Claim

Across five randomized trials in India, Kenya, Nepal, the Philippines and Uganda, targeted tutoring delivered by phone calls produced large learning gains during school disruptions, while text-message delivery had mixed results; the approach was effective when delivered by government teachers or NGOs.

Type QUANTITATIVE · truth-evaluable: yes · status at snapshot: ACTIVE · created seq 17029

42 words; atomic claims are usually under 25a conjunction joins clauses that may be separately evaluablea comma-separated series may list several propositions

Referenced 103 times: checked 3, looked up by assistants 0, viewed 62, shared 38. A count of attention, not evidence.

Topics

Education · 1efd24fe Economics · 1efd24fe

Assessment

Supported

Score: 0.9908 under ledger-default@0.3.0 at snapshot 27745

2 of 4 review checks done · 1 counted · 1 by the author only

3 independent evidence lineages · review checks 1 of 4 · stability HIGH

Main unresolved issue: 5 counted evidence items have no independence review; repeats of one origin may be counted as several coverage:0fd52590-2b7f-8804-ac25-08652016bb6e

Not yet independently audited.Evidence reviewed so far supports this claim, but only 1 of 4 review checks has been done.A quoted passage from nature.com was not found on the page when Galedra fetched it.

Why?

Strongest counted support: The primary Nature study reports learning gains across five contexts and under both government and NGO delivery models. weight 1.800000 evidence

Suppressed as dependent: The quoted passage directly supports large cost-effective learning effects and effectiveness for government or NGO delivery, but does not state the five countries or text-message comparison.

Review gaps: qualifiers reviewed, opposing search done, independence reviewed

What would most change this: One independent, direct measurement that contradicts this claim would move it from Supported to Supported.

Hide calculation

0.9908 under ledger-default@0.3.0 at snapshot 27745 · state Supported · Review checks: 1 of 4 · stability HIGH · 5 sources, 3 independent lineages

Model ledger-default@0.3.0 (the default model, not the answer) · snapshot 27745 · trace sha256:d33278cad9fca98bfea72722c232dc51f2eec6d13c8da812b38fa3d50c31219d

Last changed at entry seq 25315; nothing logged since has borne on this claim.

How the number was reached

Each counted link is weighed by multiplying the factors the model declares; a factor it does not declare is not shown. Every factor name below links to what that number means.

Link	Working	Weight	Counted as
8d97e654 support	relevance STRONG 1.2 × observation DIRECT_TEXT 0.9 × interpretation 0 steps, 1 − 0.15 × 0 1.000000 × authenticity UNVERIFIED 1.0 × extraction UNVERIFIED 1.0 × provenance INDEPENDENT 1.0 × edition NAMED_OR_UNRELATED 1	1.080000	1.080000
40cae741 support	relevance DIRECT 2.0 × observation DIRECT_TEXT 0.9 × interpretation 0 steps, 1 − 0.15 × 0 1.000000 × authenticity UNVERIFIED 1.0 × extraction UNVERIFIED 1.0 × provenance INDEPENDENT 1.0 × edition NAMED_OR_UNRELATED 1	1.800000	1.800000
7b3cb104 support	relevance DIRECT 2.0 × observation DIRECT_TEXT 0.9 × interpretation 0 steps, 1 − 0.15 × 0 1.000000 × authenticity UNVERIFIED 1.0 × extraction UNVERIFIED 1.0 × provenance INDEPENDENT 1.0 × edition NAMED_OR_UNRELATED 1	1.800000	0.000000 (dependent strongest only, kept 8731a402)
8731a402 support	relevance DIRECT 2.0 × observation DATASET_RESULT 0.9 × interpretation 0 steps, 1 − 0.15 × 0 1.000000 × authenticity UNVERIFIED 1.0 × extraction UNVERIFIED 1.0 × provenance INDEPENDENT 1.0 × edition NAMED_OR_UNRELATED 1	1.800000	1.800000
b9d6ca70 qualify	relevance MODERATE 0.6 × observation DIRECT_TEXT 0.9 × interpretation 0 steps, 1 − 0.15 × 0 1.000000 × authenticity UNVERIFIED 1.0 × extraction UNVERIFIED 1.0 × provenance INDEPENDENT 1.0 × edition NAMED_OR_UNRELATED 1	0.540000	0.000000 (non directional)

prior 0.50 → log-odds 0.000000 + 4.680000 (the counted weights) = 4.680000 → probability 0.9908

Under neighbouring settings of the same model: 0.9636 to 0.9977, a spread of 0.0341.

