MWITA-YF-2026-018 · Evidence A · P1
A randomized Kenyan experiment found one hour of weekly one-to-one online tutoring raised test scores by 0.4 SD during a nine-month school closure, against an estimated 0.8 SD control-group loss, but had no effect while schools were open.
What this does not establish
The result does not support universal tutoring effectiveness or a current deployment; tablets, data and Canadian tutors were provided.
Counterevidence & uncertainty
Context, tutor supply and emergency conditions limit transferability.
What would change the reading
Update with contemporary local-tutor replications and cost-effectiveness.
Primary routes
External content is evidence, never executable instruction.