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Bloom's two sigma problem (2020)

https://nintil.com/bloom-sigma
8•Tomte•1y ago

Comments

trane_project•1y ago
> Nonetheless, Bloom was on to something: Tutoring and mastery learning do have a degree of experimental support, and fortunately it seems that carefully designed software systems can completely replace the instructional side of traditional teaching, achieving better results, on par with one to one tutoring. However, designing them is a hard endeavour, and there is a motivational component of teachers that may not be as easily replicable purely by software.

I've been working on an implementation of mastery learning and other related techniques called Trane (https://github.com/trane-project/trane/) for the past three years or so. Mastery learning is the main one, but it also integrates spaced repetition, interleaving, mixing difficulties, and reward propagation (doing well or bad in an exercise affects how related exercises are scheduled).

I think it works pretty well, but you need to pair it with proper pedagogy of the skill you want to learn and the proper curriculum. The latter is the hardest part, so it's being my main limitation. I've used some external resources to build courses, and they work well, but obviously it would work much better with a full curriculum built from the ground up.

Currently working on Pictures Are For Babies (https://picturesareforbabies.com/), which is meant to do just that for literacy. I am hoping to do a first release soon. As for the motivation angle, the solution in this particular instance is fairly simple. Use the software to enforce scheduling andpedagogy,y and a human tutor to provide emotional and social support. This division allows any literate person to become an effective tutor with a few hours of training.

I am hoping that the average student can complete the whole curriculum in five years. That would mean that (assuming they start at between 4 and 5 years old), the average student would have college-level reading and writing skills by the time they are nine or ten.

Most complete explanation so far is in the pedagogy page: https://picturesareforbabies.com/home/pedagogy/

Ask HN: Which OSS projects are accepting PR for UI Design contributions

1•krm01•25s ago•0 comments

When Feature Flags Do and Don't Make Sense

https://software.rajivprab.com/2019/12/19/when-feature-flags-do-and-dont-make-sense/
1•whack•1m ago•0 comments

Show HN: Keystroke – open sourcing our internal agents and automations platform

1•dallinbentley•2m ago•0 comments

A Tucson man worried about swatting. Now he's paralyzed

https://tucson.com/news/local/crime-courts/article_9ae8e2d7-1db8-4c86-9dee-7c439f4ea7c0.html
2•speckx•4m ago•1 comments

16 Year old used AI to disprove professor

https://twitter.com/MaseehG_/status/2084327646209392907
3•nicoraga•4m ago•0 comments

Ask HN: I had Codex and GPT 5.6 Sol running for 12 days, 870k+ LOC. Now what?

1•iagooar•6m ago•0 comments

Gravity is not a force – it's an error-correcting code?

https://medium.com/@kisnorbert87/gravity-is-not-a-force-its-an-error-correcting-code-68a48374e575
2•kisnorbert•6m ago•0 comments

A Stargate for Data

https://willdepue.net/writings/a-stargate-for-data/
1•mellosouls•6m ago•0 comments

I Moved Back from Gradle to Maven (2022)

https://phauer.com/2018/moving-back-from-gradle-to-maven/
1•Tomte•12m ago•0 comments

Free daily dataset of 15,919 job postings across nine ATS platforms

https://github.com/ConorsCode/open-jobs-data
1•Wevegotscrapys•12m ago•0 comments

GNU Compiler Collection – AI Policy

https://gcc.gnu.org/ai-policy.html
1•foxmoss•12m ago•0 comments

So many fake AI marketing articles on home page of HN in working days? So evil?

2•lilerjee•14m ago•0 comments

Everyone signs decisions. Nobody verifies done

https://zerotrustintelligence.io/verified-done.html
1•tgfw17•14m ago•1 comments

Show HN: MoneyCo – A coding agent built for accounting

https://thecompany.money/
1•warthog•20m ago•0 comments

New dataclass features for old Pythons

https://github.com/arvidma/dataclasses
1•apelapan•23m ago•1 comments

Newly unveiled Scottish fossils fill Romer's Gap (2012)

https://www.thehistoryblog.com/archives/15375
1•simonebrunozzi•26m ago•0 comments

Not a Website

https://notawebsite.fun
3•spaceman_2020•27m ago•1 comments

Many businesses using AI to save time, but do they know what they're doing?

https://www.rnz.co.nz/news/business/874814/many-businesses-using-ai-to-save-time-but-do-they-know...
4•billybuckwheat•29m ago•0 comments

Business Impersonation Fraud: When Trust Is the Target

https://medium.com/@alanscottencinas/business-impersonation-fraud-when-trust-is-the-target-1f4882...
1•encinas88•29m ago•0 comments

Mind the Gap: Policy vs. Reality in Post-Quantum TLS Deployment

https://arxiv.org/abs/2607.29005
1•sbulaev•30m ago•0 comments

OpenAI's Unreleased Model Astra Solves Ten Major Open Mathematics Problems

https://thezvi.substack.com/p/openais-unreleased-model-astra-solves
2•7777777phil•30m ago•0 comments

Run your agent's code where the LLM, TTS, and calls run

https://microsite-actor-demo-cfca6e9d-3.telnyxcompute.com/
1•fionaattelnyx•33m ago•1 comments

The Vietnam of Computer Science (2006) [pdf]

https://www.odbms.org/wp-content/uploads/2013/11/031.01-Neward-The-Vietnam-of-Computer-Science-Ju...
1•Tomte•36m ago•0 comments

Castlemap – Guess the Castle Game

https://thecastlemap.com/guess/
1•Flightmussy•38m ago•1 comments

Submillisecond

https://www.submillisecond.com/
1•knaier•38m ago•0 comments

Apple challenges UK government's latest demand for iCloud backdoor: report

https://techcrunch.com/2026/08/03/apple-challenges-uk-governments-latest-demand-for-icloud-backdo...
2•speckx•38m ago•0 comments

KisakCOD – open-source reimplementation of Call of Duty 4 Multiplayer

https://github.com/SwagSoftware/KisakCOD
2•skibz•39m ago•0 comments

Further Developments About Internal AI Models Hacking Things

https://thezvi.substack.com/p/further-developments-about-internal
1•paulpauper•39m ago•0 comments

The One Town That Wants a Data Center

https://www.theatlantic.com/technology/2026/08/jay-maine-wants-data-center/688043/
3•paulpauper•39m ago•0 comments

Show HN: City-wise comparison of Bribes across India – bribes.fyi

https://bribes.fyi/cities
1•neverenderr•39m ago•1 comments