Explore the evidence
2 of 88 decisions · clear everything
Survives the gold standardIndependent, durable, rigorousThe debunked shelfCheap winsFor parents at homeFamous numbers, deflatedWhere we admit ignoranceThe terrain
domain
- writing6
- health4
- assessment3
- debunked3
- early childhood3
- homeschool3
- science3
- arts2
- character2
- foreign language2
- grouping2
- math2
- reading2
- time2
- transfer2
- behavior1
- class size1
- computer science1
- curriculum1
- edtech1
- history civics1
- homework1
- mastery1
- motor skills1
- physical development1
- practical1
- retention1
- school structure1
- sport1
- teachers1
verdict
confidence
layer
survival prior
- nothing assessed yet
Your situation · from the applicability layer — absence means “not yet assessed,” never “doesn’t apply”
who's delivering
group / setting
cost
outcome class
Neither acceleration mandates nor delay mandates work — readiness-matched placement does. Push everyone and the median falls; hold everyone back and the top falls.
mixedconf: highgc: lowAlgebra timing — acceleration mandates, delay mandates, and readiness-based placement · math · ages 11–18
The textbook matters at the bottom, not the top: avoid the demonstrated losers; mainstream choices now differ by ~0.02 SD.
mixedconf: highgc: lowMath curriculum choice — how much does the textbook matter? · math · ages 5–14
The URL is the state — any view you build here is a permalink you can hand to someone mid-argument.