alt Hacker NewsI feel like the actual core mechanic at improving is the actual act of "recall", it doesnt matter what you do if its a form of recall it is effective and very awkward in practice because you just sit there waiting for your brain to do a mysterious thing
"Active recall" specifically (aka the testing effect [0]), as opposed to passive recall like rereading.
[0] https://en.wikipedia.org/wiki/Testing_effect