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Suppose there are 3 boxes of cards called "Box 1", "Box 2" and "Box 3". The cards in Box 1 are the ones that the learner often makes mistakes with, and Box 3 contains the cards that they know very well. They might choose to study the Box 1 cards once a day, Box 2 every 3 days, and Box 3 cards every 5 days. If they look at a card in Box 1 and ...
Originally proposed by the German science journalist Sebastian Leitner in the 1970s, it is a simple implementation of the principle of spaced repetition where cards are reviewed at increasing intervals. In this method, flashcards are sorted into groups according to how well the learner knows each one in the Leitner's learning box.
In the Leitner system, correctly answered cards are advanced to the next, less frequent box, while incorrectly answered cards return to the first box for more aggressive review and repetition. Spaced repetition is an evidence-based learning technique that is usually performed with flashcards.
Jean Paul's idyll The Life of Quintus Fixlein (1796) has the subtitle as Drawn from Fifteen Boxes of Paper Slips. [7] [19] In the preface to the novel Penguin Island (1908) by Nobel laureate Anatole France, a scholar is drowned by an avalanche of multicolored index cards which formed a gigantic whirlpool streaming out of his overflowing card ...
The advantage is similar to that of the paper card file, which ensures that all the cards in one file are of the same priority. In other words, the cards have a "priority" property, which has to change dynamically, and so is encoded by box position, rather than being written on or attached to the card.
The composition is indicated in brackets thus: (suits x cards) e.g. (4 x AKQJT) means 4 suits each containing the Ace, King, Queen, Jack and Ten. The key to suits is: F = French-suited cards, G = German-suited cards, I = Italian-suited cards, Sp = Spanish-suited cards and Sw = Swiss-suited cards.
OpenCards implements two different learning models. A box-based short-term learning procedure, called last-minute learning, and a more sophisticated long-term memorization model based on the principles of active recall and the forgetting model. The latter is implemented as an improved version of the SuperMemo2 algorithm.
Another contributor to Box Cards was the cartoonist Joel Beck, credited as one of the founders of the underground comics movement in the mid-1960s. Only a few years before he first published Penthouse in 1965, Bob Guccione drew cartoons for Box Cards. Other cartoonists who drew Box Cards were Harry Crane, Jerry Lee and Bill Brewer, who had a ...