It remains unclear whether pragmatic language skills and core language skills (grammar and vocabulary) are distinct language domains. The present work aimed to tease apart these domains using a novel online assessment battery administered to almost 400 children aged 7 to 13 years. Confirmatory factor analysis indicated that pragmatic and core…

Categorical induction abilities are robust in typically developing (TD) preschoolers, while children with Autism Spectrum Disorders (ASD) frequently perform inconsistently on tasks asking for the transference of traits from a known category member to a new example based on shared category membership. Here, TD five-year-olds and six-year-olds with…

This study evaluated the development of vocabulary knowledge over the course of two academic years, beginning in preschool, in a large sample (N = 944) of language-minority children using scores from single-language vocabulary assessments and conceptual scores. Results indicated that although children began the study with higher raw scores for…

Nineteen shy, twenty-three middle and twenty-five non-shy junior kindergarten children were assessed at school by an unfamiliar examiner, and at home where their parents administered a parallel form of the expressive and receptive vocabulary tests given at school. A speech sample between the child and parent was also collected at home. Shy…

Communicative Development Inventories (CDIs) were collected from 669 British Children aged between 1 and 2 years. Comprehension and production scores in each age group were calculated. This provides norming data for the British infant population. Data from British infants is compared to data from American infants. (Author/VWL)

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…

A validation study of five checklists for assessing two-year-olds' word production revealed that the lists produced comparable mean production scores, reflected age differences, and preserved individual differences in total production and in production of linguistic categories such as nouns, verbs, open class items, and closed class items.…

Analysis of data from studies investigating the effectiveness of a parent report form for assessing children's early language development showed that the vocabulary checklist had substantial validity, and that it helped parents to provide a valuable overall evaluation of their children's language at 20 months. (Author/CB)

Discusses construction of the Hebrew Communicative Development Inventory (HCDI), an adaptation of the MacArthur Communicative Development Inventory (MCDI). The HCDI was administered to a stratified sample of Israeli mothers of 253 toddlers. Results are presented and compared with scores from the MCDI. Results indicate that conclusions concerning…