Reversing Student Roles
If one can explain a concept to someone else, then [one] truly understands the concept
The “Show and Tell” technique is another form of the “Practical Examples” technique. However, in this technique the role of the student is reversed to that of a teacher, thereby changing the student’s perspective of the problem. The basic premise of the “Show and Tell” technique is that if one can explain a concept to someone else, then one truly understands the concept.
Scope
A typical “Show and Tell” project would require a student or a group of students to explain a given theory or phenomenon to the rest of the class and to demonstrate a physical example that helps visualize the phenomenon. Almost any example that you can convincingly demonstrate in a classroom would be appropriate for a “Show and Tell” project. However, it should be remembered that, as with the case of the “Practical Examples” technique, the concept to be explained by the students should be relatively simple and straightforward. The purpose of this exercise is to challenge the students to come up with a creative solution to the problem at hand without overwhelming them. To avoid embarrassing situations and to ensure that the demonstrations are useful to the entire class, it is also important for you to know beforehand what the students plan to present.
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