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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/

AI could be good for open source

https://nabraj.com/blog/ai-good-for-opensource
1•coffeecoders•25s ago•0 comments

The EU's High Tech E-Waste Recovery Push

https://spectrum.ieee.org/e-waste-european-union-circuit4eu
1•rbanffy•43s ago•0 comments

AI and the Speed of Idea Execution

https://norsewanderer.com/
1•mheilemann•1m ago•1 comments

The Oracle AI Data Center Train Wreck

https://subseacables.blogspot.com/2026/10/the-oracle-ai-data-center-train-wreck.html
1•speckx•1m ago•0 comments

CSSV – Comma-Separated Styled Values

https://cssv.dev/
1•eustoria•1m ago•0 comments

Reducing GitHub reliability risk for tool installs

https://bitrise.io/blog/post/reducing-github-reliability-risk-for-tool-installs
1•rmadriz•2m ago•0 comments

Tiny Neo Asteroid 2026TU3 Is Valuable Study Opportunity

https://www.astrophyzix.com/2026/10/asteroid-2026TU3.html
1•SpaceNewsNow•2m ago•0 comments

Missing Policy Routing Rules on Linux

https://www.procustodibus.com/blog/2026/06/disappearing-policy-routing-rules/
1•eustoria•3m ago•0 comments

CIDs: What You Need to Know and Why

https://ngerakines.leaflet.pub/3mfceipobzk2u
1•ankitg12•3m ago•0 comments

As AI Closed in on 'Unique Games' Proof, Researchers Raced to Beat the Machines

https://www.quantamagazine.org/as-ai-closed-in-on-unique-games-proof-researchers-raced-to-beat-th...
1•digital55•3m ago•0 comments

Navier–Stokes Lost in Translation

https://arxiv.org/abs/2610.08144
1•nill0•3m ago•0 comments

AI Measurement Science

https://aimslab.stanford.edu/textbook/
1•sonabinu•3m ago•0 comments

Across the Globe, People Increasingly Say Social Media Is Harming Democracy

https://www.pewresearch.org/global/2026/10/01/across-the-globe-people-increasingly-say-social-med...
2•karakoram•4m ago•0 comments

Normal Tools – Useful online tools, no nonsense

https://www.normaltools.com/
2•eustoria•5m ago•0 comments

Show HN: One – Post-labor biophysical resource coordination

https://github.com/kyberlex/ONE
1•kyberlex•6m ago•0 comments

Nobel Prize in Chemistry 2026

https://www.nobelprize.org/prizes/chemistry/2026/summary/
1•divbzero•7m ago•0 comments

Reverse Engineering of the M-VAVE FM-1 Pocket Synthesizer Firmware

https://github.com/AL-255/FM-1-RE
1•0bytes•8m ago•0 comments

Why Texas Is Making Data Centers Wait

https://www.a16z.news/p/why-texas-is-making-data-centers
1•crescit_eundo•9m ago•0 comments

GitHub Incident with Git Operations, Pull Requests and Actions

https://www.githubstatus.com/incidents/djlmxz2zd0j7
32•gagan2020•10m ago•14 comments

A new AI assistant called Tab has launched; it competes with Meta's Muse

https://techcrunch.com/2026/10/07/another-personal-ai-assistant-has-launched-meet-tab-which-emerg...
1•mikelgan•11m ago•0 comments

GitHub Is Down (Again)

5•Andugal•11m ago•0 comments

Stop asking AI what you should build

https://leoanthias.com/stop-asking-ai/
1•pea•11m ago•0 comments

GitHub Outage: Incident with Git Operations, Pull Requests and Actions

https://www.githubstatus.com/incidents/djlmxz2zd0j7
7•wbnns•12m ago•2 comments

ShinyHunters Extorted Boeing Spin-Off Prior to Arrests

https://krebsonsecurity.com/2026/10/shinyhunters-extorted-boeing-spin-off-prior-to-arrests/
2•speckx•12m ago•0 comments

Show HN: Collision avoidance in industrial robotics using robotsimulator.ai

https://www.babacad.com/robotics/web/
1•comirza•13m ago•0 comments

Show HN: Checkout this open-source, local-first bioinformatics/AI desktop app

https://github.com/Liatir/liatir-app
1•Suffro•13m ago•0 comments

Show HN: Zetteldesk – An MCP server that prints and mails letters

https://zetteldesk.com/en
1•akrost•15m ago•0 comments

Codex Cloud shipped with Tailscale support. Nobody told us

https://tailscale.com/blog/codex-cloud-tailscale
1•mfiguiere•15m ago•0 comments

Zephon: Fast, Flexible, Elastically Deterministic Data Loading

https://www.datologyai.com/blog/zephon
1•mboether•17m ago•0 comments

Visa, Mastercard, Major Banks Facing New Litigation over 'Anticompetitive' Fees

https://www.classaction.org/news/visa-mastercard-major-banks-facing-new-litigation-over-anticompe...
2•DeepLogin•18m ago•0 comments