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Direct linkErtmer, David J.; Stoel-Gammon, Carol; Ertmer, David J.; Stoel-Gammon, Carol – Volta Review, 2008
Prelinguistic vocal development is "the process by which infants and toddlers produce increasingly more complex, phonetically diverse, and speech-like utterances before they say words on a regular basis" (Ertmer, 2005, p. 85). Research has shown that children with bilateral, moderate-to-profound hearing loss experience delays and deficits in vocal…
Descriptors: Speech, Hearing Impairments, Measures (Individuals), Sensory Aids