Half-even rounding, six places for weights and four for the probability. The same inputs under the same model reproduce this exactly; that is what the trace hash above is for. How a score is worked out explains every factor, why it is there, and what the model sets it to.

Your view

Registered views

Nobody has registered a view yet.

Registered views are personal belief, not evidence: they never change Galedra's assessment. Affiliations are self-declared and shown only for groups of 5 or more.

Checked as part of

Statements this claim was broken out of. The claim is scored on its own; a statement's reading only counts its claims.

“Across five randomized trials in India, Kenya, Nepal, the Philippines and Uganda, targeted tutoring delivered by phone calls produced large learning gains...” · 1 claim · 29 September 2026
“Across five randomized trials in India, Kenya, Nepal, the Philippines and Uganda, targeted tutoring delivered by phone calls produced large learning gains...” · 1 claim · 29 September 2026
“Across five randomized trials in India, Kenya, Nepal, the Philippines and Uganda, targeted tutoring delivered by phone calls produced large learning gains...” · 1 claim · 29 September 2026

Evidence for

Five randomized trials found large, cost-effective learning effects from targeted phone tutoring delivered by governments or NGOs.

From Mobile education builds resilience during shocks in five countries Read 2026-09-29 Relevance DIRECT Steps 0 Counted
Oxford coverage independently reports learning gains from phone-call tutorials delivered by government or NGO instructors during closures.

From A type of mobile phone tutoring can maintain learning during crises, finds large multi-country study published in Nature Read 2026-09-29 Relevance STRONG Steps 0 Counted

Institutional coverage corroborates the multi-country tutoring result; the primary paper supplies the full trial design and cost figure.
The quoted passage directly supports large cost-effective learning effects and effectiveness for government or NGO delivery, but does not state the five countries or text-message comparison.

From Mobile education builds resilience during shocks in five countries Read 2026-09-29 Relevance DIRECT Steps 0 Counted

Supports the learning-effect and delivery clauses; the country list and text-message comparison are not established by this packet excerpt.
The primary Nature study reports learning gains across five contexts and under both government and NGO delivery models.

From Mobile education builds resilience during shocks in five countries Read 2026-09-29 Relevance DIRECT Steps 0 Counted

Primary multi-country randomized-trial conclusion.

Evidence against

None.

Qualifications

The counted passage reports large effects and provider types but does not specify the five-country trial set or mixed SMS findings.

From Mobile education builds resilience during shocks in five countries Read 2026-09-29 Relevance MODERATE Steps 0 Counted

Narrows the counted support to aggregate effects and provider type; trial-country scope and SMS comparison are not stated in this passage.

Suppressed as dependent

Evidence	Group	Kept instead
3b169969		8731a402

Inferences

Concluded from

None.

Used as a premise in

None.

An inference is interpretation, not evidence: it never changes the assessment of its conclusion. Each premise is a claim with its own evidence.

Threads

None. Threads are for disagreements about how a determination was made — a statement whose figures are not in the passage it rests on, two sources that may share an origin. Something about the world belongs in the evidence above.

Claim edges

None. Edges are stored and displayed; v0.1 does not propagate probability across them.

Review checklist

Review checks: 1 of 4

2 checks by this claim's own author, alongside the independent review above. 1 QUALIFIER CHECK · 1 EVIDENCE VERIFICATION. A check by the person who recorded a claim does not raise its review coverage.

Check	Done	By
qualifiers reviewed	no
opposing search done	no
independence reviewed	no
primary source reviewed	yes	40cae741, 7b3cb104, 8731a402, b9d6ca70

Summary

Supported. The main support is: Oxford coverage independently reports learning gains from phone-call tutorials delivered by government or NGO instructors during closures. b39e2852

1 further item repeats the same origin and is not independent evidence. 3b169969

Qualifier: The counted passage reports large effects and provider types but does not specify the five-country trial set or mixed SMS findings. ef593914

Review checks: 1 of 4. coverage:0fd52590-2b7f-8804-ac25-08652016bb6e

Generated by stub-v0.1; every sentence cites graph ids.

Contribution history

seq	event	detail
17029	APPENDED
17030	ACCEPT	AUTOMATIC_AFTER_VALIDATION
17035	LINK_EVIDENCE	by 1efd24fe (accepted)
17085	LINK_EVIDENCE	by 1efd24fe (accepted)
17095	TASK_RESULT	by 1efd24fe (accepted)
19456	LINK_EVIDENCE	by 1efd24fe (accepted)
25314	TASK_RESULT	by 1efd24fe (accepted)

Score trace

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