Spaced Repetitionに説明を追加
(3.5) Spaced repetition method that lasts knowledge
it is beneficial to raise the score in a week
In the experiment I told, the score (how strong they remember) is mesured after a week
But your life is long
Long-term memory is important
Long-term memory = memory which last more than a year
(I should rewrite the paragraph)
#pIntEn