Researchers have shown that behavioral interventions that incorporate communication as a focus have demonstrated efficacy for individuals with intellectual and developmental disabilities (IDD). Researchers have demonstrated that individuals with IDD allocate responding to one communicative response modality over others when multiple communicative…

Differential reinforcement of alternative behavior (DRA) is a common strategy for escape-maintained behaviors targeted for reduction (i.e., targeted behavior) exhibited by youth with intellectual and developmental disabilities. DRA often involves various methods of prompting to ensure the instruction or task remains in place until contingencies…

Functional communication training is a widely used function-based intervention to replace inappropriate and severe challenging behavior (Tiger et al., 2008). When considering which FCR topography to include in functional communication training, clinicians may consider several factors such as response effort, social significance, and preference.…

The American Speech-Language-Hearing Association (n.d.) suggests that acquisition and use of augmentative and alternative communication (AAC) is dynamic and that learning multiple modalities may be beneficial particularly for those individuals with severe disabilities. Evaluation of response variability after training multiple modalities has yet…