Overview

This study is testing the effectiveness of augmentative and alternative communication technology among deaf or hard of hearing children for improving language development. Children will be randomized to receive either the technology intervention or treatment as usual

Eligibility

Inclusion Criteria:

• Age 3-10 years
• Documented permanent bilateral hearing loss with severity levels clinically defined moderate to profound).
• Identified with a language deficit, defined by either the ratio of language standard scores to nonverbal intelligence quotient <.85 or a differences in nonverbal IQ and language standard scores of 10 points. Language scores may either be receptive or expressive.
• Currently receiving speech-language therapy.

Exclusion Criteria:

Mild hearing loss and unilateral hearing loss

• primary language other than English
• significant motor impairments
• nonverbal IQ <80
• children with severe communication disorders (i.e. autism spectrum disorders).