A Randomized Controlled Trial Comparing Face-to-Face Versus Remote Delivery of Low-Tech Augmentative and Alternative Communication in Nonspeaking Children With Autism Spectrum Disorder.

Abstract

Thirty percent of children diagnosed with autism spectrum disorder (ASD) do not develop spoken language. To provide a means of communication for this subset of the population, augmentative and alternative communication (AAC) systems are often utilized. Low-tech options have traditionally been delivered through the in-person modality. However, due to the COVID-19 pandemic, changes to service delivery models have been required. This randomized controlled trial was conducted in order to assess the efficacy of low-tech AAC delivered face-to-face versus remotely on communication outcomes in nonspeaking children with ASD. Both participant groups demonstrated similar gains in AAC proficiency, number and type of nonspeaking acts, and number of spoken communication acts. Remote delivery of low-tech AAC treatment is a viable alternative to face-to-face instruction.