Not too sure about the case in the article and if relates exactly, but it made me think about spaced-reptition systems. I aim for a 80-90% success rate as I've

Not too sure about the case in the article and if relates exactly, but it made me think about spaced-reptition systems. I aim for a 80-90% success rate as I've found that to be the optimal range (arrived at that after doing this for 10+ years now with varying settings). I found other articles about this: https://eshapard.github.io/anki/target-an-80-90-percent-success-rate-in-anki.html https://eshapard.github.io/anki/target-an-80-90-percent-succ... https://vladsperspective.wordpress.com/2017/03/14/optimize-your-anki-youre-overtesting-yourself-on-too-few-cards-make-huge-gains/ https://vladsperspective.wordpress.com/2017/03/14/optimize-y...