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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/

Proposed spec to share SKILL and "loop"/"Workflow" by OCI registry

https://github.com/stumpyfr/loop-spec
1•stumpyfr•3m ago•1 comments

How vibe coding a game made me design an AI agent protocol

https://blog.carlid.dev/game-vibe-coding-to-protocol-design
1•carlid•3m ago•0 comments

Apple targets OpenAI employees with legal letters

https://www.ft.com/content/1b8c9d52-88a9-426b-ba47-f1811f859166
1•merksittich•3m ago•1 comments

"Strengthening the Heartbeat" by the Educational Theorist Thomas Sergiovanni

https://urnicus.com/blog/strengthening-the-heartbeat/
1•urnicus•3m ago•1 comments

Show HN: hmr-serve, hot-loading web app for any folder (MIT)

https://github.com/floodtide/hmr-serve
1•fishbone•4m ago•0 comments

Show HN: Notvex – encrypted local-first notes with SQLCipher and XChaCha20

https://github.com/GFrancV/notvex
1•GFrancV•4m ago•0 comments

Advances in Real Time Rendering in Games

https://advances.realtimerendering.com
1•oumua_don17•4m ago•0 comments

Prompt submitted to cloud even when using local LLM by default

https://github.com/anomalyco/opencode/issues/15854
1•josh-wrale•5m ago•0 comments

Guy Makes Mechanical Mirrors [video]

https://www.youtube.com/watch?v=kV8v2GKC8WA
1•surprisetalk•5m ago•0 comments

Echelon 3000

https://5blockchains.com/posts/echelon/
1•betareducer•8m ago•0 comments

Rust Is a Harness

https://w4g1.dev/blog/rust-is-a-harness
3•hruvhwe•9m ago•0 comments

Show HN: Watch Wikipedia being edited live on a 3D globe

https://theplanetthinks.com/
1•alekcac•10m ago•0 comments

Show HN: A sandbox for running real jailbreak techniques against local LLMs

https://github.com/joshfischer1108/jailbreak-lab
1•joshfischer1108•12m ago•0 comments

GTFO VR Postmortem

https://dsprtn.dev/posts/GTFO-VR-Postmortem/
1•jhartikainen•12m ago•0 comments

Proposal for universal AI ethics standard against country censorship

https://www.omrajguru.com/writings/aistandard
1•omrajguru•13m ago•0 comments

Spine – a knowledge graph of your repo, in 7 languages, that feeds an agent

https://github.com/synaptixs/spine
1•Falconsol13•13m ago•0 comments

Show HN: I made a Strava for logging degen trades on WSB

https://topyolo.com/
1•dignaga69•13m ago•0 comments

Show HN: Sokkan – my Claude Code sessions kept forgetting, so I gave them memory

https://sokkan.ch
1•micaudn•13m ago•0 comments

Real Money, Fake Models: Deceptive Model Claims in Shadow APIs

https://arxiv.org/abs/2603.01919
1•sysoleg•14m ago•0 comments

Show HN: Math Grid – Japan's 100-square math drill (hyakumasu keisan)

https://apps.apple.com/ca/app/math-grid-100-squares/id6779562830
1•emile_labs•19m ago•0 comments

Cutting China reliance would cost the West $23T, research suggests

https://www.ft.com/content/c6c1f5a5-3332-471b-87d5-253e03f8b90a
1•giuliomagnifico•21m ago•1 comments

Gofi – go tooling for Ubiquiti Unifi gear

https://github.com/emergingrobotics/gofi
1•gherlein•22m ago•0 comments

Ampere, open-source battery charge control for Apple Silicon Macs

https://amperebattery.app/
1•elgs•22m ago•1 comments

Recognition of unfamiliar predators in horses through only visual predator cues

https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0349298
2•bookofjoe•22m ago•0 comments

Humans evolved to be twice as big as our ancestors

https://www.newscientist.com/article/2533221-how-humans-evolved-to-be-twice-as-big-as-our-ancestors/
2•ike_usawa•23m ago•0 comments

Neglected software update caused widespread Telstra network outage

https://www.theguardian.com/business/2026/jul/17/telstra-missing-software-update-undocumented-des...
1•prawn•24m ago•0 comments

Get notified about open slots at campgrounds / huts / cabins all over the world

https://getcabinfever.com/en/last-minute
1•felixdoerp•24m ago•0 comments

50 vs. 60 Hz and Alzheimer's Disease, an AI Exploration

https://github.com/mankins/50Hz-vs-60Hz-Alzheimers
1•mankins•26m ago•0 comments

Should AI usage be explicitly disclosed in movies and TV shows?

https://www.unite.ai/should-ai-usage-be-explicitly-disclosed-in-movies-and-tv-shows/
1•50kIters•27m ago•0 comments

Value, quality or growth: three investing philosophies based on 12 years of data

https://aito.ai/blog/value-quality-or-growth-who-was-right/
1•arauhala•27m ago•0 comments