One of the central ways we make sense of experience is by making differences. The world presents itself without inherent order, and our impulse is to place things in piles, count them, and name them. Shulman asserts that this is both a natural and a useful urge. He further proposes a Table of Learning (Engagement and Motivation, Knowledge and Understanding, Performance and Action, Reflection and Critique, Judgment and Design, Commitment and Identity) and elaborates on the function of each of these elements in the learning process.
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