Although research provides ample evidence of teaching methods that facilitate students' learning of specific word meanings, the potential of instruction to impact students' general vocabulary knowledge has remained an unanswered question. This article reports on a three-year formative experiment that developed, implemented, and tested a long-term,…

Over 11 million students enter school speaking a language other than English. Due to their emerging English proficiency, many English Learners (ELs) struggle with English literacy, which impacts their overall achievement in school. However, there is evidence that ELs who have solid skills in their native language are able to apply their…