The American Economic Association's registry for randomized controlled trials
Select the trial sections you'd like to search within...
1260 Trials Found
I32, O12, O15, O19
D63, D91, I21, J15
I22, I24
J24, J28, J30, J31, J33, J38, I24, I26, I28, I38
D91, I15, J15, J16, O15
I20, I21
C93, D91, I12
C93, D91, O13, Q12
J13 Early childhood stimulation; other codes: I20, I25, I30, I38
C93, I10