Having talked about this very same thing (in a more general context) in our psychology tutorial only 2 weeks ago, I thought it was serendipitous that I encounter this article discussing 4 stages in mastery:
- Unconscious incompetence
- Concious incompetence
- Concious competence
- Unconscious competence
Having experienced this progression myself a number of times, I find this concept to be extremely useful in setting expectations when first approaching a new domain.