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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/

FoodGuessr

https://www.foodguessr.com
1•choult•54s ago•0 comments

Potatoes 'boil' in the ground as record heatwave sweeps across swathes of Asia

https://www.theguardian.com/world/2026/aug/13/asia-heatwave-south-korea-potatoes-boil-ground-reco...
1•akbarnama•3m ago•0 comments

Cyberattack on Taiwan Exposes the Execution-Finality Gap

https://zenodo.org/records/21915825
1•sangamdas1982•4m ago•0 comments

NightmareEclipse Publishes New Windows Defender Zero Day

https://cyberplace.social/@GossiTheDog/117082623896479140
1•_tk_•6m ago•0 comments

Romania to shut down nuclear plant due to low Danube level

https://www.lemonde.fr/en/international/article/2026/08/13/romania-to-shut-down-nuclear-plant-due...
1•geox•10m ago•0 comments

Lawsuit fights Ellison-Trump corruption's harm to news outlets

https://freedom.press/issues/lawsuit-fights-ellison-trump-corruptions-harm-to-news-outlets/
1•abdelhousni•12m ago•0 comments

AI 2027 Tracker: Tracking predictions from the AI 2027 scenario against reality

https://ai2027-tracker.com/
2•merksittich•16m ago•0 comments

Gnome Shell Design Dreams

https://blogs.gnome.org/shell-dev/2026/08/11/gnome-shell-design-dreams/
1•birdculture•16m ago•0 comments

Terminate-and-Stay-Resident Program

https://en.wikipedia.org/wiki/Terminate-and-stay-resident_program
1•Bluestein•20m ago•0 comments

Rate of climate change affects stability of the AMOC

https://www.eurekalert.org/news-releases/1139863
1•TechTechTech•22m ago•0 comments

List of Unsolved Problems in Mathematics

https://en.wikipedia.org/wiki/List_of_unsolved_problems_in_mathematics
2•frozenseven•24m ago•0 comments

Affordable AI+human insight helped us close 40yr sporadic group Galois problem

https://www.shaowuzhang.com/files/how-we-found-m23.pdf
3•oliculipolicula•25m ago•0 comments

Show HN: Wala Vibes – scene-based radio for nostalgic Indian music

https://walavibes.wtf
1•yunweiguo•28m ago•0 comments

If I own Claude's outputs why can't I train my own model on them?

https://support.claude.com/en/articles/12326764-can-i-use-my-outputs-to-train-an-ai-model
5•DarenWatson•28m ago•0 comments

After a lot of thought, we've decided to retire SvelteJobs

https://sveltejobs.com/
2•thunderbong•36m ago•0 comments

Apple TV just added a bunch of classic movies to stream for free

https://9to5mac.com/2026/08/12/apple-tv-just-added-a-bunch-of-classic-movies-to-stream-for-free/
2•tosh•40m ago•0 comments

Spicy tale of an App Store fraud

https://lapcatsoftware.com/articles/2026/8/4.html
3•latexr•42m ago•0 comments

GitSkills: A Dataset of Agent Skills on GitHub

https://arxiv.org/abs/2608.10906
3•miningthemall•43m ago•0 comments

Win-V combo from Windows on Ubuntu

https://leo98ml.github.io/win-v/
1•havaianaslife•44m ago•0 comments

IOI 2026 Final Ranking

https://ranking.ioi2026.uz/
1•pykello•45m ago•0 comments

One VC burns through tokens a day to find the next unicorn

https://restofworld.org/2026/activate-interview-vc-sovereign-ai/
2•nanfinitum•48m ago•0 comments

Twitch now uses your channel to train generative AI by default

https://twitter.com/zachbussey/status/2087573860929478785
3•haunter•48m ago•0 comments

Drone Sightings Happening at Diego Garcia, US's Remote Strategic Island Outpost

https://www.twz.com/news-features/drone-sightings-are-happening-at-diego-garcia-americas-remote-s...
2•rbanffy•49m ago•0 comments

Program = Proof [pdf]

https://www.lix.polytechnique.fr/Labo/Samuel.Mimram/teaching/pp/course.pdf
1•leonidasrup•50m ago•0 comments

DeepSWE August 13 Update with Grok 5.6 and DeepSeek v4 Pro 0813

https://deepswe.datacurve.ai/
1•theanonymousone•50m ago•0 comments

Boltz shuts down Bitcoin swaps, citing AI attacks outpacing patching

https://davidebtc186.substack.com/p/ai-vs-ai-how-boltzs-shutdown-reveals
1•shadowbip•50m ago•0 comments

Medical data of 19M Poles stolen in major breach

https://www.pap.pl/en/news/medical-data-19-million-poles-stolen-major-breach-minister-says
4•mromnia•51m ago•0 comments

Quincunx: A discovery engine for the sparse domains

https://arsinq.com/articles/quincunx/
2•knipnehpets•58m ago•0 comments

Record heat is drying up Europe's major rivers, as these striking images show

https://www.washingtonpost.com/climate-environment/interactive/2026/08/12/see-receding-water-leve...
1•lisper•1h ago•0 comments

Mistral got a US patent on tool calls in 118 days. Without prior public notice

https://agent-wars.com/news/2026-08-11-mistral-code-tool-calls-patent-b1
17•berofeev•1h ago•9 comments