Cognitive debt: the 3-month bill

Same cram at the start. What happens after depends on what you did with it: nothing, or practiced it and taught it.

A simplified illustration of a well-documented effect: memory decays without practice. The curves below are illustrative, not measured data.

Week 4

Week 4: collected answers ~6.9% recall, deliberate learning ~56.5% recall.

No practice With practice + teach
Collect answers 6.9%
Learn deliberately, then teach it 56.5%