This quantitative, causal-comparative study examined the possible cause and effect relationship between educational programming, specifically one-way Spanish immersion and traditional English-only, and native English-speaking fifth graders' vocabulary and reading comprehension. Archival data was used to examine students' reading achievement as…

The present study investigated the efficacy of early English immersion in the Shi Da Fu Elementary School in Xi'an, China. Three hundred and fifty one students were tested in Grades 1-6. There were two main purposes that motivated this longitudinal and cross-sectional study. The first goal was to compare the L1 and L2 language and literacy…