In this article, I describe studies conducted over 25 years with secondary and post-secondary L2 learners in the United States. The evidence from these studies shows that there are important connections between students' early L1 skills and their L2 aptitude and L2 proficiency and that individual differences in students' L1 skills in elementary…

Individuals' use of language in contexts emerges from second-to-second processes of activating and integrating traces of past experiences--an interactionist view compatible with the study of language as a complex adaptive system but quite different from the trait-based framework through which measurement specialists investigate validity, establish…

Reviews 10 studies, comprising 11 samples, of the effects of reading to young children in schools. Ages of the children varied between 31 and 90 months, and dependent variables were classified in two domains: oral language and reading skills. (Author/VWL)