Early Augmentative and Alternative Communication (AAC) Intervention Delivered Via Hybrid Telehealth
Intellectual Disability, Speech and Language Disorder
About this trial
This is an interventional treatment trial for Intellectual Disability
Eligibility Criteria
Speech-Language Pathologists: age > 18 years full or part-time employment providing language intervention to children 24 - 36 months with IDD has at least 1 child on their caseload who uses AAC has 2 or more years of experience providing AAC to children with IDD able to speak, understand, and read English. Caregivers: age > 18 years parent, primary caregiver, or legal guardian of a child age 24 - 36 months with IDD has at least 6 months of experience receiving early intervention, and able to speak, understand, and read English. Children: age 24 - 36 months diagnosis of IDD confirmed by caregiver or medical record severe developmental delay, defined as a score of > 2 standard deviations below the mean on the Mullen Scales of Early Learning (MSEL) Early Learning Composite severe expressive language impairment, defined as a score of < 12 months on the Expressive Language Subscale of the MSEL and expressive vocabulary and < 10 words (signs, or symbols) per caregiver report on the MacArthur-Bates Communicative Development Inventories Words and Gestures (MCDI-WG) receptive vocabulary of at least 50 words, per caregiver report on MCDI-WG use of intentional communication behaviors, defined as a score of > 7 on the Communication Complexity Scale sufficient motor skills to sit upright with support, interact with toys provided during the assessment, and access the AAC system hearing within normal limits, defined as 0 to 25 dbHL in at least one ear vision within normal limits, defined as 20/80 visual acuity or better in at least one eye, and exposure to English in the home or community. Children with uncontrolled seizure disorders will be excluded.
Sites / Locations
- Oregon Health and Science UniversityRecruiting
Arms of the Study
Arm 1
Experimental
Early Augmentative and Alternative Communication (AAC) Intervention
After a period of stable baseline performance (3 to 5 sessions) on parent and child outcomes, the interventionist will apply the early AAC intervention.