance, researchers from the University of Pennsylvania analyzed 164 eighth-grade students, measuring their IQs and other factors, including how much willpower the students demonstrated, as measured by tests of their self-discipline.

An excellent synonym for willpower is self control. Another one is conscientiousness. It should not be necessary to point out that conscientious, self-controlled schoolchildren behave well in school. Nor should we be surprised that classroom behavior robustly predicts present and future success.

Students who exerted high levels of willpower were more likely to earn higher grades in their classes and gain admission into more selective schools. They had fewer absences and spent less time watching television and more hours on homework. “Highly self-disciplined adolescents outperformed their more impulsive peers on every academic-performance variable,” the researchers wrote. “Self-discipline predicted academic performance more robustly than did IQ. Self-discipline also predicted which students would improve their grades over the course of the school year, whereas IQ did not.… Self-discipline has a bigger effect on academic performance than does intellectual talent.”

http://schoolcrossing.blogspot.pt/2013_12_01_archive.html