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Bloom's two sigma problem (2020)

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

Comments

trane_project•8mo 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/

Dialhome-study/browser-network-insights: Browser networking analysis framework

https://codeberg.org/dialhome-study/browser-network-insights
1•konform•1m ago•0 comments

Nvidia, Microsoft, Amazon in talks to invest up to $60B in OpenAI

https://www.reuters.com/business/retail-consumer/nvidia-microsoft-amazon-talks-invest-up-60-billi...
3•iamflimflam1•9m ago•0 comments

OpenClaw: The AI that actually does things (clawd/molt)

https://openclaw.ai/
2•rgbrgb•11m ago•0 comments

Way AI assistance impacts the formation of coding skills

https://www.anthropic.com/research/AI-assistance-coding-skills
2•vismit2000•11m ago•0 comments

A Project

https://zenodo.org/records/18426446
2•KaoruAK•12m ago•0 comments

'Empire of Madness' calls for 'the end of psychiatry'

https://www.washingtonpost.com/books/2026/01/29/empire-madness-mental-health-care-khameer-kidia-r...
2•Hooke•16m ago•0 comments

Typechecking is undecidable when 'type' is a type (1989) [pdf]

https://dspace.mit.edu/bitstream/handle/1721.1/149366/MIT-LCS-TR-458.pdf?sequence=6
4•zem•21m ago•0 comments

Signify: Securing OpenBSD from Us to You (2015)

https://www.openbsd.org/papers/bsdcan-signify.html
2•jumpocelot•22m ago•0 comments

Go is faster than Swift

https://programming-language-benchmarks.vercel.app/swift-vs-go
2•behnamoh•24m ago•0 comments

Microsoft is working to rebuild trust in Windows

https://www.theverge.com/tech/870045/microsoft-windows-11-issues-rebuilding-trust-notepad
2•JamesAdir•27m ago•0 comments

Top engineers at Anthropic, OpenAI say AI now writes 100% of their code

https://fortune.com/2026/01/29/100-percent-of-code-at-anthropic-and-openai-is-now-ai-written-bori...
3•PessimalDecimal•27m ago•0 comments

Hedge funds' correlation with stocks sparks fears over lack of crash protection

https://www.ft.com/content/8c1d9cfe-1d8f-45d5-9ab1-57fb203a170c
2•petethomas•29m ago•0 comments

Week 3: EE 292P Transistor Physics with Mark Lundstrom (Purdue)

https://hnvr.medium.com/week-3-ee-292p-atoms-bits-and-the-national-interest-the-semiconductor-tec...
1•malchow•32m ago•0 comments

Nerd Fonts

https://www.nerdfonts.com
2•jonbaer•32m ago•0 comments

Agent-Session-Commit

https://github.com/Olshansk/agent-session-commit
1•Olshansky•35m ago•0 comments

Spotify's Crackdown on Anna's Archive Domains Hits a Jurisdiction Snag

https://torrentfreak.com/spotifys-crackdown-on-annas-archive-domains-hits-a-jurisdiction-snag/
1•pabs3•35m ago•0 comments

Template Parameter Deduction: Eliminating Hidden Copies in Generic Code

https://0xghost.dev/blog/template-parameter-deduction/
1•PaulHoule•35m ago•0 comments

OpenClaw – Moltbot Renamed Again

https://openclaw.ai/blog/introducing-openclaw
2•ed•37m ago•0 comments

Show HN: A small reference demo for separating UI stalls from network delays

https://deterministic-stream-demo1.pages.dev/
1•Slaine•38m ago•1 comments

Show HN: JSON dataset of 1,100 trending AI image prompts from X

https://github.com/jau123/nanobanana-trending-prompts
1•jaujaujau•41m ago•1 comments

Fact-checking: Tasks that are hard for humans are easy for AI and vice versa?

https://www.normaltech.ai/p/fact-checking-moravecs-paradox
1•swolpers•46m ago•0 comments

Show HN: Apple Activity Rings, but for Anything

https://orbit-rings.netlify.app
1•abaymado•46m ago•0 comments

When deep reinforcement learning meet trading

https://github.com/zero-was-here/tradingbot
1•solosquad•51m ago•1 comments

Show HN: redb-turbo: redb with page-level compression and encryption

https://github.com/russellromney/redb-turbo
1•russellthehippo•52m ago•0 comments

Show HN: ÆTHRA – Writing Music as Code

2•CzaxTanmay•52m ago•0 comments

Show HN: I made a dev tool that helps vibecoders to AVOID security issues

https://vibeshield.tech/
1•chockslam•53m ago•0 comments

Can AI companies become profitable?

https://epoch.ai/gradient-updates/can-ai-companies-become-profitable
3•signa11•55m ago•0 comments

Do markets make us moral?

https://www.ft.com/content/3c332044-69ca-490a-b710-47c312e1191c
1•paulpauper•56m ago•0 comments

Heritability of intrinsic human life span is about 50% when confounding factors

https://www.science.org/doi/10.1126/science.adz1187
1•paulpauper•56m ago•0 comments

Show HN: I built VanCamera: FOSS, secure, zero-config Android webcam for Windows

https://github.com/danielbolivar/vancamera
10•danielb74•1h ago•1 comments