Definition
Reviewing material at increasing intervals to move it to long-term memory—the opposite of cramming and actually backed by neuroscience.
Example Usage
Using spaced repetition with flashcards meant I remembered vocabulary instead of forgetting it two days after the exam.
Origin
Hermann Ebbinghaus discovered the spacing effect in 1885; now embodied in apps like Anki
Fun Fact
Spaced repetition can improve retention by up to 80% compared to cramming, yet it requires planning ahead.
Source: Cognitive Psychology and Memory Research (Ebbinghaus, H., 1885)
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