“Duckworth’s early research showed that measures of self-control can be a more reliable predictor of students’ grade-point averages than their I.Q.’s. But while self-control seemed to be a critical ingredient in attaining basic success, Duckworth came to feel it wasn’t as relevant when it came to outstanding achievement. People who accomplished great things, she noticed, often combined a passion for a single mission with an unswerving dedication to achieve that mission, whatever the obstacles and however long it might take. She decided she needed to name this quality, and she chose the word “grit.”
She developed a test to measure grit, which she called the Grit Scale. It is a deceptively simple test, in that it requires you to rate yourself on just 12 questions, from “I finish whatever I begin” to “I often set a goal but later choose to pursue a different one.” It takes about three minutes to complete, and it relies entirely on self-report — and yet when Duckworth took it out into the field, she found it was remarkably predictive of success. At Penn, high grit ratings allowed students with relatively low college-board scores to nonetheless achieve high G.P.A.’s. Duckworth and her collaborators gave their grit test to more than 1,200 freshman cadets as they entered West Point and embarked on the grueling summer training course known as Beast Barracks. The military has developed its own complex evaluation, called the Whole Candidate Score, to judge incoming cadets and predict which of them will survive the demands of West Point; it includes academic grades, a gauge of physical fitness and a Leadership Potential Score. But at the end of Beast Barracks, the more accurate predictor of which cadets persisted and which ones dropped out turned out to be Duckworth’s 12-item grit questionnaire.”
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