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Bloom's two sigma problem (2020)

https://nintil.com/bloom-sigma
8•Tomte•6mo ago

Comments

trane_project•6mo 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/

Searching: Cybersecurity Classes

1•prospopa•41s ago•0 comments

Man shocks doctors with extreme blood pressure, stroke from energy drinks

https://arstechnica.com/health/2025/12/man-shocks-doctors-with-extreme-blood-pressure-stroke-from...
1•canucker2016•1m ago•1 comments

The unlikely photo that kickstarted the social web (2016)

https://www.bbc.com/future/article/20160224-the-unlikely-photo-that-kickstarted-the-social-internet
1•1659447091•2m ago•0 comments

The Bet on Juniors Just Got Better

https://tidyfirst.substack.com/p/the-bet-on-juniors-just-got-better
1•gmays•4m ago•0 comments

Three Dogs Stroll

https://old.reddit.com/r/Pareidolia/comments/1jd5fro/three_dogs_stroll/
1•susam•7m ago•0 comments

JPM the Java Package Manager

1•sunnykentz•10m ago•0 comments

We unpack the journey from pivot hell to product-market fit [video]

https://www.youtube.com/watch?v=X1_WTh3Sm4c
1•rchachra•11m ago•0 comments

Lite^3, a JSON-Compatible Zero-Copy Serialization Format

https://github.com/fastserial/lite3
1•cryptonector•11m ago•1 comments

I Prefer Machines to Write My Code

http://verisimilitudes.net/2025-12-12
1•arlyle•11m ago•0 comments

EU Council introduces a €3 customs duty on every parcel. Starting July 1, 2026

https://twitter.com/EUCouncil/status/1999509838083010621
2•mickelsen•18m ago•0 comments

Nex gaming console – year's hottest toy?

https://www.wsj.com/business/entrepreneurship/nex-playground-toy-game-console-holiday-shopping-af...
2•gsanghera•19m ago•1 comments

Childhood instability accelerates women's sexual strategies, study suggests

https://medicalxpress.com/news/2025-12-childhood-instability-women-sexual-strategies.html
2•PaulHoule•20m ago•0 comments

The First Internal Evaluation of the Faust Baseline Version 2.5

https://www.intelligent-people.org/2025/12/11/the-first-internal-evaluation-of-the-faust-baseline...
1•micvicfaust9•21m ago•0 comments

AI is part of Linux's plumbing – whether developers like it or not

https://www.zdnet.com/article/ai-is-part-of-linux-plumbing-developers/
1•CrankyBear•21m ago•0 comments

Where CC Stands on Pay-to-Crawl

https://creativecommons.org/2025/12/12/where-cc-stands-on-pay-to-crawl/
1•xngbuilds•25m ago•0 comments

CISA orders federal agencies to patch GeoServer flaw

https://www.scworld.com/news/cisa-orders-federal-agencies-to-patch-geoserver-flaw
2•Bender•27m ago•0 comments

New AI X Youth empowerment focused Initiative in Alabama

https://bld.al/
1•peauts•27m ago•0 comments

315lbs Bench –| 225lbs Squat cofounder needed

https://gymboard.multisync.io
1•ahmedhussam1053•30m ago•0 comments

A Centralized Database of All Math (2024)

https://ista.ac.at/en/news/a-centralized-database-of-all-math/
1•gone35•32m ago•0 comments

Emacs Propaganda: I wrote a thing for Emacs, but don't call it a "plugin"

https://www.youtube.com/watch?v=jwH3B1vHqvQ
1•iLemming•33m ago•1 comments

Diablo Canyon moves a step closer to staying open

https://www.sanluisobispo.com/news/local/environment/article313620974.html
1•Bender•37m ago•0 comments

Wine 11.0-rc2 Released With 28 Known Bug Fixes

https://www.phoronix.com/news/Wine-11.0-rc2
1•Bender•39m ago•0 comments

We've cracked how to make random numbers

https://www.newscientist.com/article/2494268-weve-finally-cracked-how-to-make-truly-random-numbers/
2•Anon84•39m ago•0 comments

Thought Colleague Was a Traitor for Teaching Students to Use AI. Then We Talked

https://thewalrus.ca/teaching-students-to-use-ai/
1•pseudolus•40m ago•0 comments

How the Bell Labs Holmdel Complex Inspired 'Severance'

https://www.atlasobscura.com/articles/podcast-bell-labs-holmdel-complex
1•SerCe•40m ago•0 comments

Intel CEO Lip-Bu Tan was investor and adviser to firm sanctioned for China deals

https://www.oregonlive.com/silicon-forest/2025/12/intel-ceo-lip-bu-tan-was-investor-and-adviser-t...
4•osnium123•40m ago•0 comments

Review of Medical Cannabis Use Finds Little Evidence of Benefit

https://www.nytimes.com/2025/12/12/health/medical-cannabis-benefits.html
3•pseudolus•42m ago•3 comments

Divinity

https://divinity.com/
1•robenkleene•42m ago•0 comments

The surprising longevity lessons from the oldest animal

https://www.newscientist.com/article/2497719-the-surprising-longevity-lessons-from-the-worlds-old...
2•Anon84•43m ago•0 comments

a16z: In 2026, Venture Capital will eat Private Equity

https://twitter.com/tkexpress11/status/1998852154510217325
1•e2e4•50m ago•0 comments