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7.LA Speech Form 3+

Language Acquisition SLP329

TermDefinition
Error-based analysis at age three. Why? Phonemic inventories track phonemes present, but by age 3, children's speech is nearly adult-like. Correct phonemes outnumber incorrect. It becomes easier to measure errors than successes.
3 types of phonetic errors Substitution, Omission, Distortion
Distortion errors Dentalization, lateralization, derhotacization. These are not universally typical.
Study of arctic development Cross-sectional "acquisition-age" studies. Phonological process studies.
Acquisition-age studies "Mastery age" for individual consonants. Criticism: 1. children do not acquire phonemes individually. 2.uninformative about error type.
Vowel acquisition (3) 1.More than 85% correct production from age 2 (except for the rhotic vowels). 2.Vowels are less likely than consonants to be misarticulated 3. Numerous non-rhotic vowel errors is abnormal over age 2
“Natural” sounds and syllables 1.Manner: most to least natural- Stops, fricatives, affricates (most common earliest manner classes: stops, glides, nasals) 2. Place: Anterior to posterior consonants 3.Most natural syllable shape: CV/CVCV then CVC then CVCC
Structural processes (4) Reduplication, weak syllable deletion, final consonant deletion, cluster reduction
Substitution processes (2) stopping, fronting,
3 types of phonetic errors Substitution, Omission, Distortion
Distortion errors Dentalization, lateralization, derhotacization. These are not universally typical.
Study of arctic development Cross-sectional "acquisition-age" studies. Phonological process studies.
Acquisition-age studies "Mastery age" for individual consonants. Criticism: 1. children do not acquire phonemes individually. 2.uninformative about error type.
Vowel acquisition (3) 1.More than 85% correct production from age 2 (except for the rhotic vowels). 2.Vowels are less likely than consonants to be misarticulated 3. Numerous non-rhotic vowel errors is abnormal over age 2
“Natural” sounds and syllables 1.Manner from most to least natural: Stops, fricatives, affricates (most common earliest manner classes: stops, glides, nasals) 2.Anterior consonants more natural than posterior consonants 3.Most natural syllable shape: CV/CVCV then CVC then CVCC
Structural processes (4) Reduplication, weak syllable deletion, final consonant deletion, cluster reduction
Substitution processes (3) stopping, fronting (velar & palatal), gliding
Assimilation processes (2) progressive, regressive
Phonetic mastery Complete by age 8 with exception of isolated frozen errors (pasghetti)
Phonological representation Age 5-8 development shifts to sound symbol correspondence, metaphonological tasks (rhyming, alliteration, pig-latin, blending/segmenting)
Created by: ashea01