Purpose: The aim of this article was to explore how the type of allomorph (e.g., past tense buzz[ d ] vs. nod[ ?d ]) influences the ability to perceive and produce grammatical morphemes in children with typical development and with specific language impairment (SLI). Method: The participants were monolingual Australian English--speaking children.…

While little is known about why children make speech errors, it has been hypothesized that cognitive-linguistic factors may underlie phonological speech sound disorders. This study compared the phonological short-term and phonological working memory abilities (using immediate memory tasks) and receptive vocabulary size of 14 monolingual preschool…