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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 1h halt after vendor compromise; affected users will be 'made whole'

https://www.nbcnews.com/business/consumer/polymarket-trading-halt-hack-wallets-rcna606405
1•theanonymousone•2m ago•0 comments

Show HN: Sketch Stadium – watch your agent play Pictionary

https://sketch.wakeshift.ai/
2•ericlevine•3m ago•0 comments

Deskpilot

https://kevinbpatel.com/blog/deskpilot
1•kevinbpatel•3m ago•0 comments

Altman sympathizes with mathematicians, but says OAI's math onslaught won't stop

https://www.theverge.com/ai-artificial-intelligence/1023054/altman-cheeky-pint-ai-math-interview
1•theanonymousone•5m ago•0 comments

Show HN: Dbprint – Database Context for Agents

https://github.com/jakubro/dbprint
1•jakubro•6m ago•0 comments

Webpage Copy-Protection is Impossible (and that's great)

https://danq.me/2026/10/13/webpage-copy-protection-is-impossible-and-thats-great/
1•surprisetalk•6m ago•0 comments

What agents see when they search MCP tools

https://www.babush.me/how-agents-search-mcp-tools.html
1•babush•6m ago•0 comments

`We love how we look but AI tried to 'fix' our visible differences`

https://www.bbc.com/news/articles/cmx28e44xxx7o
2•theanonymousone•7m ago•0 comments

Touchscreen MacBook Pro's New Hinge Linked to iPhone Duo 2

https://www.macrumors.com/2026/10/28/macbook-pro-hinge-iphone-duo-2/
1•bookofjoe•10m ago•0 comments

UK ministers had time for AI datacenter bosses, but not for environmental groups

https://www.theregister.com/on-prem/2026/10/27/uk-ministers-had-plenty-of-time-for-ai-datacenter-...
1•robtherobber•12m ago•1 comments

Anthropic buys Mithril Medicine, a one-person biotech

https://www.rdworldonline.com/anthropic-acquires-mithril-medicine-one-person-biotech/
1•Anon84•13m ago•0 comments

"We believe in rough consensus and running code"

https://www.ietf.org/runningcode/
1•mooreds•13m ago•0 comments

XSS in Yarr

https://0x67673068.me/xss-in-yarr/
1•ndr•15m ago•0 comments

Northflank Breached

https://status.northflank.com
1•js4ever•15m ago•0 comments

GOOG is now defaulting to search output again rather than defaulting to Gemini

https://www.reddit.com/r/stocks/comments/1xj04r1/goog_is_now_defaulting_to_search_output_again/
3•busymom0•15m ago•0 comments

1M Satellites – A Threat to Our Souls

https://josephkreydt.substack.com/p/stars
1•jcirclee•16m ago•1 comments

NPM, "estee" is not a typo of "testem"

https://smoores.dev/post/no_npm_estee_is_not_a_typo/
2•tefkah•17m ago•0 comments

Optimize Product Discovery for Time to First Dollar

https://pawelbrodzinski.substack.com/p/optimize-product-discovery-for-time
1•flail•17m ago•0 comments

Andreas Malm Denied Entry to the UK to Speak at Tribune Event

https://tribunemag.co.uk/2026/10/andreas-malm-denied-entry-to-the-uk-to-speak-at-tribune-event
2•slowin•18m ago•0 comments

Proton is AI-pilled and calls caution "loser thinking"

https://werd.io/proton-is-ai-pilled-and-calls-caution-loser-thinking/
1•amcclure•19m ago•1 comments

Finding stale Snowflake streams with the ACCOUNT_USAGE.STREAMS view [video]

https://www.youtube.com/shorts/_vQomnfJnmI
1•yanivleven•19m ago•0 comments

We've built the fastest way to create a one-click remote MCP server by mistake

https://appwrite.io/blog/post/one-click-remote-mcp-server-by-mistake
2•eldad_fux•19m ago•0 comments

The Apple Pencil turned the Duo into my new favorite notebook

https://www.theverge.com/tech/1022894/iphone-duo-apple-pencil-hands-on
2•dkobia•21m ago•0 comments

Collaborative retreat: New developments in the theory of zeta functions

https://terrytao.wordpress.com/2026/10/30/collaborative-retreat-new-developments-in-the-theory-of...
1•smilelamp•21m ago•0 comments

Adjusting Imports of Robotics, Industrial Machinery and Their Parts

https://www.whitehouse.gov/presidential-actions/2026/10/adjusting-imports-of-robotics-industrial-...
2•arunc•21m ago•0 comments

Shrinking NixOS RAM footprint and resource requirements to the bare minimum

https://lowendspirit.com/discussion/11543/shrinking-nixos-ram-footprint-and-resource-requirements...
1•wrxd•22m ago•0 comments

MuGlobe – Explore World Music on an Interactive Globe

https://muglobe.com/
1•eustoria•22m ago•1 comments

Show HN: Omneum – Local, text-blind context control plane for AI agents

https://github.com/cole-h06/omneum
1•cole_dev•22m ago•0 comments

Show HN: Nexus, a calorie and workout planner inside ChatGPT and Claude

https://nexus.kushalsm.com/
1•Kushalzen•23m ago•0 comments

Russia Adds Apple and Microsoft to State Surveillance Registry

https://www.bloomberg.com/news/articles/2026-10-28/russia-adds-apple-and-microsoft-to-state-surve...
1•tosh•23m ago•0 comments