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Guglielmi, R. Sergio – Journal of Educational Psychology, 2008
The hypothesis that native language (L1) proficiency promotes English acquisition and overall academic achievement, a key theoretical assumption underlying bilingual education, was tested using latent growth modeling of data from 899 limited-English-proficient (LEP) eighth graders who were followed for 12 years in the National Education…
Descriptors: Bilingual Education, Academic Achievement, Reading Ability, Grade 8