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Leitner

Boxes that move cards forward when you know them.

The Leitner system sorts flashcards into boxes. Cards you answer correctly move to a box that is reviewed less often; mistakes send a card back.

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How it works

Sebastian Leitner’s system uses a series of boxes. New cards start in box 1, which you review often. Each correct answer moves a card one box forward, to be reviewed less frequently. A wrong answer moves it back.

FocusKept applies the same idea automatically: each review step (day 5, 10 and 30, then 60 days and longer) is a box. Pass a review and the card moves forward; miss a question and it comes back in 2 days.

Step by step

  1. Create cards with a question on one side and the answer on the other.
  2. Review the cards in the first box most often.
  3. Move a card forward one box when you answer correctly.
  4. Move it back when you get it wrong.
  5. In FocusKept, simply do your due reviews: the boxes are handled for you.

Best for

  • Vocabulary, definitions and formulas
  • Long-term memory with minimal planning
  • People who like a visible sense of progress

When not to use it

  • Understanding complex ideas; explain them first with the Feynman Technique

Questions

How does Leitner map onto FocusKept?

Each review step is a box: day 5, day 10, day 30, then 60 days, doubling up to 180. Your card’s current step is its box.

What happens when I get a card wrong?

It comes back for a relearning review in 2 days at the same step. Pass that review and it continues forward.

Do I need to move cards myself?

No. FocusKept schedules every card for you, so you only answer the reviews that are due today.