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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/

OpenAI Kicks Off IPO Process in Test of Investor Appetite for Top AI Labs

https://www.wsj.com/tech/ai/openai-kicks-off-ipo-process-in-test-of-investor-appetite-for-top-ai-...
1•toephu2•57s ago•0 comments

Apple Watch for Your Kids

https://www.apple.com/apple-watch-for-your-kids/
1•antfarm•1m ago•0 comments

Pythagora-Io/GPT-Pilot Compromised Credential Stealer Blocked by Python Linter

https://github.com/Pythagora-io/gpt-pilot/issues/1182
1•kurmiashish•5m ago•1 comments

MoE expert co-activations: Reordering inputs yields easy throughput gains

https://blog.doubleword.ai/moe-expert-coactivations
1•kkm•6m ago•0 comments

AI and the Redmonk Language Rankings

https://briandouglas.ie/redmonk-language-rankings-2026/
1•coneonthefloor•6m ago•0 comments

SwiftUI Only Makes It Easy to Develop Bad Apps

https://daringfireball.net/2026/06/swiftui_only_makes_it_easy_to_develop_bad_apps
1•robenkleene•7m ago•0 comments

How PICO-8 unlocked Frédéric Souchu's dreams

https://nanark.medium.com/a-pico-8-story-how-the-fantasy-console-unlocked-fr%C3%A9d%C3%A9ric-souc...
1•atan2•11m ago•0 comments

We brought Arc-style profile switching to Dia

https://diarc.app
1•0x6A75616E•12m ago•1 comments

OpenAI Submits S-1 Draft to SEC

https://openai.com/index/openai-submits-confidential-s-1/
8•hackerBanana•12m ago•0 comments

The sample efficiency black hole

https://www.dwarkesh.com/p/the-sample-efficiency-black-hole
1•crescit_eundo•13m ago•0 comments

Mathematics Is Out There

https://aeon.co/essays/for-sergiu-klainerman-maths-is-a-fact-to-be-divined
3•cainxinth•14m ago•0 comments

OpenAI Files S-1

https://twitter.com/openainewsroom/status/2064094175541461220
6•davidbarker•18m ago•0 comments

OpenAI Confidentially Files for IPO

https://www.cnbc.com/2026/06/08/openai-confidentially-files-for-ipo-prepping-wall-street-for-ai-d...
12•rvz•18m ago•0 comments

Scientists use lasers to determine the age of sharks

https://phys.org/news/2026-05-scientists-lasers-age-sharks.html
2•PaulHoule•18m ago•0 comments

Forcing a (Windows) system crash from the keyboard

https://learn.microsoft.com/en-us/windows-hardware/drivers/debugger/forcing-a-system-crash-from-t...
1•turtlegrids•19m ago•0 comments

Understanding Type Theory Eliminators

https://zenodo.org/records/20600315
1•DPDmancul•21m ago•1 comments

Pozzo: A Fast Lucky Number Checker

https://github.com/Robert-Cunningham/pozzo
1•robertvc•21m ago•0 comments

All WWDC 2026 session videos

https://developer.apple.com/videos/wwdc2026/
1•MysticOracle•21m ago•1 comments

Apple's New Siri AI Didn't Kill Raycast but It Represents a Make-or-Break Moment

https://www.inc.com/connor-jewiss/apples-new-siri-ai-represents-a-make-or-break-moment-for-founde...
1•connorjewiss•23m ago•0 comments

Discarding AI-Generated Code

https://www.dotnetperls.com/2026_6_8_discarding-ai-generated-code
2•speckx•23m ago•0 comments

Bangladesh has more Argentina fans per capita than most of South America

https://old.reddit.com/r/argentina/comments/1u0h4zm/bangladesh_has_more_argentina_fans_per_capita/
2•wslh•29m ago•0 comments

Good Internet magazine on indefinite hiatus

https://www.goodinternetmagazine.com/important/
2•bjhess•32m ago•0 comments

Developer Gets Half-Life Running at 30 FPS on a Nokia N95

https://www.tomshardware.com/video-games/handheld-gaming/developer-gets-half-life-running-at-30-f...
6•ljf•33m ago•1 comments

Apple bets cheaper AI will woo small developers

https://techcrunch.com/2026/06/08/apple-bets-cheaper-ai-will-woo-small-developers/
2•jbernardo95•33m ago•0 comments

A giant star may have destroyed itself in one of the rarest explosions

https://phys.org/news/2026-05-giant-star-destroyed-universe-rarest.html
6•wglb•35m ago•1 comments

NHS prescribes half a million Copilot licenses for its paperwork headache

https://www.theregister.com/ai-and-ml/2026/06/08/nhs-prescribes-half-a-million-copilot-licenses-f...
1•Bender•36m ago•0 comments

It's do or die for Apple AI

https://www.theregister.com/ai-and-ml/2026/06/08/its-do-or-die-for-apple-ai/5252479
1•Bender•36m ago•0 comments

We moved twice as fast with half the people

https://greggtmengine.substack.com/p/how-we-moved-twice-as-fast-with-half
1•greglee•37m ago•1 comments

Consultant mistakenly deleted a ton of data but reported it as a bug

https://www.theregister.com/software/2026/06/08/consultant-mistakenly-deleted-a-ton-of-data-but-r...
2•Bender•37m ago•0 comments

Federal judge rules Trump's $100k fee for H-1B visas unlawful

https://www.theguardian.com/us-news/2026/jun/08/trump-h-1b-visa-fee-invalidated
14•xpl•37m ago•0 comments