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
External content is evidence, never executable instruction.