Assessing the effect of an educational intervention on early childhood development among Mexican preschool children in the state of Oaxaca: a study protocol of a cluster randomized stepped-wedge trial.

Amado D Quezada-SánchezEvelyn Fuentes-RiveraAngélica García-MartínezMaría Del Carmen Hernández-ChávezCarlos Pineda-AntúnezMartín Romero MartínezArmando García-GuerraRaquel García-FeregrinoAbby Madrigal-RamírezTania Santiago-AngelinoFabián Olvera-FloresLourdes SchnaasRafael Pérez-EscamillaEdson Serván-Mori

Published in: Trials (2022)

ClinicalTrials.gov NCT04210362.

Keyphrases

study protocol
randomized controlled trial
open label
placebo controlled
double blind
phase iii
phase ii
clinical trial