Phonological development in lexically precocious 2-year-olds

Bruce L. Smith, Karla K. Mcgregor, Darcie Demille

Research output: Contribution to journalArticle

35 Scopus citations

Abstract

To examine interactions between young children's vocabulary size and their phonological abilities, spontaneous language samples were collected from 24-month-olds with precocious lexicons, their age mates (24-month-olds with average-sized lexicons), and their vocabulary mates (30-month-olds with average-sized lexicons). Phonological ability was measured in a variety of ways, such as the number of different consonants that were targeted, the number of different consonants produced correctly, the percentage of consonants produced correctly, and the occurrence of phonological processes. The lexically precocious 24-month-olds were similar to their vocabulary mates on most measures of phonological ability, and both of these groups were generally superior to the 24-month-olds with smaller lexicons. These findings supported a hypothesized relationship between lexicon size and phonological performance, and demonstrated that 2-year-olds' phonological development is more closely related to size of the lexicon than chronological age.

Original languageEnglish (US)
Pages (from-to)355-375
Number of pages21
JournalApplied Psycholinguistics
Volume27
Issue number3
DOIs
StatePublished - Jul 2006

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Language and Linguistics
  • Linguistics and Language
  • Psychology(all)

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