Articulation or phonology? Evidence from longitudinal error data

Journal article


Dodd, Barbara, Reilly, Sheena, Ttofari Eecen, K. and Morgan, Angela T.. (2018). Articulation or phonology? Evidence from longitudinal error data. Clinical Linguistics & Phonetics. 32(11), pp. 1027 - 1041. https://doi.org/10.1080/02699206.2018.1488994
AuthorsDodd, Barbara, Reilly, Sheena, Ttofari Eecen, K. and Morgan, Angela T.
Abstract

Children’s speech difficulties can be motor (phone misarticulation) or linguistic (impaired knowledge of phonological contrasts and constraints). These two difficulties sometimes co-occur. This paper reports longitudinal data from the Early Language in Victoria Study (ELVS) at 4 and 7 years of age. Of 1494 participants, 93 made non-age appropriate speech errors on standardised assessments at 4 years, and were able to be reassessed at 7 years. At 4 years, 85% of these children only made phonological errors, 14% made both articulation and phonological errors and one child only made articulation errors (a lateral lisp). In total, 8 of 13 children making both articulation and phonological errors at 4 years had resolved by 7 years. Unexpectedly, eight children who had demonstrated articulation of fricatives at 4 years, acquired distorted production of ≥ 50% of occurrences of/s, z/ by 7 years. In total, then, 22 children (24% of children with speech difficulties) made articulatory errors at one or both assessments. Case data for all children are presented. Theoretical and clinical implications are considered.

Keywordslongitudinal study; articulation disorder; phonological delay; phonological disorder; developmental change
Year2018
JournalClinical Linguistics & Phonetics
Journal citation32 (11), pp. 1027 - 1041
PublisherTaylor & Francis
ISSN0269-9206
Digital Object Identifier (DOI)https://doi.org/10.1080/02699206.2018.1488994
Scopus EID2-s2.0-85049581021
Page range1027 - 1041
Research GroupSchool of Allied Health
Publisher's version
File Access Level
Controlled
Grant IDNHMRC/1105008
NHMRC/1116976
Place of publicationUnited Kingdom
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