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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/

Show HN: Trainlint, static checks for ML bugs that don't crash

https://github.com/Satvik-jain/trainlint
1•admiral-mini-8b•2m ago•0 comments

Synaptics Appears to Use Legal Threats to Block Open-Source DisplayLink Driver

https://www.phoronix.com/news/Synaptics-Blocks-Vino-Driver
1•snvzz•4m ago•0 comments

Fake-download campaign uses trojanized installers

https://www.microsoft.com/en-us/security/blog/2026/11/03/fake-download-campaign-uses-trojanized-i...
1•mariuz•5m ago•0 comments

AMD Instinct MI350P First Look: 144GB HBM3E in a 600W PCIe Card

https://www.storagereview.com/review/amd-instinct-mi350p-first-look
1•rbanffy•6m ago•0 comments

Show HN: Agent-screenplay – Create beautiful screen recordings with one prompt

https://github.com/gmpetrov/agent-screenplay
2•gptrv•8m ago•0 comments

Nvidia Updates Rubin GPU Specs as First Production Hardware Arrives

https://www.servethehome.com/nvidia-updates-rubin-gpu-specs-as-first-production-hardware-arrives/
1•rbanffy•8m ago•0 comments

Researchers develop a biocomputer that runs on bacteria

https://www.mcgill.ca/newsroom/channels/news/mcgill-researchers-develop-biocomputer-runs-bacteria...
1•giuliomagnifico•10m ago•0 comments

Wargame: 2027 – 2029

https://elviovicosa.com/war/
1•elvio•11m ago•0 comments

Renewable electricity – best buffer against gas price volatility

https://www.eea.europa.eu/en/analysis/publications/renewable-electricity-buffering-gas-prices
1•doener•13m ago•0 comments

RTX 5090 Street Prices Top $9k as Nvidia GPU Costs Climb

https://aroundprague.cz/en/news/us/rtx-5090-street-prices-top-9-000-as-nvidia-gpu-costs-climb
12•teleforce•16m ago•7 comments

AI coding agents are installing abandoned MCP servers with known security issues

https://www.glow.io/blogs/mcphantom-ai-coding-agents-are-installing-vulnerable-deprecated-mcp-ser...
1•zomtorg•20m ago•1 comments

NetBSD 11.1

https://www.netbsd.org/releases/formal-11/NetBSD-11.1.html
2•birdculture•22m ago•0 comments

Encore – a simple way to build on AWS and GCP

https://encore.dev
4•yolocomba•23m ago•0 comments

Canadian publisher: Orelien used AI to write award-winning book; ends relation

https://www.msn.com/en-us/technology/artificial-intelligence/canadian-publisher-says-thelyson-ore...
2•isolli•23m ago•0 comments

Show HN : I built Caloi AI – an AI-powered calorie tracker

https://play.google.com/store/apps/details?id=com.caloi.app&hl=en_US
2•sonuhs123456•31m ago•0 comments

Wireless dictation device with gestures to control your Claude sessions, etc. [video]

https://www.youtube.com/watch?v=BsSTbleas8E
1•oskob•31m ago•0 comments

Scientists discover a secret glow in toxic fire salamanders

https://www.sciencedaily.com/releases/2026/10/261027063707.htm
1•bryanrasmussen•31m ago•0 comments

Running quantum circuits inside llama.cpp

https://github.com/dakk/qullama
2•dakkk•33m ago•0 comments

The Engineer's Laptop Is the New Front Door

https://www.ossprey.com/blog/why-attackers-target-engineers
1•hiddenvulkcan•34m ago•0 comments

Told to reboot a server, it destroyed systemd, destroyed containers, ran random

https://github.com/openai/codex/issues/59060
24•jstanley•34m ago•10 comments

FlowNerves Nerve Support Reviews 2026

https://bookshop.org/lists/flownerves-nerve-support-reviews-2026
1•bayswajo•37m ago•0 comments

Intel 14A moves closer to production as PDK 0.9 becomes available

https://www.tomshardware.com/tech-industry/semiconductors/intel-14a-moves-closer-to-production-as...
2•rbanffy•37m ago•0 comments

Pavel

1•manicatide•39m ago•0 comments

Show HN: Tab Trail, a bookmarklet that draws a page's tab order and finds gaps

https://matjazkorosec.com/tools/tab-trail
1•matjazkorosec•39m ago•0 comments

We review every PR with a 27B model on self-hosted infra

https://varoa.net/2026/11/03/we-review-every-pr-with-a-27b-model-on-self-hosted-infra.html
1•srvaroa•39m ago•0 comments

IconMCP – autonomous icon library built by agents

https://iconmcp.com/
1•agilek•40m ago•0 comments

A Primer on Ethics in Mathematics

https://arxiv.org/abs/2610.08209
1•Qision•40m ago•0 comments

Show HN: Alternative to Nvidia Auto-Ontology

https://github.com/GetCassis/ontology-skills
1•matthieu_bl•41m ago•0 comments

I love my T3 Code development workflow

https://unbeholden.dev/blog/t3-code-in-every-dev-container
1•unbeholden•41m ago•0 comments

I tried to break weight programming

https://flecart.github.io/posts/2026-11-03-i-tried-to-break-weight-programming/
1•flecart•43m ago•0 comments