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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/

DBOS: A Database-Oriented Operating System

https://dbos-project.github.io/blog/intro-blog.html
1•teleforce•6m ago•0 comments

Anthropic's new Agent SDK pricing is a win for Codex

https://clor.com/blog/anthropics-new-agent-sdk-pricing
2•jacobgold•8m ago•0 comments

Show HN: G# –> a new dotnet language like Go/Swift/Kotlin with C# interop

https://davidobando.github.io/gsharp/
1•DavidObando•8m ago•0 comments

WWDC26: Rediscover the HTML select element [video]

https://www.youtube.com/watch?v=ACsHgWwP9Io
1•tambourine_man•9m ago•0 comments

You Can Game AI Peer Review with Presentation-Only Revisions

https://arxiv.org/abs/2606.13044
1•ilreb•9m ago•0 comments

Learning to Measure Time in Love and Loss

https://www.nytimes.com/2013/12/29/fashion/learning-to-measure-time-in-love-and-loss.html
1•ChaseRensberger•13m ago•1 comments

Choose a Claude Plan

https://support.claude.com/en/articles/11049762-choose-a-claude-plan
1•teleforce•14m ago•0 comments

The MDN MCP Server

https://developer.mozilla.org/en-US/blog/introducing-mdn-mcp-server/
1•soheilpro•16m ago•0 comments

UFC to pay White House fighters in crypto issued by Trump company

https://www.theguardian.com/us-news/2026/jun/14/white-house-ufc-fighters-crypto
2•krambs•17m ago•0 comments

Teaching Machine Learning to Software Engineers

https://arxiv.org/abs/2606.14618
1•ilreb•21m ago•0 comments

Using OSINT to find the real One Piece ocean drop location [video]

https://www.youtube.com/watch?v=eY-W9gmwxhg
1•phyzix5761•23m ago•0 comments

Nvidia Is the Federal Reserve of AI

https://ramansharma.substack.com/p/nvidia-is-the-federal-reserve-of
2•intrepidsoldier•31m ago•0 comments

Show HN: Dream Server – Turn your PC, Mac, or Linux box into a private AI server

https://github.com/Light-Heart-Labs/DreamServer
2•dreamserver•31m ago•0 comments

Horizons JPL Solar System Data Demo and NASA DSN Updates: Datastar, Common Lisp

https://horizons.lambda-combine.net/
1•adityaathalye•35m ago•0 comments

Inside the 24 hours that led to pulling Fable 5

https://www.businessinsider.com/why-white-house-ordered-export-controls-anthropic-mythos-fable-20...
3•twostorytower•42m ago•0 comments

Ask HN: What did you think of Apple's announcements around their 27 OS releases?

1•Austin_Conlon•50m ago•0 comments

Enterprise AI Agents Are Leaving the Server

https://focused.io/lab/enterprise-ai-agents-are-leaving-the-server
1•mooreds•54m ago•0 comments

British forces intercept Russian shadow fleet tanker in the Channel

https://www.reuters.com/world/europe/uks-starmer-says-armed-forces-intercepted-russian-shadow-fle...
2•MilnerRoute•54m ago•0 comments

I built a defense procurement marketplace – free for vendors

https://birka.ai
1•jaywashere•55m ago•0 comments

Agentic Credit Card MCP

https://robinhood.com/us/en/support/articles/agentic-credit-card/
1•barbacoa•1h ago•0 comments

Pyhn 0.4.0: Hacker News in your terminal

https://github.com/toxinu/pyhn
3•toxinu•1h ago•0 comments

Surge in scams as fraudsters use AI to target people

https://www.bbc.com/news/articles/cwykp9ygxlvo
3•1659447091•1h ago•0 comments

Monitoring LLM Inference with Prometheus and Grafana (vLLM, TGI, Llama.cpp)

https://www.glukhov.org/observability/monitoring-llm-inference-prometheus-grafana/
1•nryoo•1h ago•0 comments

Even More Batteries Included with Emacs

https://karthinks.com/software/even-more-batteries-included-with-emacs/
16•signa11•1h ago•0 comments

The next frontier of innovation is coming back to the physical world

https://productnow.ai/blogs/a-dose-of-hope-for-the-future
1•kadhirvelm•1h ago•0 comments

Smashed Toilet Phone Web Server

https://www.offthebricks.com/articles/smashed-toilet-phone-web-server
2•mircerlancerous•1h ago•0 comments

DBOS Network Sensing: A Web Services Approach to Collaborative Awareness

https://arxiv.org/abs/2509.09898
2•teleforce•1h ago•0 comments

Decouple the Agent: Why Prompts, Tools, and Models Don't Belong in Your Client

https://vivgrid.com/decoupling-prompts-tools-models-from-agent-client
6•fanweixiao•1h ago•0 comments

AI Has Amnesia. Here's Every System Built to Fix It

https://medium.com/@alanayalag/your-ai-has-amnesia-heres-every-system-built-to-fix-it-ad7dee117a75
7•AlanAAG•1h ago•1 comments

Ask HN: How do you design CLIs for agents?

2•vokneruk•1h ago•0 comments