Evidence item

The excerpt directly reports nearly half-standard-deviation mathematics gains over 31 weeks across achievement levels and question difficulty. MEASUREMENT

Authenticity UNVERIFIED · extraction UNVERIFIED · independence group none (unreviewed) · created seq 24886

Source: How In-School Supervised Ed-Tech Support Produces Massive Learning Gains: A Khan Academy Field Experiment in India · locator {} · excerpt hash sha256:1697289589f43789f5969fbfc43ebf86995ba8658137db8990597f7b5e2fdb1a

The intervention increased platform usage from 7.2 to 47.4 minutes per week. Mathematics achievement rose by almost half a standard deviation over 31 weeks, with gains broad-based across achievement levels and question difficulty.