Claim

Model ledger-default@0.1.0 ledger-strict@0.1.0 ledger-default@0.2.0 ledger-strict@0.2.0 ledger-default@0.3.0 (default) ledger-strict@0.3.0 Snapshot seq

Topics

Education · 1efd24fe

Assessment

Why?

Strongest counted support: The primary study reports Uganda’s operation-level and proficiency gains. weight 2.000000 evidence

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 Unresolved.

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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.

• “A 2026 Nature study pooled five randomized trials of phone-based tutoring during school disruptions and reported cost-effective learning gains, including...” · 3 claims · 29 September 2026

Evidence for

• The primary study reports Uganda’s operation-level and proficiency gains.

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

  Primary country-trial result.

Evidence against

None.

Qualifications

• The passage directly reports Uganda gains of 1.193 operation levels and 34.4 percentage points at the highest proficiency level, but does not name phone-call tutorials.

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

  Both quantitative outcomes and Uganda are explicit; the intervention attribution is absent.

• The reported 1.193 operation-level and 34.4-point gains are Uganda-specific; the proficiency figure is an absolute percentage-point result for the highest level.

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

• The illustrative proficiency comparison is grade 4 division performance, with baseline and endline control/treatment context during school closures.

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

Suppressed as dependent

None.

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	aeeca017, 2b12b45b, 5438c7f9, 83554f7a

Summary

Contribution history

seq	event	detail
19401	APPENDED
19402	ACCEPT	AUTOMATIC_AFTER_VALIDATION
19415	LINK_EVIDENCE	by 1efd24fe (accepted)
24774	TASK_RESULT	by 1efd24fe (accepted)
25971	TASK_RESULT	by 1efd24fe (accepted)