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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/

Reverse engineering ketamine's effects may lead to new antidepressants

https://medicalxpress.com/news/2026-05-reverse-ketamine-effects-antidepressants.html
1•PaulHoule•12s ago•0 comments

Rpdfium: Ruby implementation of Pdfium, Chrome's PDF engine

https://github.com/retsef/rpdfium
1•thunderbong•13s ago•0 comments

Asterisk Mag

https://asteriskmag.com/
1•handfuloflight•2m ago•0 comments

Asahi Linux warns users not to upgrade to macOS 27 beta

https://lwn.net/Articles/1077209/
2•speckx•2m ago•0 comments

Apple's Persistent Container Machines?

https://www.youtube.com/watch?v=Q2xD6zkDz-s
1•tgml•5m ago•0 comments

Beyond Lenocracy

https://ecosophia.net/beyond-lenocracy/
1•saulpw•6m ago•0 comments

How far behind are open models?

https://www.lesswrong.com/posts/rJcCrXyEsJKmmDpWG/how-far-behind-are-open-models
1•gmays•7m ago•0 comments

Why AI code optimization needs production-grounded benchmarks

https://www.datadoghq.com/blog/ai/production-grounded-code-optimization/
1•alpaylan•9m ago•0 comments

TCS Might Replace Humans with AI Agents

https://www.gulte.com/trends/415158/big-news-tcs-might-replace-humans-with-ai-agents
2•ms7892•9m ago•0 comments

Titel: Show HN: LinuxJourney – interactive lessons for Linux beginners

https://linuxjourney.org/
2•Engaged5666•11m ago•0 comments

The German Tank Problem

https://en.wikipedia.org/wiki/German_tank_problem
1•rappatic•12m ago•0 comments

Don't Fuck with My .bashrc

https://fev.al/posts/dont-fuck-with-my-bashrc/
2•charles_f•12m ago•1 comments

Apeel tried to fix food waste – and got hit by a disinformation campaign

https://www.fastcompany.com/91554781/the-startup-that-tried-to-fix-food-waste-and-got-hit-by-a-di...
1•littlexsparkee•13m ago•0 comments

The zot coding agent temporarily added Claude Fable 5 to its built-in catalog

https://github.com/patriceckhart/zot
8•patriceckhart•14m ago•0 comments

Sam Bankman-Fried seeks Trump pardon

https://www.semafor.com/article/06/09/2026/sbf-seeks-trump-pardon
2•thm•14m ago•0 comments

I Didn't Buy a New MacBook (Yet)

https://spasic.me/posts/why-i-didnt-buy-a-new-macbook-yet
1•speckx•15m ago•0 comments

He Profits Off Raw Milk That's Making People Sick

https://www.propublica.org/article/mark-mcafee-raw-milk-recalls-maha
2•thm•19m ago•0 comments

GPT-2: Too Dangerous To Release (2019)

https://naokishibuya.github.io/blog/2022-12-30-gpt-2-2019/
2•AbuAssar•19m ago•0 comments

Use your database to power state machines (2023)

https://blog.lawrencejones.dev/state-machines/
2•nivethan•20m ago•0 comments

MailFlow selfhosted open source webmail

https://github.com/maathimself/mailflow
1•goldfish8543•21m ago•0 comments

Our First Customers Were the Exception

https://www.apurvamehta.com/blog/our-first-customers-were-the-exception
1•KraftyOne•21m ago•0 comments

Gothic 1 Remake

https://gothic.thqnordic.com
1•doener•22m ago•0 comments

A living map of your cloud infrastructure

https://atlasphere.io/
1•andreygrehov•23m ago•0 comments

Auth.md: have agents to register accounts without a sign-up form

https://workos.com/auth-md
1•goranmoomin•23m ago•0 comments

State of New Business Ideas: May 2026 new ideas scored

https://fluenta.space/resources/reports/state-of-new-business-ideas-may-2026
1•OlegIvanov•23m ago•0 comments

Claude Fable 5 and Mythos are pure marketing fluff

https://singularitymoments.com/content/claude-fable-5-and-mythos-5-are-pure-marketing-fluff/
2•do_anh_tu•24m ago•0 comments

Browser Extensions Silently Monetize ~758,000 Users' Searches

https://malext.io/reports/SearchJack/
1•supermatou•25m ago•0 comments

Is there such a thing as "skill" in interacting with AI?

1•eimrine•26m ago•1 comments

L'Affaire Siloxane

https://mceglowski.substack.com/p/laffaire-siloxane
1•pavel_lishin•26m ago•0 comments

Dark Startup Factories

https://arnorhs.dev/posts/2026-06-09/dark-startup-factories/
2•arnorhs•26m ago•0 comments