The American Economic Association's registry for randomized controlled trials
Select the trial sections you'd like to search within...
42 Trials Found
C93, D91, I20, I30, J13
C93, D91, G50, I30
H41, H760, H430, I30, K420, R23
I30
O120, D90, I30
J24, I19, I30, I31
J13 Early childhood stimulation; other codes: I20, I25, I30, I38
C93, G50, I30, J16
P25, Z10, Z12, O15, I30, D90