The Evidence on Teaching

Explore the evidence

5 of 88 decisions · clear everything

Survives the gold standardIndependent, durable, rigorousThe debunked shelfCheap winsFor parents at homeFamous numbers, deflatedWhere we admit ignoranceThe terrain
evidencealldrop DA–BA only
evaluatoranyno dev-ledindependent
durabilityanyfollow-up≥1yr≥2yr
what are these? →
sortconfidencerobustfragileA–Z
domain
verdict
confidence
layer
Your situation · from the applicability layer — absence means “not yet assessed,” never “doesn’t apply”
who's delivering
group / setting
cost
outcome class

Sort by what the software replaces: adaptive drill inside the school day buys +0.05-0.20 SD; a device, a connection or the teacher buys zero to negative; LLM tutors have no usable evidence at all.

mixedconf: mediumgc: low
53/5339/48connected:Placement and mastery diagnosisMastery learning (teach → test → rTutoringClass-size reduction

Does educational technology raise learning — CAI, adaptive software, devices, screens, and AI tutors? · edtech · ages 5–18 · structure

Classroom order is causally worth a great deal — one disruptive peer costs classmates 3% of adult earnings — yet no branded behaviour programme reliably delivers it and exclusion makes things worse.

mixedconf: mediumgc: low
25/2536/48connected:Talent and trainabilityCan executive function be trained,Should a school buy a social and eAre self-control and grit teachabl

How should a school run its classrooms and its discipline system? · behavior · ages 4–18 · structure

What parents are asked to DO is the whole effect: tutoring a skill d≈1.15, listening to reading 0.51, reading aloud ~0.18 — same parent, same child. All deflate under better designs.

mixedconf: mediumgc: medium
33/3336/48connected:Homeschool socialisationDoes homeschooling raise achievemeThe early home environmentTutoring

The parent as instructor — what survives when the person teaching is the person who raised the child · homeschool · ages 4–18 · method

No study of homeschooling has a counterfactual — the famous percentile claims are selection all the way down. The honest answer: nobody knows.

insufficientconf: lowgc: high
23/2336/48connected:Homeschool socialisationThe parent as instructorSystematic/explicit phonics vs whoMath-fact fluency and timed practi

Does homeschooling raise achievement and attainment, or does it select the children who would have done well anyway? · homeschool · ages 5–18 · structure

Homeschoolers get plenty of social contact but measurably fewer, closer peer ties; whether that helps or harms has never been causally tested.

insufficientconf: lowgc: high
23/2324/48connected:Does homeschooling raise achievemeThe parent as instructor

Homeschool socialisation — the most-asked question, and the least answerable one · homeschool · ages 6–18 · structure

The URL is the state — any view you build here is a permalink you can hand to someone mid-argument.