Pour more dirt on grit. It seems that, with a representative sample, when you throw grit into a regression along with measures of intelligence, grit just explains very little on its own. Grit just doesn't contribute much at all to educational outcomes and has limited application in job-market success. In fact intelligence "contributes 48–90 times more than grit to educational success." [efn_note]Older studies, this study asserts, have failed due to a restriction of range; I wrote about restriction of range and its problems
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