This study explored performance on expressive and receptive graphic symbol tasks and spoken comprehension by individuals who use augmentative and alternative communication (AAC) as well as the relationship of performance with participants' skills and characteristics. Participants were 19 children and youth (aged 5- to 18-years-old) who used aided…

A study compared intelligibility and speech rate differences following speaker implementation of 3 strategies (topic, alphabet, and combined topic and alphabet supplementation) and a habitual speech control condition for 5 speakers with severe dysarthria. Combined cues and alphabet cues yielded significantly higher intelligibility scores and…

Ten individuals (ages 14-51) with autism participated in 6 experimental facilitated communication sessions, 2 with no help, 2 with partial assistance, and 2 with full assistance. Within each session, the facilitator had knowledge of the experimental stimuli on half of the trials. Results revealed no cases of correct responding independent of…

Nineteen adults with developmental disabilities, judged competent in facilitated communication, participated in a validation study using an information passing design requiring short-term recall of stimulus cards with shapes, colors, and numbers. Results failed to validate facilitated communication for the group as a whole, any individual…