For students trying to remember something for
six months, the immediate practice session (which
produced a 27 percent final score) is not bad at all. But as the delay increases to twenty-eight days,
the students’ scores double. This pattern appears in numerous studies,
although the ideal delay
changes depending upon the final test date. There is a complex balance between the advantages of
nearly forgetting and the disadvantages of
actually forgetting, and it breaks our forgetting curve in
half:
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That single practice session has made the difference between forgetting nearly everything and
remembering quite a bit. Here’s the final leap: if immediate
recall practice is good, and delayed
practice is better, and if one session is good and many sessions are better, what happens if you delay
your recall practice many times?
We’ve found the end of forgetting. You learn a word today and then shelve it for a while. When it
comes back, you’ll try to recall it, and then shelve it again, on and on until you couldn’t possibly
forget. While you’re waiting for your old words to return, you can learn new words and send
them off
into
the future, where you’ll meet them again and work them into your long-term memory. At least
until you can upload jujitsu directly into your brain, this is the most efficient way to memorize large
amounts of information permanently.
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