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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/

Gleam Case Exhaustiveness, as a Fan

https://oyster.pckt.blog/gleam-case-exhaustiveness-as-a-fan-fd4whyp
1•oystercafe•10m ago•0 comments

P101 – Field of Work

https://rtnf.substack.com/p/p101-field-of-work
1•altilunium•13m ago•0 comments

Does YC use AI agents to review your pitch?

1•AravPhi•17m ago•0 comments

Prompt areas are built the wrong way

1•bumicodes•20m ago•0 comments

Rogue Anthropic AI agent gave police fake tip in unsolved murder case

https://www.bbc.co.uk/news/articles/cqkg50j1yd5lo
3•vinni2•20m ago•0 comments

Agent Mode in the DuckDB CLI

https://duckdb.org/2026/10/09/agent-mode
1•theanonymousone•21m ago•1 comments

Book Review: We Present Television

https://www.astralcodexten.com/p/your-book-review-we-present-television
1•Bluestein•21m ago•0 comments

Nvidia reportedly discontinuing RTX 5090, GB202 to be reserved for RTX PRO serie

https://videocardz.com/newz/nvidia-reportedly-discontinuing-rtx-5090-gb202-gpus-to-be-reserved-fo...
1•nixass•21m ago•0 comments

Diogo Almeida, the Ateneo maths kid behind Jev's $7.5B valuation

https://ai.sulat.com/diogo-almeida-the-ateneo-maths-kid-behind-jevs-7-5b-raise-2a58cb6f1c05
1•zenoware•23m ago•0 comments

Chess and Minesweeper. 5 mines left

https://droblin.itch.io/5-mines-left
1•viach•30m ago•0 comments

Claude agents can now write their own multiagent workflows

https://platform.claude.com/docs/en/managed-agents/multiagent-orchestration
1•joshcsimmons•31m ago•0 comments

Leon Theremin

https://en.wikipedia.org/wiki/Leon_Theremin
2•eamag•32m ago•0 comments

If your team is too busy doing their 'normal job' to experiment with AI

https://ghuntley.com/replaced/
1•nnx•35m ago•0 comments

U.S. Just Bet $1B on Quantum Chip Manufacturing

https://spectrum.ieee.org/anderon-quantum-fab
1•giuliomagnifico•35m ago•0 comments

Analysis and Visualization of the Linux Kernel's Software Evolution

https://arxiv.org/abs/2610.09910
2•jruohonen•41m ago•1 comments

Xicago Mono: Classic macOS font for your terminal

https://ideasman42.codeberg.page/font-xicago-mono/
2•ideasman42•42m ago•1 comments

Show HN: Minimal documentation tool that expands code blocks in Markdown files

https://github.com/aartur/docexp
1•aartur•42m ago•0 comments

Monowitz Concentration Camp

https://en.wikipedia.org/wiki/Monowitz_concentration_camp
1•joebig•42m ago•0 comments

Kubernetes on cgroup v1 is dead. Here's what comes next

https://thenewstack.io/kubernetes-node-swap-ai/
1•pacoxu2025•46m ago•0 comments

Self-Hosted PostHog: Installation, Costs and Pitfalls

https://3hcloud.com/blog/posthog-self-hosting
1•Liriel•46m ago•0 comments

Using AI for just 10 minutes erodes your ability to persist at hard things

https://news.berkeley.edu/2026/10/09/using-ai-for-just-10-minutes-erodes-your-ability-to-persist-...
2•msalsas•47m ago•0 comments

When Ldaxr Doesn't Work: Exclusive Accesses and Cacheability on AArch64

https://joelsiks.com/posts/aarch64-exclusive-access-cacheability/
2•joelsiks•48m ago•0 comments

T. Campbell's Theory of Everything

https://loc.closertotruth.com/theory/campbell-s-theory-of-everything
1•jruohonen•49m ago•0 comments

Gemini Flash and Pro move to paid plans, leaving free users with only Flash-Lite

https://support.google.com/gemini/answer/17004136?hl=en
3•maxloh•51m ago•1 comments

`123456' password used in Danish CPR data breach

https://cphpost.dk/2026-10-10/news/round-up/123456-password-used-in-massive-danish-cpr-data-breach/
56•baal80spam•52m ago•33 comments

GTA V Running on iOS

https://github.com/c22dev/muguet
2•Alifatisk•56m ago•1 comments

JetBrains Advertising Kotlin in London Tube/Subway

https://www.reddit.com/r/Kotlin/comments/1x28h3u/spotted_in_london_tube_northern_line_yesterday/
2•theanonymousone•57m ago•0 comments

DOJ, FBI Seize Chinese State-Sponsored Hackers' Scanning and Phishing Tools

https://www.justice.gov/opa/pr/justice-department-and-fbi-seize-vulnerability-scanning-and-spear-...
3•mgaldys4•1h ago•0 comments

What's It Like to Be a Dolphin?

https://www.skeptic.com/disabled_js/
1•jruohonen•1h ago•1 comments

Show HN: Offline voice assistant, NO dedicated GPU, less 15Gb RAM

https://grigio.org/offline-voice-assistant-no-dedicated-gpu-less-15gb-ram/
1•grigio•1h ago•0 comments