Assessed long-term predictive validity of the MacArthur Communicative Development Inventories: Words and Sentences (CDI:WS) for children's expressive and receptive vocabulary development. Sixty-one New Zealand children were assessed with a New Zealand version of the CDI, and with the Expressive Vocabulary Test and Peabody Picture Vocabulary…

This study examined the effects of being born very preterm on children's early language development using prospective longitudinal data from a representative regional cohort of 90 children born very preterm (gestational age less than 33 weeks and/or birth weight less than 1,500 grams) and a comparison sample of 102 children born full term…

As welfare-to-work reforms increase women's labor market attachment, the lives of their young children are likely to change. This note draws on a random-assignment experiment in Connecticut to ask whether mothers' rising employment levels and program participation are associated with changes in young children's early learning and cognitive growth.…

Patterns of growth in one language in relation to growth in the other and also with respect to growth in both languages were studied in a group of 20 bilingual (English/Spanish) infants ages 10 to 30 months. The rate and pace of development were similar in both groups; differences among the bilinguals included their use of "referential"…

Administered the MacArthur Communicative Development Inventory to 25 bilingual (English/Spanish) and 35 monolingual children who were furnishing data for longitudinal study. Assessment of the degree of overlap between bilingual children's lexical development in their two languages showed that they developed early vocabulary at the same rate as…

Productive vocabulary composition is investigated in 17-month-old children who are participating in an ongoing longitudinal dyslexia research project in the Netherlands. The project is searching for early precursors for dyslexia and follows a group of children who are genetically at risk for dyslexia and a control group during the first 10 years…

Data from parent reports on 1,803 children, derived from the MacArthur Communicative Development Inventories, are used to describe the course of communicative development between 8 and 30 months of age. Found wide variability in children's rate of lexical, gestural, and grammatical development; correlations between several components of language…

This study examined parental report as a source of information about toddlers' productive vocabulary in 105 low-income families living in either urban or rural communities. Parental report using the MacArthur Communicative Development Inventory-Short Form (CDI) at child age 2;0 was compared to concurrent spontaneous speech measures and…

Approximately 400,000 preschool children have a major neurodevelopmental disorder impacting on mobility, cognitive-adaptive, or communicative skills. As many as 1 in 3 children live at psychosocial disadvantage because of poverty, parental mental illness or substance misuse, or low parental educational (i.e. less than high school). In the past…