Hacker News new | ask | show | jobs
by SpaceManNabs 2280 days ago
There are people saying here that is not worth it. I tend to agree but for different reasons. Flashcards with spaced repetition can help you learn mathy concepts, as Michael Niesel and others have shown.

As high_derivative notes, to make the process worthwhile, you need to make the notes yourself in order to internalize chunks that are worthwhile to you. That means your own definitions that you are failing to remember, the questions you need to answer, the problem sets you want to review, etc.

You can only internalize with a method like flashcards w/ spaced repetition once you understand the argument, need, and narrative.

2 comments

In a more recent article Michael Nielsen and his co-author Andy Matuschak have adjusted their thinking somewhat: https://numinous.productions/ttft/

“One of us has previously asserted (Michael Nielsen, Augmenting Long-Term Memory (2018)) that in spaced-repetition memory systems, users need to make their own cards. The reasoning is informal: users often report dissatisfaction and poor results when working with cards made by others. The reason seems to be that making the cards is itself an important act of understanding, and helps with committing material to memory. When users work with cards made by others, they lose those benefits.

Quantum Country violates this principle, since users are not making the cards. This violation was a major concern when we began working on Quantum Country. However, preliminary user feedback suggests it has worked out adequately. A possible explanation is that, as noted above, making good cards is a difficult skill to master, and so what users lose by not making their own cards is made up by using what are likely to be much higher-quality cards than they could have made on their own. In future, it’s worth digging deeper into this issue, both to understand it beyond informal models, and to explore ways of getting the benefits of active card making.”

Thank you for this. I just want to emphasize that you still need to understand the reasoning and ideas behind ideas. First rule of supermemo still applies: Do not learn if you do not understand.

I'd recommend these cards if they were higher quality than the ones I make if the person using the cards already read a textbook on the topics.

Been too long since I commented so I can't edit.

I think these are fine if you are trying to review concepts while on a train or something. Emphasis on REVIEW and revisiting only, not learning.