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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/

Solving Open Research Problems Together

https://research.meta.ai/blog/solving-open-research-problems-together
1•o4c•1m ago•0 comments

Anthropic commits $100M to Claude Frontier Academy to train 10k FDEs by 2028

https://www.unite.ai/new-anthropic-academy-backs-10-000-engineer-residencies-with-100m/
2•thoughtpeddler•1m ago•0 comments

Show HN: Halo – Dynamic Island for macOS that also works on external monitors

https://halo-mac.vercel.app/
1•otabekabdiraimo•2m ago•0 comments

Former SR-71 Engineer Talks NASA's Blackbird Revival Program

https://www.twz.com/air/former-sr-71-engineer-talks-nasas-blackbird-revival-program
2•rkagerer•5m ago•0 comments

Turso Is Joining Supabase

https://turso.tech/blog/turso-is-joining-supabase
2•ElasticBottle•9m ago•0 comments

In One Year I Went from AI Skeptic to AI Pilled

https://openengine.cc/blog/ai-skeptic-to-ai-pilled/
1•dethstrobe•9m ago•0 comments

What would BASIC look like if it had never gone out of fashion?

https://thoreaubasic.com/
1•Gorsefound•9m ago•1 comments

Whistle: Speech to Text in 16.9 MB

https://cactuscompute.com/blog/whistle
1•yarapavan•11m ago•0 comments

New in Llama.cpp: Decision Models

https://huggingface.co/blog/ggml-org/decision-models-in-llamacpp
3•nreece•11m ago•0 comments

AI Effect

https://en.wikipedia.org/wiki/AI_effect
1•thunderbong•12m ago•0 comments

Apple changes full-disk access permissions to curb abuse from AI agents

https://arstechnica.com/security/2026/10/apple-changes-full-disk-access-permissions-to-curb-abuse...
1•joozio•19m ago•0 comments

Show HN: I turned 27 classic behavioral experiments into a browser game

https://twentyfun.com/games/mind-lab
1•yesman_x•20m ago•0 comments

Mark Zuckerberg Profile

https://colossus.com/article/mark-zuckerberg-profile/
3•davezatch•22m ago•0 comments

French supercomputer maker Bull doubles output to boost Europe's AI ambitions

https://www.reuters.com/world/europe/french-supercomputer-maker-bull-doubles-output-boost-europes...
2•giuliomagnifico•26m ago•0 comments

Ideabrowser meets dark mirror – mobile apps you can build today that are WTF

https://trix.wtf/ideas/
2•cs1996•29m ago•0 comments

Co-pilot on Flydubai flight was banned from flying by Oman for extremist views

https://www.france24.com/en/middle-east/20261003-co-pilot-on-flydubai-flight-was-banned-from-flyi...
3•Markoff•30m ago•1 comments

Understanding Frontier Artificial Intelligence

https://casp.ac/reports/intelligence-explosion
4•roversx•32m ago•0 comments

A Leap in GNU/Linux Usage, Japan's Share in Particular

https://techrights.org/n/2026/10/03/A_Leap_in_GNU_Linux_Usage_Japan_s_Share_in_Particular.shtml
4•amcclure•36m ago•0 comments

I got targeted: Trying to get your credentials via a Git post-checkout hook

https://frankwiles.com/posts/i-got-targeted/
2•tsak•36m ago•1 comments

Ukraine rolls out drone-stopping razor fence to thwart attacks

https://www.newscientist.com/article/2591491-ukraine-technology-thwarts-drones-by-cutting-their-c...
3•0in•39m ago•0 comments

Would you use Hive-simpler AI agents?

2•LeoBuildss•39m ago•0 comments

Mass Layoffs at Red Hat Not Limited to This Week or to Oct First

https://techrights.org/n/2026/10/02/The_Mass_Layoffs_at_Red_Hat_Secret_Layoffs_Not_Limited_to_Thi...
5•amcclure•40m ago•0 comments

System Design – How SSDs Work Internally

https://jzleetcode.github.io/posts/design-how-ssds-work-internally/
2•ankitg12•45m ago•0 comments

What I worry about with AI – Code Capsule

https://codecapsule.com/2026/09/03/what-i-worry-about-with-ai/
1•ankitg12•47m ago•0 comments

The College Decision Just Got Harder

https://www.theatlantic.com/ideas/2026/10/young-people-job-market-choice/688845/
1•littlexsparkee•47m ago•0 comments

Phylogeny, ontogeny and epigenesis: 3 sources of biological inspiration (1996)

https://link.springer.com/chapter/10.1007/3-540-63173-9_37
1•mellosouls•49m ago•0 comments

Without search, even the best AI models get 1 in 4 answers wrong

https://twitter.com/randal_olson/status/2105298222562582591
2•nreece•49m ago•0 comments

Extension to show how much of your email was typed

https://dobryn.in/typed/
1•ddbrx•1h ago•2 comments

Do high school students have to work harder nowadays?

https://statmodeling.stat.columbia.edu/2026/09/21/do-high-school-students-have-to-work-harder-now...
1•luu•1h ago•0 comments

Taming Coding Agents Using Chemical Engineering Principles

https://blog-konecny.xyz/blog/2026/taming-coding-agents-using-chemical-engineering-principles/
1•3679225c-b36e-4•1h ago•1 comments