You’ve all heard it by now: all the talk and focus on the 10,000 hour “rule,” from people like Malcolm Gladwell, and the researcher who originally published the study with the finding, Anders Ericsson, whose theories are not without opposition in the academic world. If you haven’t heard of this finding by researchers Ericsson, Krampe, & Tesch-Romer yet, it goes like this: it takes 10,000 hours of practice to reach expert-level performance, whether it’s in sports, music, chess, or x-ray diagnostics. But the 10,000-hour rule is a red herring for several reasons.