Explore the evidence
1 of 88 decisions · clear everything
Survives the gold standardIndependent, durable, rigorousThe debunked shelfCheap winsFor parents at homeFamous numbers, deflatedWhere we admit ignoranceThe terrain
domain
- early childhood5
- character3
- math3
- reading3
- science3
- assessment2
- foreign language2
- health2
- history civics2
- motor skills2
- practice2
- time2
- arts1
- behavior1
- class size1
- curriculum1
- deliberate practice1
- edtech1
- feedback1
- homeschool1
- homework1
- mastery1
- music1
- practical1
- retention1
- school structure1
- sport1
- talent1
- teachers1
- tutoring1
- writing1
verdict
confidence
layer
Your situation · from the applicability layer — absence means “not yet assessed,” never “doesn’t apply”
who's delivering
- nothing assessed yet
group / setting
- nothing assessed yet
cost
- nothing assessed yet
outcome class
- nothing assessed yet
The 10,000-hour rule is dead: practice explains ~14% of performance variance, is itself heritable, and identical twins 20,000 hours apart didn't differ. Necessary, insufficient.
mixedconf: highgc: mediumDeliberate practice and the 10,000-hour rule · deliberate-practice · ages 6–18 · method
The URL is the state — any view you build here is a permalink you can hand to someone mid-argument.