Hearing Loss, Language Development, Social Behavior
Conditions
Brief summary
This study evaluates the efficacy of using augmentative and alternative communication (AAC) technology for enhancing language development in children who are deaf or hard of hearing. Half of the participants will receive AAC technology with their speech and language therapy and half will continue with their usual care models.
Interventions
No change to the therapy care received
Sponsors
Study design
Eligibility
Inclusion criteria
* documented permanent bilateral hearing loss with severity levels clinically defined in any range (mild to profound); * identified with a language gap; * currently receiving speech-language therapy.
Exclusion criteria
* primary language other than English * significant motor impairments * nonverbal IQ \<60 * children with severe communication disorders (i.e. autism spectrum disorders).
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Syntax | Change between baseline and 24 weeks | Evaluated using the mean length of utterance in morphemes collected from language samples. Assessing change between baseline and 24 weeks. |
| semantics | Change between baseline and 24 weeks | Variety and total number of vocabulary words used collected from language samples.Assessing change between baseline and 24 weeks. |
| Discourse | Assessing change between baseline and 24 weeks. | Child's mean turn length in words collected from language samples. Assessing change between baseline and 24 weeks. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| Language standard scores (receptive and expressive) | Assessing change between baseline and 24 weeks. | Receptive language (what a child understands) and expressive language (what a child says) as measured by standardized language assessment. |
| Social functioning | Assessing change between baseline and 24 weeks. | Social functioning as measured by parent-reported assessments or scales |
Countries
United States