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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/

Smart Thinking in the Age of AI

https://flowchainsensei.wordpress.com/2026/06/10/smart-thinking-in-the-age-of-ai/
1•speckx•1m ago•0 comments

What can a neuron compute – bioRxiv

https://www.biorxiv.org/content/10.64898/2026.06.08.730984v1.full
1•bilsbie•3m ago•0 comments

MIT engineers find a way to deliver drugs directly to the esophagus

https://news.mit.edu/2026/mit-engineers-find-way-to-deliver-drugs-directly-to-esophagus-0612
1•ilreb•5m ago•0 comments

Gati: Hardware Accelerated DNNs on FPGAs

https://github.com/vicharak-in/Gati
3•hasheddan•8m ago•0 comments

The future of Siri, or: why private inference isn't private enough

https://blog.cryptographyengineering.com/2026/06/09/apples-siri-ai-or-more-shouting-into-the-void...
2•Cider9986•10m ago•0 comments

China Lures Foreign Patients with Cutting-Edge, Cheap Medical Care

https://www.bloomberg.com/news/features/2026-06-10/china-s-medical-tourism-boom-draws-foreign-pat...
2•NewCzech•10m ago•0 comments

A Microsoft Surface flaw allowed unprotected devices to be bricked by a packet

https://www.theregister.com/security/2026/06/12/microsoft-has-mostly-repaired-a-flaw-in-surface-h...
2•Dotnaught•10m ago•0 comments

The ghost domain problem in DNS, and what we're doing about it

https://ohdear.app/news-and-updates/the-ghost-domain-problem-in-dns-and-what-were-doing-about-it
1•Mojah•10m ago•0 comments

Claude Cowork June double usage promotion

https://support.claude.com/en/articles/15400594-claude-cowork-june-2026-usage-promotion
1•dockerd•11m ago•1 comments

Longevity Atlas – every longevity ingredient mapped to its clinical evidence

https://longevity.phycyber.ai/
1•mrjonsonleo•17m ago•0 comments

Show HN: MassCode – A local-first dev workspace, your data is plain Markdown

https://masscode.io/
1•antonreshetov•19m ago•0 comments

Ford CEO's Right to Repair Comment Should Make Every Car Owner Uncomfortable

https://www.thedrive.com/news/ford-ceo-jim-farleys-right-to-repair-comment-should-make-every-car-...
4•RickJWagner•21m ago•1 comments

Weight-loss drugs wipe £780M off Britain's grocery sales

https://www.thegrocer.co.uk/news/weight-loss-drugs-wipe-780m-off-britains-grocery-sales/719985.ar...
1•debo_•22m ago•0 comments

LLM suppliers should offer PR scoped ephemeral keys

1•logged4upvoting•23m ago•0 comments

From AGI to ASI

https://arxiv.org/abs/2606.12683
1•jandrewrogers•25m ago•0 comments

ITScape (CVE-2026-46316): KVM/ARM64 VM escape

https://www.nofire.ai/blog/ITS-arm64-escape
4•_ananos_•26m ago•1 comments

Factoring "short-sleeve" RSA keys with polynomials

https://blog.trailofbits.com/2026/06/12/factoring-short-sleeve-rsa-keys-with-polynomials/
2•ledoge•27m ago•0 comments

Ramp Applied AI Solutions

https://ramp.com/blog/introducing-ramp-applied-ai-solutions
2•gmays•27m ago•0 comments

Type Checking in Agentic Workflows – Conner Nilsen – PyCon US 2026 Typing Summit

https://pyrefly.org/blog/type-checking-agentic-workflows/
2•ocamoss•27m ago•0 comments

OPC UA in Pure PHP: Introducing the PHP-Opcua Project

https://www.php-opcua.com/blog/introducing-php-opcua
2•gianfriaur•28m ago•0 comments

Show HN: 800x faster Linter and TypeScript-Go toolchain for plugins like typia

https://github.com/samchon/ttsc
2•autobe•32m ago•0 comments

The Greatest Story Ever Told (2017)

https://collabfund.com/blog/the-greatest-story-ever-told/
2•thelastgallon•33m ago•1 comments

Show HN: BeamWeaver – LangChain/DeepAgents-style agents and workflows for Elixir

https://github.com/caudena/beam_weaver
2•caudena•33m ago•0 comments

The Future of Work and AI

https://www.wsj.com/tech/ai/economists-weigh-in-on-the-future-of-work-and-ai-f59311e9
3•RickJWagner•33m ago•0 comments

Bablr, next-gen LR parser framework for elegant and efficient language tools

https://bablr.org
2•dgellow•35m ago•0 comments

Show HN: We're inviting Anthropic to put the real Mythos 5 on our open benchmark

https://realvuln.com
3•jfaganel99•35m ago•1 comments

Show HN: Live 3D map of London with planes, trains, buses and boats

https://london.jamespotter.dev/
4•drpancake•40m ago•0 comments

How Comics Are Made

https://howcomicsaremade.com/
2•nate•40m ago•0 comments

LeadLu

https://www.leadlu.com/
2•brevn•40m ago•0 comments

The rise of 'AI slop ' accusations is becoming a new form of gatekeeping

https://www.unite.ai/the-rise-of-ai-slop-accusations-is-becoming-a-new-form-of-gatekeeping/
1•50kIters•43m ago•5 comments