An Experimental Study Comparing English-Only and Transitional Bilingual Education on Spanish-Speaking Preschoolers’ Early Literacy Development
Early Childhood Research Quarterly
An examination of the effect of instructional language on English language learners' Spanish and English literacy development from an experiment with 31 Spanish speaking preschoolers randomly assigned to two Head Start classrooms differing only in the language of instruction
Durán, L. K., Roseth, C., & Hoffman, P. (2010). An experimental study comparing English-only and transitional bilingual education on Spanish-speaking preschoolers’ early literacy development. Early Childhood Research Quarterly, 25 (2), 207-217.