Checked, not settled
Probably holds up, but it is not settled.
“Across five randomized trials in India, Kenya, Nepal, the Philippines and Uganda, weekly phone-call tutoring plus SMS increased average numerical-operation performance by 0.321 standard deviations relative to control.”
3 of 4 review checks done · 1 counted · 2 by the author only
Leans supported · 0.7991 under ledger-default@0.3.0 at snapshot 27745 · review checks 1 of 4 · provisional until audited. The number is model-conditional, not a share of truth.
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Checked in Galedra: score 0.80, leans supported · not yet reviewed by anyone else
“Across five randomized trials in India, Kenya, Nepal, the Philippines and Uganda, weekly phone-call tutoring plus SMS increased average numerical-operation performance by 0.321 standard deviations…”
https://galedra.org/claims/cfc598df-e8a5-8924-a42a-305153e8ffe5/card
Or just the link: https://galedra.org/claims/cfc598df-e8a5-8924-a42a-305153e8ffe5/card
See the evidence · 
Galedra