Purpose: This study examined the effect of Vocabulary Acquisition and Usage for Late Talkers (VAULT) treatment on toddlers' expressive vocabulary and phonology. Parent acceptability of VAULT treatment was also considered. Method: We used a nonconcurrent multiple baseline single case experimental design with three late talking toddlers aged 21-25…

Purpose: We report on a replicated single-case design study that measured the feasibility of an expressive vocabulary intervention for three Cantonese-speaking toddlers with small expressive lexicons relative to their age. The aim was to assess the cross-cultural and cross-linguistic feasibility of an intervention method developed for…

Purpose: This study explored whether measures of working memory ability contribute to the wide variation in 2-year-olds' expressive vocabulary skills. Method: Seventy-nine children (aged 24-30 months) were assessed by using standardized tests of vocabulary and visual cognition, a processing speed measure, and behavioral measures of verbal working…

Purpose: There is general consensus that the ability to repeat nonsense words is related to vocabulary size in young children, but there is considerable debate about the nature of the relationship and the mechanisms that underlie it. Research with adults has proposed a shared neural substrate for nonword repetition (NWR) and language production,…