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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/

The Impact of AI on Creatives – Dave Clayton

https://glyndewis.com/blog/impact-of-ai-on-creatives
1•saikatsg•42s ago•0 comments

Free fan game – Mages PvP

https://magespvp.com/
2•vpvladimirov•3m ago•0 comments

Faaast: Intermittent Fasting Tracker

https://faaastapp.com/
3•tnsrig•3m ago•1 comments

Here's How Unequal Swedish Schools Are

https://www.sverigeisiffror.se/en/verktyg/sa-ojamlik-ar-den-svenska-skolan
2•vienno•4m ago•0 comments

A 2^O(n) Time Algorithm for 3-SAT

https://github.com/anthropics/formal-math/tree/16a5ce41304fcdaea4e0be7c132e1c361dc26da5/eth
2•nryoo•8m ago•0 comments

Bob Woodward spills his 'Secrets'

https://www.washingtonpost.com/investigations/2026/10/26/bob-woodward-spills-secrets-his-journali...
2•Michelangelo11•16m ago•0 comments

OpenZL: Using Graphs To Compress Smaller And Faster

https://ieeexplore.ieee.org/abstract/document/11629332
2•optimalsolver•18m ago•0 comments

Talk to Noor – AI interviewer that speaks English and Arabic

https://www.talktonoor.com
2•anirudhlolla•23m ago•0 comments

Show HN: I built this ASO tool to help you get more users for your iOS apps

https://asonix.io
2•guivr•23m ago•0 comments

Repairing Broken Access Control in Web Applications with LLMs

https://arxiv.org/abs/2610.34290
2•50kIters•25m ago•0 comments

Chemical companies scientists tracked early microplastics risks

https://www.latimes.com/environment/story/2026-10-26/industry-executives-knew-for-decades-about-m...
2•naves•26m ago•0 comments

FTC files complaint against Dollar General for pricing practices – AP News

https://apnews.com/article/federal-trade-commission-dollar-general-prices-1b572418c750c6abe491166...
1•adm4•29m ago•0 comments

The CIA Sabotage Manual for Product Organizations

https://www.leadinginproduct.com/p/sabotage-manual-product-management
2•benkan•30m ago•0 comments

GMO tells account holders to prepare for the worst as hackers threaten exposure

https://www.japantimes.co.jp/news/2026/10/27/japan/crime-legal/gmo-computer-shutdown/
1•anigbrowl•31m ago•0 comments

Anthropomorphic Tells Investors Its Product Could End Humanity

https://dsrupt.news/articles/anthropomorphic-tells-investors-its-product-could-end-humanity-sends...
1•zippiest•31m ago•0 comments

Sentio Mind

https://play.google.com/store/apps/details?id=com.sentiomind&hl=en_US
1•sir_arthur_morg•31m ago•0 comments

DoveORM – Small, security-hardened Python ORM with built-in migrations

https://github.com/imaradesk/doveorm
1•tituskilunda•33m ago•0 comments

Open Source TradingView-style charts, TPO market profile, footprint, liquidation

1•rsalianto•33m ago•0 comments

Broadcom WPS flaw leaves routers exposed to over-the-air takeover

https://meridian.news/p/8039333079430032961/
2•netgate•36m ago•0 comments

Localhosting with Yggdrasil

https://medium.com/@peterretief/localhosting-with-yggdrasil-or-how-the-internet-was-supposed-to-w...
1•peter_retief•39m ago•0 comments

Python on My Wrist

https://tildeweb.nl/~michiel/python-on-my-wrist.html
3•roywashere•46m ago•0 comments

Stop Explaining Yourself to AI

https://www.chele.bi/videos/stop-explaining-yourself-to-ai
1•epestr•47m ago•0 comments

Show HN: University of Malta LaTeX dissertation template, easily adapted

https://github.com/jp-um/university_of_malta_LaTeX_dissertation_template
2•malteseunderdog•48m ago•0 comments

Hello, Graphite: Performance

https://wcandillon.dev/article/hello-graphite-performance
1•frostbyte7•48m ago•0 comments

The 3DS Oracle: Bin Attack via the Network

https://arxiv.org/abs/2610.32206
1•cswasif•49m ago•0 comments

ThreatLens v2.3 Is Now Live Introducing Privacy Controls, IOC Watchlist

https://github.com/AbdaullahAG/ThreatLens
1•AbdallahAG•50m ago•0 comments

Make Quizzes with Your Friends

https://www.instagram.com/reel/DdpRlfdpBpk/
1•E-Reverance•51m ago•1 comments

AI Rap Video

https://www.memeaivideo.com
1•daisyjin•51m ago•0 comments

New Python security updates explicitly block the eMudhra certificates by SPKI

1•zahlman•53m ago•0 comments

Copyparty – file sharing server in a single Python file

https://copyparty.eu/
3•jllyhill•54m ago•1 comments