This study examined the role of science domain knowledge, reading motivation, and decoding skills in reading comprehension achievement in third-grade students who are English learners (ELs) and students who are monolingual, using a nationally representative data set. Multigroup probit regression analyses showed that third-grade science domain…

Reading comprehension--the ability to understand the meaning of text--is a foundational ability that enables children to learn in school and throughout life. Children who struggle with reading comprehension in the third or fourth grade are at high risk for dropping out of school, with detrimental effects on their future employment, income, and…