Recent work has demonstrated the importance of derivational morphology to later language development and has led to a consensus that derivation is a lexical process. In this review, derivational morphology is discussed in terms of lexical representation models from both linguistic and psycholinguistic perspectives. Input characteristics, including…

Outlines the stages of prosodic development that children follow from the beginning of word acquisition through the end of the second year of life. How these stages can be used to provide a model for treatment when working with children who display delayed phonological development is addressed. (Author/CR)