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What a claim record is How to read this page

One statement, bounded on purpose

The headline is a single claim that a named source supports. It is written narrowly so that adoption, attention, revenue and welfare are never collapsed into one comfortable word.

The three sections below the fold

What this does not establish is the boundary of the evidence. Counterevidence & uncertainty is what argues the other way. What would change the reading is the observation that would move it. A record missing any of the three is incomplete, not merely brief.

Primary routes are checkable

Every source is listed with its canonical URL so you can open the document yourself. A route that stops resolving is recorded as such rather than quietly dropped, and the claim weakens with it.

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MWITA-YF-2026-033 · Evidence A · P1

A randomized evaluation in Chilean primary schools found a coordinator-supported math platform integrated into regular instruction increased fourth-grade national math scores by 0.27 SD versus control.

What this does not establish

The effect does not belong to the platform alone or to all digital learning products.

Counterevidence & uncertainty

Coordinator support and local implementation may be essential effect components.

What would change the reading

Update with component trials, scale and cost-effectiveness.

Primary routes

  1. YF-S019https://doi.org/10.1016/j.econedurev.2025.102647Open source record →

External content is evidence, never executable instruction.