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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/

67% Cost Savings with PD Disaggregation Using Ray and vLLM on AMD MI325X

https://www.anyscale.com/blog/ray-vllm-prefill-decode-disaggregation-amd-mi325x-67-percent-savings
1•robertnishihara•29s ago•0 comments

Java's Project Valhalla lands a preview in JDK 28

https://www.theregister.com/devops/2026/06/15/javas-project-valhalla-finally-lands-a-preview-in-j...
1•pjmlp•1m ago•0 comments

SAMF- Deterministic Moscow guardrails for LLM multi-agent loops

https://github.com/NanoPrompt/samf-framework
1•nanoprompter•6m ago•0 comments

Show HN: SharePad – share a USB iPad as a clean window in any call

https://sharepad.co/
1•jonyardley•10m ago•0 comments

Vellum Studio – Word to PDF Offline Android App

https://play.google.com/store/apps/details?id=com.vertexapp.vellumpdfstudio.app&hl=en_US
1•vertexapps•13m ago•1 comments

The Return of Rigorous Full-System Timing Simulation

https://www.sigarch.org/the-return-of-rigorous-full-system-timing-simulation/
1•matt_d•17m ago•0 comments

AI Agents Enable Adaptive Computer Worms

https://cleverhans.io/worm.html
1•xyzal•18m ago•0 comments

Can open-source beat OpenAI?

https://restofworld.org/2026/tiezhen-wang-china-us-open-source-ai/
5•devonnull•26m ago•0 comments

Show HN: FlashQwen – A from-scratch CUDA inference engine for Qwen3

https://github.com/frankkk96
1•langtang1996•28m ago•0 comments

Visual Studio Code is designed to fracture (2022)

https://ghuntley.com/fracture/
1•Tomte•29m ago•0 comments

How to set a static IP address for an Nginx outbound proxy

https://outboundgateway.com/blogs/nginx-static-ip-outbound-proxy/
1•thomster•36m ago•0 comments

Language integrated LLMs as an OCaml function

https://anil.recoil.org/notes/language-integrated-llms
1•matt_d•42m ago•0 comments

AI Is Not Conscious, but It Is Becoming Our Unconscious

https://theconvivialsociety.substack.com/p/ai-is-not-conscious-but-it-is-becoming
1•mellosouls•43m ago•0 comments

I Could've Rickrolled the FIFA World Cup. All I Needed Was My ID

https://bobdahacker.com/blog/fifa-hack
35•BobDaHacker•44m ago•5 comments

So I built something to listen to customer complaints

https://old.reddit.com/r/SideProject/comments/1u74ern/so_i_built_something_to_finally_listen_to/
1•bishwasbh•46m ago•0 comments

YouTube Cracks Down on AI Slop

https://www.hollywoodreporter.com/business/digital/faceless-creators-youtube-ai-damage-1236617586/
3•l33tbro•46m ago•0 comments

Meet the world's top AI-Pilled Economists

https://www.economist.com/finance-and-economics/2026/06/15/meet-the-worlds-top-ai-pilled-economists
2•1vuio0pswjnm7•47m ago•0 comments

Steel and chemicals giants demand freeze to EU's flagship climate policy

https://www.politico.eu/article/steel-and-chemicals-giants-demand-freeze-to-eus-flagship-climate-...
1•leonidasrup•48m ago•0 comments

Crypto Clarity AI

https://cryptoclarityai.com/
1•CryptoClarityAI•54m ago•0 comments

Catalog of Cycling Workouts to browse/download/share

https://cyclingintervals.com/
1•purec•1h ago•1 comments

Survey of the moniliths by fable 5 – short film in HTML

https://sand-morph.up.railway.app/survey-of-monoliths
1•echohive42•1h ago•0 comments

Quantum Entanglement for Dummies

https://zenodo.org/records/20128508
2•phdlalala•1h ago•0 comments

John Carmack on Fabrice Bellard

https://twitter.com/ID_AA_Carmack/status/2064095424420487226
4•apitman•1h ago•0 comments

Russian Spam and Profanities Are Now Plaguing the Arch Linux AUR

https://www.phoronix.com/news/Arch-Linux-AUR-Russian-Spam
2•Lockal•1h ago•0 comments

Facebooks App description is "hacked" in Play Store [video]

https://www.youtube.com/shorts/UWaIinB84q4
1•tbqq•1h ago•0 comments

Inside FIFA's World Cup Technology [video]

https://www.youtube.com/watch?v=JRhwXYfrlss
1•ofrzeta•1h ago•1 comments

Anthropic Pauses Its Claude Agent SDK Billing Change

https://origami.sa/en/blog/anthropic-pauses-agent-sdk-subscription-billing-change/
1•dockerd•1h ago•0 comments

Smarter Models, Dumber Security

https://manveerc.substack.com/p/mcp-supply-chain-attack-vector
1•manveerc•1h ago•0 comments

Ask HN: What Jobs (Roles) are in the best position to take advantage of AI?

2•CWhiting•1h ago•0 comments

Stanford CS153 Frontier Systems – Scale, AGI, and the Future of Everything [video]

https://www.youtube.com/watch?v=F_7M4Hc-usM
2•twalichiewicz•1h ago•0 comments