Purpose: This study examined the extent to which children with specific language impairment (SLI) across Germanic languages differ from their typically developing (TD) peers in the use of past tense morphology. Method: A systematic literature search identified empirical studies examining regular and/or irregular past tense production by English…

Purpose: To identify, integrate, and summarize evidence from empirical studies of the language abilities of children who stutter (CWS) and children who do not stutter (CWNS). Method: Candidate studies were identified through electronic databases, the tables of contents of speech-language journals, and reference lists of relevant articles and…

Purpose: In working with children with language impairments, some clinical scholars and clinicians advocate using input that is simplified to the point of being ungrammatical (telegraphic input), while others advocate simplified but grammatical input. This article considers 2 types of external evidence on this topic. Method: First, a meta-analysis…