Susan Rvachew, MSc
Elzbieta B Slawinski, PhD
Megan Williams, MSc
Carol Green, MSc
|Abstract||This paper describes the early speech development of two normally developing infants during the period six through 18 months of age, one of whom suffered chronic otitis media with effusion during the first year of life. Four different methods of phonetic and acoustic analysis of speech were used. The infraphonological (Oller, 1986) and vowel formant analyses proved most sensitive to differences in speech development for the two boys. The babbling level analysis (Stoel-Gammon, 1989) was quite sensitive to differences in phonetic development when the subjects were 15 and 18 months old, but may not be appropriate for younger infants. The phonetic contrast estimators (Bauer, 1988) appear to be a useful research tool but did not yield results that varied with the subjects' developing language abilities in this study.|
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