But also like learning any skill correctly, one needs knowledge. Feedback during the practice helps a lot to make sure what's being practiced is correct. Teach

But also like learning any skill correctly, one needs knowledge. Feedback during the practice helps a lot to make sure what's being practiced is correct. Teaching, instructional design, curriculum development, etc., these are knowledge-based skills just like programming, but without the automatic corrective feedback that a compiler or automated test gives you.