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Can you hear me in the back? Improving large section instruction using walkie-talkies.
In the fall of 1995, one of us introduced a new technology that fundamentally changed the nature of large lecture classes: walkie-talkies. (1) This brief educational note describes the inspiration behind the walkie-talkie system, how it works, and the costs and benefits of using the system to teach large principles sections.
The idea for the walkie-talkie system resulted from giving my teaching assistant the opportunity to teach a large (200 student) class to help him gain experience teaching. Sitting in the back of the classroom to observe the teaching assistant provided an entirely different perspective on large classes! The students around ...See the full content of this document
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