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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: Snip – Terminal notes app that Claude can read and write via MCP

https://github.com/jerichosiahaya/snip
1•ikigaineo•1m ago•0 comments

N-Body Problem:Exploring the N-body problem through information theory

https://github.com/quantiota/N-Body-Problem
1•quantiota•2m ago•0 comments

Show HN: Web server with built-in metrics and analytics dashboard for any sites

https://github.com/Qbix/webserver/blob/main/docs/METRICS.md
1•EGreg•2m ago•0 comments

What If We Stopped Using GPUs? [video]

https://www.youtube.com/watch?v=xc2FTBGRSJo
2•sandslash•4m ago•0 comments

Prozac use for childhood depression skewed by single flawed medical trial

https://www.nature.com/articles/d41586-026-02769-x
1•sbulaev•6m ago•0 comments

Leaderboards and speedrun.com's new terms of service

https://therun.gg/blog/leaderboards-speedruncom
2•Kayvanian•6m ago•0 comments

AI didn't kill programming, you did

https://learncodethehardway.com/blog/39-ai-didnt-kill-programming-you-did/
1•chanux•8m ago•1 comments

Small Long Covid antibody trial had one striking before/after gut tissue result

https://www.nature.com/articles/s41467-026-77925-y
1•thenerdhead•8m ago•0 comments

Show HN: I'm color blind, so I built a way to show people how I see

https://www.josh.ing/howisee
2•jshchnz•8m ago•0 comments

Migrating 300 namespaces from self-hosted Temporal to Temporal Cloud

https://www.coinbase.com/blog/migrating-namespaces-from-self-hosted-temporal-to-temporal-cloud
1•dukebartnik•9m ago•0 comments

Rethinking LLM Serving with System One Models

https://supercomputing-system-ai-lab.github.io/blogs/rethinking-llm-serving-with-jev/
1•matt_d•10m ago•0 comments

From the creator of Redis; run LLM locally with ds4

https://dwarfstar.sh/
1•fibo•12m ago•0 comments

New tool means no more CAD needed when 3D print desiging

https://www.partforge.ai/blog/welcome
1•siosio•13m ago•0 comments

A couple tiny Codex TUI features

https://www.brandur.org/fragments/codex-tui-tiny-features
1•aray07•13m ago•0 comments

Qubes OS 4.3.2 has been released

https://www.qubes-os.org/news/2026/10/02/qubes-os-4-3-2-has-been-released/
1•andrewdavidwong•17m ago•0 comments

I have used GPT-6 Astra to decipher two Catholic League letters from 1593

https://twitter.com/deredleritt3r/status/2106067480326119726
1•tosh•18m ago•0 comments

Buying an RTX 5090? You Need to Promise You Won't Export It First

https://www.extremetech.com/computing/buying-an-rtx-5090-you-need-to-promise-you-wont-export-it-f...
1•speckx•20m ago•0 comments

Show HN: 78,000 free books to my "Pomodoro for books" Mac app

https://bookidoro.app/
2•geekhunt•22m ago•0 comments

Kiwi. A Windows-native modal terminal editor with WASD navigation

https://github.com/0x4D696E61/Kiwi
1•0x4D696E61•23m ago•0 comments

Postgres is now the most efficient search database at scale

https://www.databricks.com/blog/lakebase-search-state-art-full-text-and-vector-search-postgres
1•moonikakiss•24m ago•0 comments

Ask HN: If you had an unlimited token budget, what would you build?

3•lyton•24m ago•3 comments

There's a New Sea Spider in Town

https://nautil.us/theres-a-new-sea-spider-in-town-1285470
1•whiteblossom•24m ago•0 comments

Show HN: Arda – Marketing agents to help brands win Google and AI Search

https://www.ardainc.com
1•daneshbadlani•25m ago•0 comments

Jev for Python Engineers

https://vercel.com/blog/jev-for-python-engineers
1•RedCrowbar•25m ago•0 comments

MIT Alumni Forum: The Collision: What AI Does to Us [video]

https://www.youtube.com/watch?v=waQ4uuCUrJY
1•clintonb•26m ago•0 comments

Anthropic Nearly Walked Out on Pope Leo XIV's AI Encyclical

https://www.thelettersfromleo.com/p/nyt-anthropic-nearly-walked-out-on
3•hliyan•26m ago•1 comments

Show HN: Levenshtein – Curated Go lint rules and CI checks

https://github.com/wangjohn/levenshtein
1•johnjwang•27m ago•0 comments

US job growth slows sharply in September; unemployment rate rises to 4.2%

https://www.reuters.com/business/us-job-growth-slows-sharply-september-unemployment-rate-rises-42...
2•frank_clover•27m ago•0 comments

Amundsen's Maxim

https://www.amundsens-maxim.com/
1•theanonymousone•28m ago•0 comments

After 15 years, I am leaving tech

https://hey.georgie.nu/end-of-an-era/
2•speckx•28m ago•0 comments