Spaced Repetition — What It Is and Why It Works

Spaced repetition is a learning technique that reviews information at increasing intervals over time, timed to just before you would naturally forget it.

Why it works

Each successful recall makes the memory more durable, so the gap before the next review can grow longer — a fact reviewed today, tomorrow, in 3 days, then a week, then a month, cements far better than cramming the same fact ten times in one sitting.

How to use it without an app

  • Write each fact or question on a flashcard
  • Sort cards into a few simple piles: "review daily," "review every few days," "review weekly"
  • Move a card to a less-frequent pile each time you recall it correctly; move it back if you get it wrong

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