Individuals who use augmentative and alternative communication (AAC) are often excluded from learning literacy skills that use phonological approaches due to challenges with verbal production of speech sounds. This study was conducted to evaluate the effectiveness of systematic literacy instruction with materials modified to teach letter-sound…

Many adults with Down syndrome (DS) experience difficulty with speech production, and intelligibility challenges and communication breakdowns are common. Augmentative and alternative communication (AAC) intervention can provide important supports for persons with these complex communication needs but must be customized to address the goals,…

Purpose: Social interaction poses many challenges for adolescents with autism spectrum disorder (ASD) and complex communication needs. The purpose of this study was to investigate the impact of video visual scene displays (video VSDs) on communication during interactions between adolescents with ASD and peer partners. Method: This study used an…

The purpose of this study was to investigate the effects of an augmentative and alternative communication (AAC) app with transition to literacy (T2L) software features (i.e., dynamic text and speech output upon selection of a graphic symbol within the grid display) on the acquisition of 12 personally relevant single words for individuals with…

Background: The current study investigated the impact of an intervention that included aided augmentative and alternative communication (AAC) technologies on the frequency of symbolic communication turns of school-age children, adolescents, and young adults with severe disability. Method: Nine students ages 8-20 were engaged in interactive…

The purpose of this study was to investigate the effects of Transition to Literacy (T2L) software features (i.e., dynamic text and speech output upon selection of a graphic symbol) within a grid display in an augmentative and alternative communication (AAC) app on the single-word reading skills of five individuals with severe disabilities and…

Speech-language pathologists, special education teachers, and occupational therapists are all likely to encounter individuals with complex communication needs who require augmentative and alternative communication (AAC) in clinical and educational practice. The research on preservice AAC training for these professionals was thus reviewed to…

This study examined the effectiveness of an instructional program designed to teach grammar skills to individuals who communicated via augmentative and alternative communication (AAC). A single-subject, multiple probe across behaviors design was used to measure the effect of the instructional program on the acquisition and maintenance of the…