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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/

Polymarket cuts ties with Santos as regulators probe trades on Kalshi

https://apnews.com/article/george-santos-polymarket-kalshi-prediction-market-dcc34f4d927d074fe4e1...
1•1vuio0pswjnm7•1m ago•0 comments

Good Teachers Don't Cheat

https://jasonkena.github.io/blog/posts/good_teachers_dont_cheat/
1•RevoGen•2m ago•0 comments

Can I get feedback on my llms.txt file?

https://fyikamran.com/llms.txt
1•kamran210•3m ago•0 comments

A New California Proposal Could Effectively Ban All Aftermarket Tires

https://www.caranddriver.com/news/a71475295/california-could-ban-aftermarket-tires/
1•SilverElfin•3m ago•0 comments

Europe Enters the 'Era of Deportations

https://english.elpais.com/international/2026-06-03/europe-enters-the-era-of-deportations.html
1•rawgabbit•4m ago•0 comments

We have now entered the age of Life-as-a-Service

https://bwanaerp.medium.com/how-did-everything-become-a-subscription-3101951d4769
1•instarlaxy•6m ago•0 comments

1971

https://wtfhappenedin1971.com/
1•matteohorvath•9m ago•0 comments

A minimal linear algebra library in pure Go

https://github.com/igomez10/linearalgebra
1•igomeza•14m ago•0 comments

AI Dark Output: The Visible Cost of Invisible Output

https://newsletter.semianalysis.com/p/ai-dark-output-the-visible-cost-of
1•arthurjj•17m ago•0 comments

Llms.txt is not a docs url dump

https://docsalot.dev/blog/llms-txt-for-saas-docs-what-to-include-and-what-to-skip
2•fazkan•17m ago•3 comments

"They're made out of weights"

https://maxleiter.com/blog/weights
2•MaxLeiter•18m ago•0 comments

Americans Have Grown Dramatically Anti-Data Center

https://gizmodo.com/americans-are-starting-to-really-hate-data-centers-and-its-making-the-tech-in...
3•WarOnPrivacy•22m ago•0 comments

HISE – Toolkit for building VST plugins

https://hise.dev
1•hyperific•25m ago•0 comments

Patreon Refuses to Remove YouTuber's Viral Lego Investigation

https://kotaku.com/lego-star-wars-reckless-ben-youtube-bricks-minifigs-patreon-mormon-mafia-20007...
5•healsdata•37m ago•1 comments

Body, Identity, and Lifetime in SwiftUI

https://jbakerlent.substack.com/p/body-identity-and-lifetime-in-swiftui
1•jbakerlent•40m ago•0 comments

Consensus report on the measurement of the Hubble constant at ∼1% precision

https://www.aanda.org/component/article?access=doi&doi=10.1051/0004-6361/202557993
1•bookofjoe•43m ago•0 comments

Open Source Voice Mode

https://twitter.com/harrycblum/status/2062308968228147254
1•bazlan•44m ago•0 comments

Stigmergy for capability selection in LLM agent loops (skills, tools, MCP)

https://sebastianhanke.substack.com/p/stigmergy-for-capability-selection
1•pssah4•49m ago•0 comments

Show HN: Lookspan – local-first observability for AI agents (npx lookspan)

https://github.com/JoniMartin27/lookspan
1•JoniMartin•50m ago•0 comments

Using AI for Writing Like a Responsible Adult

https://www.thediff.co/archive/using-ai-for-writing-like-a-responsible-adult/
3•Ariarule•52m ago•0 comments

Writing Code vs. Shipping Code: Productivity Effects Across AI Tool Generations

https://www.nber.org/papers/w35275
1•czinck•54m ago•1 comments

Show HN: Dictivo – local-first Mac dictation for $49 once

https://dictivo.app/
2•rswcf•55m ago•0 comments

What Is an Operator?

https://fdeblog.com/what-is-an-operator/
1•realityfactchex•55m ago•1 comments

We're temporarily restricting Show HNs because of an influx

8•cskilbeck•56m ago•3 comments

Babble and Prune

https://www.lesswrong.com/w/babble-and-prune
2•Ariarule•56m ago•0 comments

The Final Word

https://theamericanscholar.org/the-final-word/
2•tintinnabula•58m ago•0 comments

10 Years with Google Glass – Thomas Suarez (2023)

https://tomthecarrot.notion.site/10-years-with-Google-Glass-b39d8268a48d4e1089598316f721d8b4
1•tash_2s•1h ago•0 comments

Grab what you can while you can: The new reality in the South China Sea

https://www.bbc.com/news/articles/cy823n3ln29o
3•breve•1h ago•0 comments

'Driving like teenagers': Waymo robotaxis run red lights, nearly hit pedestrians

https://www.cnn.com/us/waymo-robotaxis-safety-invs
6•breve•1h ago•0 comments

Tony Gilroy Accepts Award for Andor: "Fuck the Empire "

https://kottke.org/26/06/tony-gilroy-accepts-award-for-andor-fuck-the-empire-1
6•jay_kyburz•1h ago•1 comments