Marta Romero-González, Rocío Lavigne-Cerván, Marta Sánchez-Muñoz de León, Sara Gamboa-Ternero, Rocío Juárez-Ruiz de Mier, Juan Francisco Romero-Pérez
Effects of a Home Literacy Environment Program on Psychlinguistic Variables in Children from 6 to 8 Years of Age
International journal of environmental research and public health
view returns educational investments highest early childhood interventions widely held stems primarily several influential randomized trialsabecedarian perry early training projectthat point supernormal returns early interventions article presents de novo analysis experiments focusing two core issues received limited attention previous analyses treatment effect heterogeneity gender overrejection null hypothesis due multiple inference address latter issue statistical framework combines summary index tests familywise error rate false discovery rate corrections implemented first technique reduces number tests conducted latter two techniques adjust p values multiple inference primary finding reanalysis girls garnered substantial short longterm benefits interventions significant longterm benefits boys conclusions appeared ambiguous using naive estimators fail adjust multiple testing contribute growing literature emerging femalemale academic achievement gap also demonstrate complex studies multiple questions asked data set important declare family tests consideration either consolidate measures report adjusted unadjusted p values