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…

Background: Services employing staff to support people with disability usually provide training in a range of areas including communication and managing challenging behaviour. Given that such training can be costly and time-consuming, it is important to evaluate the evidence presented in support of such programs. Efficacy in clinical practice is…