> a kind of practice that includes an "active search for methods to improve performance," immediate informative feedback, structure, supervision from an expert.

> a kind of practice that includes an "active search for methods to improve performance," immediate informative feedback, structure, supervision from an expert... Made me think of learning to code... in some ways, coding provides this - we get tireless responses and immediate informative feedback each time we compile or test our code. Of course not all elements of good coding are evaluated by automatic metrics such as compiles, passes tests, or isn't too slow). but still.