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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/

A weekend with Jev made my coding agents up to 31% faster

https://tyrpien.com/blog/oko-agent-search
1•bartlomein•1m ago•0 comments

Everything you need to know about Jev

https://vercel.com/i/what-is-jev
1•flashbrew•1m ago•0 comments

Show HN: I wrote a story you can investigate with Task Manager

https://pulite.org/
1•lateatdesk•1m ago•0 comments

Assay – Open-source mechanical checker for web pages, no tests, no LLM

https://github.com/awss1i/assay
1•awss1i•2m ago•0 comments

CratePrep – browser-based BPM/key/genre detection for DJ libraries

https://crateprep.app/
1•ANdrwww•2m ago•0 comments

I got to see Google's wild ideas about the future of laptops

https://www.theverge.com/tech/997986/google-googlebooks-android-laptops-dell-hp-lenovo-acer-asus-...
1•shscs911•2m ago•0 comments

A.I. House Can Provide You with Connections. It Also Has a Dark Side

https://www.nytimes.com/2026/09/21/technology/agi-house-ai-culture.html
1•reaperducer•4m ago•0 comments

Google hit with $463M fine for EU location data rule breach

https://abcnews.com/Technology/wireStory/google-hit-463-million-fine-eu-location-data-136616044
1•TechTechTech•6m ago•0 comments

Are You a Money Transmitter

https://faisalkhan.com/resources/interactive-tools/money-transmitter-license-assessment
1•faisalkhan999•7m ago•0 comments

AMD becomes latest chipmaker to reach $1T valuation on AI demand

https://www.reuters.com/business/amd-becomes-latest-chipmaker-reach-1-trillion-valuation-ai-deman...
2•mfiguiere•7m ago•1 comments

Apple auth keys currently having issues

https://appleid.apple.com/auth/keys
1•antoineleclair•9m ago•1 comments

Meta bans ads for Virginia Woolf play in Spain

https://www.theguardian.com/technology/2026/sep/21/meta-ban-virginia-woolf-a-room-of-ones-own-bar...
2•uxhacker•9m ago•0 comments

The Claude Delusion

https://pluralistic.net/2026/09/21/sunsetting/
2•hn_acker•9m ago•0 comments

Show HN: Self Improving AgentOrchestrator Skill

https://github.com/mathaix/claramap-builder
2•mathaix•9m ago•0 comments

Book Review: Is Parallel Programming Hard, and, If So, What Can You Do About It?

https://ahelwer.ca/post/2026-09-21-concurrency-textbook/
1•ahelwer•9m ago•0 comments

OnemanBSD (the selfcontaining OS) was updated

http://bialamusic.com/onemanBSD/
2•OnemanBSD•11m ago•0 comments

Attention is all you have

https://alicegg.tech/2026/09/21/attention
1•zer0tonin•12m ago•0 comments

Agent-First Carbon.now.sh Alternative

https://codeshot.dev/
1•matijash•13m ago•0 comments

Trust AI leaders when they AI is dangerous, but don't trust them when

https://simonlermen.substack.com/p/trust-ai-leaders-when-they-ai-is
2•DalasNoin•13m ago•0 comments

Jevslist

https://jevslist.com
2•xanderatallah•14m ago•1 comments

Noodle Gallery- Open-source, self-hosted alternative to Google Photos and Immich

https://digitalescapetools.com/tools/noodlegallery.html
1•xabd•16m ago•0 comments

Beyond the Hype: The Efficiency-Throughput Gap with GitHub Copilot

https://cacm.acm.org/research/beyond-the-hype-the-efficiency-throughput-gap-with-github-copilot/
1•adunk•16m ago•0 comments

Player Piano

https://en.wikipedia.org/wiki/Player_Piano_(novel)
2•drywater2•16m ago•0 comments

Effort to reduce wasted compute and move towards a greener future

1•adityankale1995•17m ago•0 comments

Petal, a First-of-Its-Kind 1 Petabits Transoceanic Subsea Cable

https://about.fb.com/news/2026/09/announcing-petal-meta-petabit-transoceanic-cable/
2•mfiguiere•19m ago•0 comments

How Serious Are You?

https://nomagicpill.site/thoughts/serious.html
1•surprisetalk•19m ago•0 comments

Markdown in /Src

https://htmx.org/essays/markdown-in-src/
1•facundo_olano•20m ago•0 comments

Atria Dawn: The Dawn of Agentic Superintelligence

https://arxiv.org/abs/2609.15818
1•simonpure•20m ago•0 comments

Beyond jj: config and tools ecosystem

https://andre.arko.net/2026/09/16/beyond-jj-config-and-tools-ecosystem/
2•vinhnx•21m ago•0 comments

Show HN: RankBench – Turn Search Console queries into a content planer

https://rankbench.io
1•hakhil•22m ago•0 comments