There is a claim in many textbooks, blogs, and articles that goes something like this:
We retain 10 percent of what we read,
50 percent of what we see and hear,
and 90 percent of what we teach.
Statements like this come from Edgar Dale’s Cone of Learning, which comes from his Audio-Visual Methods in Teaching. In fact, the cone theory is very sound.
The basic idea is that you are much more likely to retain information if you participate in active learning. In other words, the next time you prepare for a test, read your material, discuss it with your study partner, draw sketches of it to demonstrate how it works, and then quiz yourself and others on the material. It really works!
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