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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/

Improved LLM as a Judge Techniques

https://arxiv.org/abs/2606.27226
1•haritha1313•52s ago•0 comments

GSD – Open-source, local-first task manager built on the Eisenhower matrix

https://gsdtaskmanager.com/
1•vscarpenter•7m ago•0 comments

We can't retrain our way out of AI's economic disruption

https://mollykinder2.substack.com/p/we-cant-retrain-our-way-out-of-ais
1•keeda•9m ago•0 comments

Ford hired AI and sacked humans. It backfired badly

https://www.the-independent.com/tech/ford-ai-automation-human-workers-b3003787.html
3•speckx•10m ago•0 comments

Monlite – documents, vectors, cache, and job queue in one SQLite file

https://github.com/qataruts/monlite
2•emadjumaah•21m ago•0 comments

Bypass Protocol: The NDC Architecture Middleware Trap

https://www.youtube.com/watch?v=d4yvhpcXAzU
1•tgold8888•23m ago•0 comments

Show HN: Git-temp – scratchpad folder for AI agents; doesn't clutter Git status

https://github.com/sebmellen/git-temp
1•sebmellen•31m ago•0 comments

Deburr Edge Cases Skill: Make coding agents systematize their local code

https://github.com/imbue-ai/rust-bucket/blob/main/.agents/skills/deburr-edge-cases/SKILL.md
1•nvader•35m ago•0 comments

Yap – free offline voice dictation for Mac/Windows/Linux (Wispr Flow alt)

https://github.com/AkuchiS/yap
1•AkuchiS•38m ago•0 comments

Powerful Anthropic model, Fable 5, on track to return soon

https://www.axios.com/2026/06/27/anthropic-fable-5-return-soon
1•chris_overseas•42m ago•0 comments

An argument with Om about Wired spawned this newsletter. RIP brother

https://crazystupidtech.com/2026/06/27/how-an-argument-with-om-spawned-this-newsletter-rip-brother/
1•rmason•47m ago•0 comments

Marfa Public Radio Puts You to Sleep

https://www.marfapublicradio.org/podcast/marfa-public-radio-puts-you-to-sleep
44•reaperducer•56m ago•3 comments

A Man Who Invented a Surgery to Cure Himself

https://medium.com/swlh/doug-lindsay-the-man-who-cure-himself-12d40d3f643e
1•raynchad•57m ago•0 comments

Direct observation of the superallowed α-decay of 104Te

https://www.nature.com/articles/s41586-026-10581-w
1•thunderbong•58m ago•0 comments

What Barbarians Like to Take Private

https://www.gmo.com/americas/research-library/part-1-what-barbarians-like-to-take-private_gmoquar...
1•andsoitis•1h ago•0 comments

US Layoffs Skyrocket to Highest Level Since Pandemic AI Blamed for 40% of Cuts

https://www.ibtimes.co.uk/us-layoffs-skyrocket-highest-level-since-pandemic-tech-giants-blame-ai-...
9•yogthos•1h ago•1 comments

Almost always look on the bright side of life

https://www.economist.com/business/2026/05/21/why-you-should-almost-always-look-on-the-bright-sid...
1•andsoitis•1h ago•0 comments

After 80 Years, Mathematicians Give Famed 'Erdős Method' an Upgrade

https://www.quantamagazine.org/after-80-years-mathematicians-give-famed-erdos-method-an-upgrade-2...
1•signa11•1h ago•0 comments

Grantham Warns U.S. Stocks Could Plunge 70% / Most Expensive Market in History

https://247wallst.com/investing/2026/06/26/jeremy-grantham-warns-u-s-stocks-could-plunge-70-in-th...
7•andsoitis•1h ago•0 comments

Feds Killed Polestar and Spared Volvo. That Should Terrify You

https://www.thedrive.com/news/feds-killed-polestar-and-spared-volvo-that-should-terrify-you
22•mraniki•1h ago•9 comments

I built a 100% local network privacy appliance to stop smart home spying

https://www.edgedefenseai.com/
2•arundass•1h ago•1 comments

China Has Matched Anthropic in Cybersecurity, Resetting AI Race

https://www.wsj.com/tech/ai/chinese-ai-anthropic-mythos-cybersecurity-574b02c2
6•madars•1h ago•3 comments

What Happens When You Run 10k Concurrent Lambda Functions Against DynamoDB

https://medium.com/@yalovoy/what-happens-when-you-run-10-000-concurrent-lambda-functions-against-...
1•zero-ground-445•1h ago•0 comments

Amble One

https://driveamble.com/pages/amble-one
2•dnw•1h ago•0 comments

Show HN: FSM – an advanced system monitor for Linux

https://github.com/mskrasnov/FSM
2•mskrasnov•1h ago•0 comments

The AI "Super Bubble" Warning Is a Filter, Not a Funeral

https://www.pentesty.co/blog/ai-super-bubble-cybersecurity-filter-2026
3•johnzoro107•1h ago•0 comments

Show HN: SpinnerRecruit – targeted job ads in CLI for AI wait states

https://www.spinnerrecruit.dev/
1•jamessmu•1h ago•3 comments

Response to AI slop is from Robin Williams

https://jayacunzo.com/blog/your-move-chief
63•herbertl•1h ago•32 comments

Chrome Extension to Bypass Paywalls

https://gitflic.ru/project/magnolia1234/bypass-paywalls-chrome-clean
3•thunderbong•1h ago•1 comments

Turning music into a chore is how I became a musician

https://the.scapegoat.dev/turning-music-into-a-chore-is-what-made-me-an-artist/
2•herbertl•1h ago•0 comments