Anders Ericsson and Robert Pool – Peak (2016)
Finally, a good teacher can give you valuable feedback you couldn’t get any other way. Effective feedback is about more than whether you did something right or wrong. A good math teacher, for instance, will look at more than the answer to a problem; he’ll look at exactly how the student got the answer as a way of understanding the mental representations the student was using. If needed, he’ll offer advice on how to think more effectively about the problem.