I'm surprised there's no mention of Super Memo and P. Woźniak's studies on spaced repetition in this thread: https://en.m.wikipedia.org/wiki/SuperMemo https://

I'm surprised there's no mention of Super Memo and P. Woźniak's studies on spaced repetition in this thread: https://en.m.wikipedia.org/wiki/SuperMemo https://en.m.wikipedia.org/wiki/SuperMemo https://www.supermemo.com/help/faq/memory.htm https://www.supermemo.com/help/faq/memory.htm