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Gierut, Judith A.; Morrisette, Michele L.; Champion, Annette Hust – Journal of Child Language, 1999
The lexical variables of word frequency and neighborhood density were hypothesized to facilitate sound change to varying degrees. Twelve children with functional phonological delays participated in an alternating-treatments experiment to promote sound change. Results indicated word frequency was most facilitative in sound change, whereas dense…
Descriptors: Child Language, Language Acquisition, Language Impairments, Language Research

Gierut, Judith A.; Dinnsen, Daniel A. – Applied Linguistics, 1987
Analyzed sound systems of six phonologically disordered children and assessed relative phonological knowledge of target sounds. After-treatment results indicated that error sounds of which the children had the most knowledge were easiest to learn. Treatment beginning with the most difficult sounds resulted in more widespread changes in the…
Descriptors: Child Language, Cognitive Development, Developmental Psychology, Error Analysis (Language)