Are you familiar with the ‘10,000 hour rule’? Many of you probably are. If you’re read Malcolm Gladwell’s book, ‘Outliers’, then you definitely are. The premise goes like this; practice something a lot - 10,000 hours, or about 10 years - and you’ll develop expertise in that particular domain. It sounds simple doesn’t it. But is it truly so? Many of us, or our students, have played tennis for well over 10 years, but I wouldn’t necessarily start calling ourselves ‘experts’. Now we might be pretty good, but expertise, as defined by researchers in this field, means far more than just ‘pretty good’ or even ‘really good’.
