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Expositions are brief (2 - 4 minute) presentations of a single concept or method. You’ll hear the voice of an experienced teacher, and you’ll see text, pictures, animations, and sounds that explain the subject. Difficult or complex material can be repeated easily. Below is an example of a picture used in an exposition on Validity in Lesson 7.
To view sample expositions, click here. |
ActivEpi CD
Dr Kleinbaum (CDC/EIS) comedy skit
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