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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
Yoder, P.; Camarata, S.; Gardner, E. – Journal of Early Intervention, 2005
This purpose of this randomized group experiment was (a) to test the post-treatment (i.e., immediately after treatment) and follow-up (i.e., 8 months after the end of treatment) efficacy of a treatment designed to facilitate both sentence length and speech intelligibility (i.e., broad target recast), and (b) to explore whether pretreatment speech…
Descriptors: Language Impairments, Expressive Language, Effect Size, Outcomes of Treatment