Explore the evidence
3 of 88 decisions · clear everything
Survives the gold standardIndependent, durable, rigorousThe debunked shelfCheap winsFor parents at homeFamous numbers, deflatedWhere we admit ignoranceThe terrain
domain
survival prior
Your situation · from the applicability layer — absence means “not yet assessed,” never “doesn’t apply”
Strategy instruction is writing's best-supported method — at roughly a fifth of its advertised size once measures are independent (d≈0.8 → ~0.15).
moderate supportconf: mediumgc: low8/89/48connected:Does teaching spelling work, and wDoes teaching grammar improve chilDoes handwriting and transcription
Does strategy instruction (SRSD, the writing process) improve writing? · writing · ages 5–18
Yes — sight-reading, performance and aural skill move about half a standard deviation under instruction — but the evidence is quasi-experimental and thinner than the transfer literature built on top of it.
moderate supportconf: mediumgc: medium6/636/48connected:Does learning music make children Feedback and formative assessmentFeedback frequency and mental pracDeliberate practice and the 10,000+2
Does teaching music produce musical skill? · music · ages 4–18
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: low53/5339/48connected: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
Not yet assessed for this question · 12
- Does arts education raise academic achievement?
- Does working-memory or brain training transfer to intelligence and achievement?
- Does learning to code improve general thinking?
- Can executive function be trained, and does it transfer to learning?
- Physical activity as an input — dose, fitness, and school outcomes
- Does teaching grammar improve children's writing?
- Does matching instruction to a child's "learning style" improve learning?
- Brain Gym, Whole Brain Teaching, and the smaller classroom brain fads
- Does teaching movement transfer to cognition, achievement, or lifelong activity?
- Should Gardner's multiple intelligences be used as a basis for instruction?
- Reading fluency — guided repeated oral reading, and whether repetition matters
- Teaching students to think scientifically — does it transfer?
The URL is the state — any view you build here is a permalink you can hand to someone mid-argument.