Core vocabulary is defined as "lexical items that are accepted as being central and indispensable to language use" (Bell, 2012, p. 1). Use of core vocabulary is common amongst professionals who teach augmentative and alternative communication (AAC) to individuals with disabilities. Although the use of AAC is often classified as an…

Applied Behavior Analysis (ABA) is the branch of behavior science focused on solving problems of social significance. For over six decades, ABA researchers and practitioners have sought to improve the lives of people with intellectual and developmental disabilities (IDD) through application of evidence-based supports. Influenced by the disability…

In both research and practice, gaining assent from participants is an ethical imperative in applied behavior analysis. Recent guidance for including assent-based procedures has been provided in the literature (Breaux & Smith, 2023). However, limitations for decision-making when working with individuals who have developmental disabilities and…

Many children with intellectual and/or developmental disabilities benefit from augmentative and alternative communication strategies (AAC) to increase their communicative competency. Furthermore, caregiver-implemented AAC interventions are an effective and efficient strategy to improve communication outcomes. We reviewed the caregiver-implemented…

The Picture Exchange Communication System (PECS) is a popular augmentative and alternative communication intervention for individuals with developmental disabilities that includes six, sequential phases of instruction. We systematically reviewed published and unpublished single-case PECS studies for details about the percentage of participants…

Parent training programs aimed at improving language outcomes for children with complex communication needs have predominantly been evaluated on child-centered outcomes and less often on the impact on social life or parental well-being. This study examined parent perceptions of social life before and after ComAlong, a group intervention providing…

Eye tracking research technologies are often used to study how individuals attend visually to different types of AAC displays (e.g. visual scene displays, grid displays). The assumption is that efficiency of visual search may relate to efficiency of motor selection necessary for communication via aided AAC; however, this assumption has not…

The general education classroom is filled with academic vocabulary, and individuals with developmental disabilities benefit from explicit vocabulary instruction (Browder et al., 2008; Marzano, 2020; Smith et al., 2013). Picture-based alternative and augmentative communication (AAC) can encourage academic skills development (Ahlgrim-Dehzel et al.,…