Forgetting curve

You forget most of what you just learned within a day. Time the review before the forgetting, not after.

Definition

Hermann Ebbinghaus's empirical finding that newly learned information is forgotten rapidly at first, then more slowly, following an exponential decay unless reinforced by review.

Step 1

Predict first

In one or two sentences, what do you think this concept means? Wrong is fine; the small struggle is what makes the answer stick.