AEA RC
T Registr
y
The American Economic Association's registry for randomized controlled trials
Sign in
Create Account
About
Registration Guidelines
Data
FAQ
Advanced Search
Back to History
Fields Changed
Registration
Field
Before
After
Field
Last Published
Before
September 22, 2026 04:36 AM
After
September 22, 2026 04:37 AM
Field
Final Sample Size: Total Number of Observations
Before
After
2,724 schools
Back to top