The authors conducted a systematic review of the literature, including studies that used a single-case design (SCD) and taught augmentative and alternative communication (AAC) use to adults with complex communication needs. The purpose of this review was to describe (a) adults receiving AAC intervention, (b) components of the interventions used,…

Social positioning involves positioning individuals with extensive support needs (ESN) in proximity to and facing a communication partner, with access to a speech-generating device (SGD). We used a multiple probe design to evaluate if social positioning would increase the symbolic and nonsymbolic communication of 10 adults with ESN when they were…

Purpose: Although there is a strong evidence base supporting the use of augmentative and alternative communication (AAC) in school settings, the research-to-practice gap in this area remains a concern. Few studies have examined how AAC systems are implemented in school settings and whether these systems adequately promote communicative competence…