This article describes the development and validation of a Vietnamese bilingual version of the Vocabulary Size Test--a test which measures written receptive vocabulary size. The test can be used to measure the English vocabulary size of Vietnamese learners of English. A learner's total vocabulary size is calculated by multiplying their test result…

Improving the education of a growing sector of the school population--English language learners (ELLs)--is a pressing unmet need in the nation's current public education system (Gándara 1994; Genesee et al. 2006; Hood 2003). Another urgent educational need is to prepare students to live and work in an increasingly globally connected world.…

A great deal of research into second-language (L2) development focuses on the role of cognitive factors and other individual differences. Studies of children and prime-of-life adult L2 learners suggest that differences exist in the learning processes of these groups. However, to date, little empirical work has been conducted with older adult…

This monograph provides a comprehensive description and analysis of the literacy proficiencies of the adult immigrant population (16-65 years old) in the U.S. in recent years and assesses their implications for the labor force behavior, employment, earnings, incomes, and civic behavior of the immigrant population. The first section will present…