Why This Matters

This matters because one exposure rarely creates durable recall. Repetition increases the number of successful retrievals, which leads to faster access and fewer forgetting failures. When repetition is spaced, you avoid “cramming illusions” and build long-term retention with less total time.

Where This Changes

Repetition without retrieval (rereading) is weaker than testing yourself because recognition can mask forgetting. Too much massed repetition can create short-term familiarity that fades quickly unless you return later and retrieve again.

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