Developmental features of speech-sound production in language-impaired children

Felicie Affolter, R. Brubaker, W. Franklin

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


The speech-sound production of severely language-impaired children was monitored in a longitudinal study. In order to generalize findings, acoustical, phonemic, and clinical observation data were collected from 30 children. Results showed that speech-sound acquisition goes through a hierarchical sequence of development and that speech-sound production will deteriorate in a predictable manner depending on the pathology. The authors hypothesize a speech-sound acquisition model, SSAM, based on the development observed.

Original languageEnglish (US)
Pages (from-to)213-241
Number of pages29
JournalJournal of Psycholinguistic Research
Issue number3
StatePublished - May 1 1978


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