Purpose: This systematic review provides a comprehensive summary of the diagnostic accuracy of English language sample analysis (LSA) measures for the identification of developmental language disorder. Method: An electronic database search was conducted to identify English publications reporting empirical data on the diagnostic accuracy of English…

Purpose: The aim of this study was to examine the degree to which quantitative aspects of dosage (dose, dose frequency, and total intervention duration) have been examined in intervention studies for children with developmental language disorder (DLD). Additionally, to establish the optimal quantitative dosage characteristics for phonology,…

Purpose: The aim of this study was to extract key learning from intervention studies in which qualitative aspects of dosage, "dose form," have been examined for children with developmental language disorder (DLD)--in vocabulary, morphosyntax, and phonology domains. This research paper emerged from a pair of systematic reviews, aiming to…

Purpose: Specific language impairment (SLI; see also developmental language disorder) and dyslexia are separate, yet frequently co-occurring disorders that confer risks to reading comprehension and academic achievement. Until recently, most studies of one disorder had little consideration of the other, and each disorder was addressed by different…

Purpose: The purpose of this meta-analysis was to investigate the effects of augmentative and alternative communication (AAC) interventions that included aided AAC input (e.g., aided AAC modeling, aided language modeling, aided language stimulation, augmented input) on communicative outcomes (both comprehension and expression) for individuals with…

Linguistic and cognitive assessment of children whose home language is not English involves numerous complex issues: criteria for labeling minority children cognitively deficient, relationship between bilingualism and cognitive development, acquisition of Spanish and English by bilingual children, and design of programs for non-English speaking…