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Leow, Christine; Hilado, Aimee; Limlingan, Maria Cristina; Howard, Eboni – Journal of Early Childhood Research, 2014
In an effort to bring rigorous research into the education and social sciences field, the past decade had seen an increase in the advocacy of randomized controlled trials. The argument in favor of using randomized controlled trial is that one can evaluate the impact of an intervention in comparison to a control group with confidence during a…
Descriptors: Early Childhood Education, Educational Research, Control Groups, Experimental Groups
Mendive, Susana; Weiland, Christina; Yoshikawa, Hirokazu; Snow, Catherine – Journal of Educational Psychology, 2016
"Un Buen Comienzo" [A Good Start] was a professional development program implemented with prekindergarten and kindergarten teachers in Chilean public schools serving low-income families. In a randomized trial, the program showed moderate to large impacts on classroom quality but no impacts on targeted child outcomes. To unpack these…
Descriptors: Foreign Countries, Preschool Teachers, Professional Development, Kindergarten
Bernhard, Judith K.; Cummins, Jim; Campoy, F. Isabel; Ada, Alma Flor; Winsler, Adam; Bleiker, Charles – Teachers College Record, 2006
There is little research on English language learners (ELLs) in relation to learning disability (LD) assessment and identification. More important, there is a scarcity of research on models and strategies that enhance learning opportunities and outcomes for ELLs prior to an LD diagnosis. We describe in this article an innovative language…
Descriptors: Second Language Learning, Intervention, Experimental Groups, Literacy