Malcolm Gladwell got us wrong: Our research was key to the 10,000-hour rule, but here's what got oversimplifiedAdapted from "Peak: Secrets from the New Science of Expertise" In 1993 one of us (Anders Ericsson) published the results of a study on a group of violin students in a music academy in Berlin that found that the most accomplished of those students had put in an average of ten thousand hours of practice by the time they were twenty years old. That paper, written with co-authors Ralf Krampe and Cleme
