. Does Gladwell expect that readers will actually be able to use the information he provides? How can you tell?

Most of us were introduced to the concept of open-ended and closed questions when we were in teacher preparation programs. We were taught that an open-ended question was likely to draw out a longer response than a closed one. By turning a closed question that can be answered with a specific piece of information ("What answer did you get for number 5?") to an open-ended one that allows for more than one response ("How did you get the answer for number 5?"), we can provoke more insightful commentary from students. But open-ended and closed questions describe student response formats. Although these are important considerations for bolstering engagement, they don't fully address the teacher's purpose for asking either question in the first place.

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