This is an example of one way in which expert performers use mental representations to improve their performance: they monitor and evaluate their performance, and, when necessary, they modify their mental representations in order to make them more effective. The more effective the mental representation is, the better the performance will be. We had developed a certain mental representation of the book, but we found out that it had led us to a performance (the explanations in our original proposal) that was not as good as we wished, so we used the feedback we had gotten and modified the
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