# Use FSRS for spatial repetition?

**URL:** <https://community.hanzihero.com/t/use-fsrs-for-spatial-repetition/2827>\
**Category:** Feedback\
**Created:** [August 24, 2024, 7:16pm UTC](https://community.hanzihero.com/t/use-fsrs-for-spatial-repetition/2827 "2024-08-24T19:16:04Z")\
**Posts on this page:** 1\
**Showing post:** 8

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**Author:** ![phil](https://community-cdn.hanzihero.com/user_avatar/community.hanzihero.com/phil/32/6_2.png) [@phil](https://community.hanzihero.com/u/phil)\
**Post date:** [September 29, 2024, 9:59pm UTC](https://community.hanzihero.com/t/use-fsrs-for-spatial-repetition/2827/8 "2024-09-29T21:59:21Z")

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> [@daposto](#):
>
> difficulty becomes a parameter that a SRS can use to schedule cards more efficiently

Ah, I understand now. I thought we were talking about labels, not actually influencing the algorithm itself 😅 – got it. I don’t see us offering more options in influencing the SRS algorithm at the moment, it’s hard to see how it’d fit into the right/wrong of typing 🤔

> [@kaysik](#):
>
> When it’s binary choice it’s much easier to be consistent and honestly about if you knew it or not.

Exactly, keeping it simple and reducing the number of decisions drives our design. We had another thread which talked about this which provides some interesting background:

> [@Way to make reviews take up less time](https://community.hanzihero.com/t/way-to-make-reviews-take-up-less-time/292/6):
>
> I am reminded of the whole “low-key anki” series, which you can [read through the beginning here](https://web.archive.org/web/20210203165239/https://massimmersionapproach.com/table-of-contents/anki/low-key-anki/intro/) if you’re interested. There are two key insights I would extract from it. We can’t really judge how well we know something Not to mention the ever-present possibility that the only reason you found a card easy to answer in a specific moment was due to the same sort of memory fluke that I talked about in the previous section. In fact, ja-dark actually [cited](https://web.archive.org/web/20201220144344/http://science.sciencemag.org/content/319/5865/966) [studies](https://web.archive.org/web/20201220144344/http://castel.psych.ucla.edu/papers/Logan%20JOL%20Spacing%20ML.pdf) that found that people’s subjectiv…

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