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Bloom's two sigma problem (2020)

https://nintil.com/bloom-sigma
8•Tomte•6mo ago

Comments

trane_project•6mo 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/

Making Fast-Paced Multiplayer Networked Games Is Hard (2015)

https://www.codeproject.com/articles/Making-Fast-Paced-Multiplayer-Networked-Games-is-H
1•indigodaddy•41s ago•0 comments

Elon Musk's Grokipedia cites a neo-Nazi website 42 times, researchers say

https://www.nbcnews.com/tech/elon-musk/elon-musk-grokipedia-wikipedia-neo-nazi-grok-42-encycloped...
1•tastyface•1m ago•0 comments

Hello World

1•hawthorneben•2m ago•0 comments

Dell Now Shipping Laptop with Qualcomm NPU on Linux Ahead of Windows 11

https://www.phoronix.com/news/Dell-Pro-Max-With-Qualcomm-NPU
1•Bender•4m ago•0 comments

Show HN: TDS Compass – AI prompt for your communication style

https://resonantlabsai.github.io/tds.compass/index.html
1•relationalai•5m ago•0 comments

US troops invade Mexico in dramatic escalation

https://www.dailymail.co.uk/news/article-15310923/US-troops-Mexican-beach-invasion-fentanyl.html
2•Bender•7m ago•1 comments

PHP 8.5 Released with New Pipe Operator, New URI Extension and Clone With

https://www.phoronix.com/news/PHP-8.5-Released
1•mikece•8m ago•1 comments

Show HN: Premortem, a coding-agent-powered airplane blackbox

https://github.com/tilework-tech/nori-premortem
1•theahura•8m ago•0 comments

Dropout CEO on launching superfan tier as streamer crosses 1M subscribers

https://variety.com/2025/tv/news/dropout-superfan-tier-price-explained-sam-reich-1236564699/
1•PaulHoule•8m ago•0 comments

Reversing the Construction of the View-Projection Matrix (Game Engine Reversing)

https://zero-irp.github.io/ViewProj-Blog/
1•davikr•9m ago•0 comments

Cursor Usage Tracker

https://goldfish-app-in4yd.ondigitalocean.app/
2•elban•9m ago•1 comments

Cutting LLM Batch Inference Time by Half with Dynamic Prefix Bucketing

https://www.daft.ai/blog/cutting-llm-batch-inference-time-in-half-dynamic-prefix-bucketing-at-scale
2•DISCURSIVE•11m ago•0 comments

Bandage-like device brings texture to touchscreens

https://news.northwestern.edu/stories/2025/11/bandage-like-device-brings-texture-to-touchscreens
3•geox•14m ago•0 comments

The Right-wing schism over property taxes

https://progressandpoverty.substack.com/p/the-right-wing-schism-over-property
3•WillDaSilva•14m ago•0 comments

Who is OpenAI's auditor? (Update: it's Deloitte)

https://www.ft.com/content/3cff198e-25e5-481a-bd34-e26941e1d12d
3•naves•14m ago•0 comments

AI Is Writing Its Own Kernels, and They Are 17x Faster

https://adrs-ucb.notion.site/autocomp
15•accheng•14m ago•8 comments

Strands Agent SOPs – Natural Language Workflows for AI Agents

https://aws.amazon.com/blogs/opensource/introducing-strands-agent-sops-natural-language-workflows...
1•mobrienv•15m ago•0 comments

NTSB: Ups MD-11F Preliminary Report

https://avweb.com/flight-safety/accidents-ntsb/ntsb-releases-ups-md-11-preliminary-report/
1•mxx•17m ago•2 comments

'The Age of Disclosure' Review

https://www.nytimes.com/2025/11/20/movies/the-age-of-disclosure-review.html
1•handfuloflight•17m ago•0 comments

Grok's Elon Musk worship is getting weird

https://www.theverge.com/ai-artificial-intelligence/825675/groks-elon-musk-worship-is-getting-weird
5•minimaxir•17m ago•5 comments

Design your website like a nice restaurant

https://paulmakeswebsites.com/writing/design-your-website-like-a-nice-restaurant/
1•paulhebert•19m ago•0 comments

Elon Musk Could 'Drink Piss Better Than Any Human in History,' Grok Says

https://www.404media.co/elon-musk-could-drink-piss-better-than-any-human-in-history-grok-says/
7•pulisse•25m ago•1 comments

Gmail can read your emails and attachments to train its AI, unless you opt out

https://www.malwarebytes.com/blog/news/2025/11/gmail-is-reading-your-emails-and-attachments-to-tr...
26•taubek•26m ago•3 comments

The New AI Consciousness Paper

https://www.astralcodexten.com/p/the-new-ai-consciousness-paper
1•paulpauper•26m ago•0 comments

Show HN: MindHalo – macOS study assistant using on-device Foundation Models

https://mindhalo.techfixpro.net
1•aarush-prakash•28m ago•2 comments

Founder of Cincinnati tech firm Rumby admits defrauding investors, repay $7M

https://www.usatoday.com
2•rmason•28m ago•1 comments

Harvard to Admit 50% Fewer PhD Students in Science, Walking Back Deeper Cuts

https://www.thecrimson.com/article/2025/11/19/fas-science-phds/
2•paulpauper•29m ago•0 comments

Suisun City and California Forever

https://www.nytimes.com/2025/11/18/business/economy/suisun-city-makes-an-offer-to-california-fore...
1•paulpauper•30m ago•0 comments

Maker of Onewheel launches wild new electric mini bike self-balancing wheelies

https://electrek.co/2025/11/19/maker-of-onewheel-launches-wild-new-electric-mini-bike-brand-with-...
1•Bender•30m ago•0 comments

Mercedes takes out the trash as German city deploys 18 electric garbage trucks

https://electrek.co/2025/11/19/mercedes-takes-out-the-trash-as-german-city-deploys-18-electric-ga...
2•Bender•31m ago•0 comments