The 10,000 hours of practice rule suggests that it takes about 10,000 hours of practice to master any skill. It’s often cited as a guideline for the purpose of deliberate practice, but according to a study from Princeton, that number’s probably not right.
The Princeton study analyzed 88 other studies about deliberate practice. The researchers found that how much practice affected performance varied by field and there’s no set amount of hours it takes. Business Insider breaks down the numbers:
[R]esearchers found that practice accounted for just a 12% difference in performance in various domains.What’s really surprising is how much it depends on the domain:
In games, practice made for a 26% difference
In music, it was a 21% difference
In sports, an 18% difference
In education, a 4% difference
In professions, just a 1% difference
This isn’t the first time the 10,000 rule’s been challenged, but it’s one of the more comprehensive looks at how exactly practice effects mastery in the long run.
In a press release, the researchers sum up their findings pretty bluntly:
Furthermore, the findings showed that the effect of practice on performance was weaker when practice and performance were measured in more precise ways, such as using practice time logs and standardized measures of performance.
“There is no doubt that deliberate practice is important, from both a statistical and a theoretical perspective. It is just less important than has been argued,” says Macnamara. “For scientists, the important question now is, what else matters?”
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Story: http://lifehacker.com/study-shows-that-10-000-hours-of-practice-isnt-the-magi-1601141560