Q16: Learning,Forgetting, Re-Learning...
Question: How do you know you have learned something? You definitely have not learned something just because you did well on an academic style exam which 'tested' your knowledge of the subject. Beyond that, this question is ridiculously hard to answer. A subject of philosophers and educational academics throughout the ages... Broadly, just to offer some thoughts on the subject, I think you need to ask what it is you are trying to learn. Is it an applied life-skill? A fine-motor skill? A piece of information? An equation or a formula? What? Because in each of these different cases, having learned that something will look different. If it is a piece of information, you have learned, or at least learned of it, the first time you come across it. If your asking how you know when you will remember it, that's highly individual. I know I will remember something if I repeat it enough, or if it had a major impact on my life, or if ...