The debate over an optimal age for learning a second language has been active for decades and includes dispute about whether learning derives mainly from nature or nurture. This article explores to what extent exposing native Portuguese preschool children (3-5 years old) to a specific pedagogic approach for learning English is effective in…

Data from 1,407 preschoolers were used to examine the implications of classroom age composition for the early learning and development of 4-year-olds in classrooms with 3- and 5-year-olds also in attendance. Results suggest that a greater number of younger classmates did not detract from 4-year-olds' language development, literacy performance, or…

In many low- and middle-income countries, young children learn a mother tongue or indigenous language at home before entering the formal education system where they will need to understand and speak a country's official language(s). Thus, assessments of children before school age, conducted in a nation's official language, may not fully reflect a…

Background: Children with language impairment (LI) show heterogeneity in development. We tracked children from pre-school to middle childhood to characterize three developmental trajectories: resolving, persisting and emerging LI. Methods: We analyzed data from children identified as having preschool LI, or being at family risk of dyslexia,…

Background: Strong associations between infant vocabulary and school-age language and literacy skills would have important practical and theoretical implications: Preschool assessment of vocabulary skills could be used to identify children at risk of reading and language difficulties, and vocabulary could be viewed as a cognitive foundation for…

"The Condition of Education" is a congressionally mandated report that provides an annual portrait of education in the United States. This document includes information from "The Condition of Education 2009" about knowledge and skills of young children. A smaller percentage of children born in 2001 who were in poverty…