Five experiments examined whether overt repetition (i.e., saying a word aloud) during exposure is critical to the expressive learning of new words. When participants did not engage in overt repetition during exposure, they nevertheless exhibited clear expressive learning, both with and without an accompanying semantics, indicating that overt…

This study explores factors influencing the degree to which language minority (LM) children from Spanish-dominant homes understand how connectives, such as "in contrast" and "because", signal relationships between text propositions. Standardized tasks of vocabulary, listening comprehension, word reading, and a researcher-designed text cohesion…

Exploration of the usefulness of a visual preference technique for assessing word comprehension in infants demonstrated increases in comprehension from 8 to 14 and 14 to 20 months; established longitudinal stability of comprehension from 14 to 20 months; and showed a profound effect of stimulus salience and the lack of sex differences in word…

Toddlers in the lowest 10th percentile for lexical production were compared with age- and language-matched controls on measures of phonetic complexity, lexical development, and grammatical complexity. Results indicate an overlap between phonology, lexicon, and grammar and suggest the importance of true consonant production for lexical development.…

Three discourse-related formal aspects of model-imitation pairs were analyzed longitudinally in successive samples from two Hungarian children. Results revealed an unbroken developmental trend leading to lexically coherent conversational replies and that imitation aided the children in learning the lexicon, making phonological approximations of…