Keep practicing, and you might become an expert. Or maybe you won't. Who knows? Not the experts, suggests a raging debate.Made famous by Outliers: The Story of Success, by Malcolm Gladwell, the 2008 book's "10,000-hour rule"—the number of hours of practice needed to acquire mastery of a skill—looks increasingly beleaguered.Underlying arguments over whether winners are made or born, or over nature versus nurture, the disagreement points to deep uncertainty about who should receive expert instruction and how best to teach people to excel."No one disputes that practice is important," says psychologist David Zachary Hambrick of Michigan State University in East Lansing. "Through practice, people get better. The question is whether that is all there is to it."
Adam Clark on 22 Mar 14Dr. Bronowski thought that the uncertainty principle should therefore be called the principle of tolerance. Pursuing knowledge means accepting uncertainty. Heisenberg's principle has the consequence that no physical events can ultimately be described with absolute certainty or with "zero tolerance," as it were. The more we know, the less certain we are.