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Registration

Field Before After
Trial Status on_going completed
Last Published January 27, 2026 05:10 AM May 26, 2026 11:10 AM
Study Withdrawn No
Intervention Completion Date December 08, 2025
Data Collection Complete Yes
Final Sample Size: Number of Clusters (Unit of Randomization) 48 classes
Was attrition correlated with treatment status? No
Final Sample Size: Total Number of Observations 1,423 Balance panel 1,637 Endline
Final Sample Size (or Number of Clusters) by Treatment Arms 24 control, 24 treatment
Is there a restricted access data set available on request? No
Program Files No
Data Collection Completion Date December 10, 2025
Is data available for public use? No
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Post Trial Documents

Field Before After
Description Results Tech Report
Citation LearnLM Team, Google and Fab AI. 2026. “Teaching with Gemini: Measuring the Impact of Guided Learning on Student Mathematics Progress in Sierra Leone.” Technical Report. May 15.
Url https://storage.googleapis.com/deepmind-media/LearnLM/learnLM_sierraleone_may26.pdf
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