This paper investigated the predictive ability of expressive vocabulary size and lexical composition at age 2 on later language and literacy skills from ages 3 through 11. Multivariate analysis of covariance was performed to compare 16 language and literacy outcomes between children with large expressive vocabulary size at 24 months (N = 1,073)…

Investigates the relative influences of medium and context variables by comparing seven- and eight-year-old children's spoken and written explanations in varying contexts: a story task, a question task, a sentence completion task, and a whole sentence production task. Findings reveal the significant influence of context as compared to medium on…