Most of the people reading this know how to tie your shoes. How did you learn to do that? An experienced person (usually named Mom or Dad) showed you how to do it, and then worked with you while you tried it, unsuccessfully at first. You then practiced on your own until you could do it without thinking. <br />
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What about driving a car? It is a little more complex, but essentially the same process. In this case, you added studying “the book” in order to pass the test to ...