Several recent studies have explored the applicability of the preferential attachment principle to account for vocabulary growth. According to this principle, network growth can be described by a process in which existing nodes recruit new nodes with a probability that is an increasing function of their connectivity within the existing network.…

Verbal fluency tasks are used extensively in clinical settings because of their sensitivity to a wide variety of disorders, including cognitive decline and dementia, and their usefulness in differential diagnoses. However, the effects of bilingualism on neuropsychological assessment, and verbal fluency in particular, are currently not completely…

Children's communication performance improves with age, which could result from increases in children's vocabularies, changes in their strategies of selecting messages from their vocabularies, or both. Three experiments were conducted to evaluate these explanations. Two types of communication tasks were employed. These data suggest younger…

Examines the CDI-WORDS Short Form vocabulary checklist as an index of language production. The study focuses on the associations between this short form and directly observed measures of lexical production; the associations between short-form checklists administered at different ages; the predictive associations between short form scores and…