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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/

Stochastics

https://stochastics.vercel.app/
1•talos-better•2m ago•0 comments

Chinese Supercomputer Overtakes U.S. as World's Fastest

https://www.wsj.com/tech/ai/chinese-supercomputer-overtakes-u-s-as-worlds-fastest-d0f8dbff
1•bookofjoe•3m ago•1 comments

Show HN: GDPRedirect – Become EU compliant in one line of code (satire)

https://gdpredirect.com
1•apwn•3m ago•0 comments

Strong Earthquake Felt in Caracas, Venezuela - Reuters Witness

https://twitter.com/cgtnamerica/status/2069905400963404242
1•mikhael•5m ago•0 comments

Maturana: Hardware-isolated, zero-trust agent harness

https://github.com/ajensenwaud/maturana
1•hestefisk•8m ago•0 comments

New Study Shows That Tall Hoods Cause Deaths per Year

https://www.caranddriver.com/news/a71663782/study-vehicle-hood-height-pedestrian-safety/
2•breve•9m ago•0 comments

Show HN: Clearthesis – Get a clear investment thesis for any public US company

https://www.clearthesis.ai/home
1•kumaramit0703•9m ago•0 comments

Congress passes largest housing affordability bill and Trump cancels signing

https://www.npr.org/2026/06/23/nx-s1-5867575/congress-passes-housing-affordability-bill
3•sizzle•10m ago•0 comments

OmniIDE 1.0.4 by OmniNodeCo Released

https://github.com/OmniNodeCo/OmniIDE/releases/tag/v1.0.4
1•OmniNodeCo•11m ago•0 comments

LLMs use "safety" specific neuron layers to identify vulnerabilities in code

https://arxiv.org/abs/2605.29901
1•summarity•13m ago•0 comments

Save Design: Elements Library

https://save.design/explore
1•handfuloflight•13m ago•0 comments

unrot your brain newsletter · issue #1

https://readpondercom.substack.com/p/unrot-your-brain-newsletter-issue
1•wingdiction•13m ago•0 comments

Talos: Scaling rare disease diagnosis by automated, iterative genomic reanalysis

https://www.microsoft.com/en-us/research/blog/talos-scaling-rare-disease-diagnosis-with-automated...
1•femto•15m ago•1 comments

I Built a Zero-Trust Resume Pipeline to Stop AI from Hallucinating

https://github.com/Gotili/EigenCV
1•g0tili•18m ago•0 comments

A24 Knows You're Mad About the Google AI Collab

https://www.wired.com/story/a24-knows-youre-mad-about-the-google-ai-collab/
3•nate•18m ago•1 comments

How We Securely Serve a Large Agent Fleet on a Small Infra Footprint

https://gluondb.com/blog/how-we-securely-serve-a-large-agent-fleet
4•slopranker•19m ago•1 comments

AI Browser Game Jam 3 submissions closed with 85 AI-assisted browser games

https://itch.io/jam/ai-game-jam-3/entries
1•KilledByAPixel•22m ago•1 comments

Micron stock jumps 12% as memory crunch lead to quadrupling of revenue

https://www.cnbc.com/2026/06/24/micron-mu-earnings-report-q3-2026.html
6•mgh2•23m ago•0 comments

PICO: Performance Insights for Collective Operations

https://ieeexplore.ieee.org/document/11520486
1•matt_d•24m ago•0 comments

My 75-Year-Old Dad Just Replaced Me with AI

https://suyuen.medium.com/my-75-year-old-dad-just-replaced-me-with-ai-bfd716157516
2•su_yuen•24m ago•2 comments

Obsidian-Inspired Social Network

https://aphant.dev
2•Aikaros•27m ago•0 comments

$7k Induction Cooktop Gets Smoking Hot in Two Seconds

https://www.nytimes.com/wirecutter/reviews/impulse-cooktop-review/
5•carabiner•27m ago•1 comments

Crimea's big cities in total blackout after Ukrainian drone strikes

https://www.ft.com/content/7107a1c1-8025-4237-947f-40fa39c9d2fe
4•JumpCrisscross•27m ago•0 comments

Elastic lays off 7% of employees

https://www.elastic.co/blog/ceo-ash-kulkarni-announcement-to-elastic-employees
14•dakrone•28m ago•2 comments

China moves forward with ethnic unity initiative

https://uk.news.yahoo.com/china-says-target-people-overseas-062038094.html
4•indoorfish•28m ago•0 comments

AI writes the code. Taskachu runs the project

https://taskachu.com
1•ndha•29m ago•0 comments

Is There a 'Vienna School of Agentic Coding'? [video]

https://www.youtube.com/watch?v=5mgde2Br4ik
1•raybb•31m ago•0 comments

How we built the fastest API for GLM-5.2

https://www.baseten.co/blog/how-we-built-the-worlds-fastest-api-for-glm-52/
3•Philpax•32m ago•0 comments

Same flaw, opposite verdict: what counts as a vulnerability in AI agents?

https://medium.com/@nikrig/same-flaw-opposite-verdict-ai-agents-cant-agree-what-counts-as-a-secur...
1•nrig•32m ago•0 comments

OmniHai: A Java framework for all major AI providers

https://omnihai.org/
1•henk53•36m ago•0 comments