Effects of Academic Vocabulary Instruction for Linguistically Diverse Adolescents

We conducted a randomized field trial to test an academic vocabulary intervention designed to bolster the language and literacy skills of linguistically diverse sixth-grade students ( N = 2,082; n = 1,469 from a home where English is not the primary language), many demonstrating low achievement, enrolled in 14 urban middle schools. The 20-week classroom-based intervention improved students’ vocabulary knowledge, morphological awareness skills,...