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
survival prior
Your situation · from the applicability layer — absence means “not yet assessed,” never “doesn’t apply”
who's delivering
group / setting
cost
outcome class

Correcting a real deficiency moves cognition (iron in anaemic children: 0.79 SD); supplementing already-fed children moves nothing (35 RCTs, 19,343 children).

mixedconf: mediumgc: low
20/2018/48connected:Does teaching movement transfer to

Breakfast, school meals, and micronutrients — what feeding children actually buys · health · ages 4–18 · input

Life-skills courses reliably teach the content and rarely change the conduct; behaviour moves only where instruction sits close in time to the decision, and driver education is worse than nothing.

mixedconf: mediumgc: low
11/1148/48

Do life-skills courses — money, cooking, driving, health — change what students actually do? · practical · ages 6–18

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

Reading Recovery buys large short-term gains at high cost; the only US long-term estimate is negative. Early 1:1 tutoring works — this model's durability is unproven.

mixedconf: mediumgc: low
5/536/48connected:Systematic/explicit phonics vs who

Reading Recovery and Tier-2 1:1 early-literacy tutoring · reading · ages 5–8

Strategy instruction is a one-time boost, not a trainable skill: six sessions buy what fifty do, and modern at-scale trials are ~null.

mixedconf: mediumgc: low
4/46/48connected:Does teaching grammar improve chilSystematic/explicit phonics vs whoBackground knowledge and vocabularDoes teaching spelling work, and w

Reading-comprehension strategy instruction (reciprocal teaching, summarizing, questioning) · reading · ages 8–14

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