Fifty-four students were followed over 10 years beginning in first grade to determine best predictors of oral and written second language (L2) proficiency. Predictor variables included measures of first language (L1) skill administered in first through fifth grades, L1 academic aptitude, L2 aptitude (Modern Language Aptitude Test), and L2 affect…

Comparison of high-risk, low-risk, and learning-disabled high school students' foreign language performance found clear evidence of significant differences in the foreign language learning potential of low- and high-risk students and striking similarities between high-risk and learning-disabled students regarding foreign language learning…

A discussion of the Linguistic Coding Deficit Hypothesis presents an overview of the theory; describes five prototypes of second-language learners, each illustrated by a distinct language processing profile; and examines how the ability to identify prototypes can help teachers interpret student difficulties and design instruction to address them.…