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 We systematically reviewed published and unpublished single-case PECS studies for details about the percentage of participants…

Objectives: To evaluate the effects of a program for training direct-care staff to implement an iPad®-based communication intervention with adults with developmental disability and severe communication impairment. Methods: Participants were 11 adults with developmental disability and 19 direct-care staff drawn from two day program settings.…

The purpose of this study was to observe and implement strategies and adaptations in an arts program for adults with atypical communication due to developmental and intellectual disabilities. This study was conducted in the field using an action research approach with triangulated methods of data collection including semi-structured interviews,…

The purpose of this study is to evaluate the effects of "Picture Exchange Communication System" (PECS) training, using a multiple baseline design on the independent initiations of three adults with developmental disabilities and severe communication deficits. All participants increased their independent initiations, although at different…

Purpose: To investigate a model of language development for nonverbal preschool-age children learning to communicate with augmentative or alternative communication. Method: Ninety-three preschool children with intellectual disabilities were assessed at Time 1, and 82 of these children were assessed 1 year later, at Time 2. The outcome variable was…

A repeated measures design was used to investigate the effect of group intervention on the teaching of partner-focused questions to people who use augmentative and alternative communication (AAC), and the perceived communicative competence before and after intervention of the AAC users. Six participants who had severe speech impairments…

The effectiveness of a behavioral skills training (BST) package to teach the implementation of the first three phases of the picture exchange communication system (PECS) was evaluated with 3 adults who had no history teaching any functional communication system. A multiple baseline design across participants was used to evaluate the effectiveness…

Staff at a day program were trained in Augmentative/Alternative Communication (AAC) strategies and techniques. The goal was to provide training that would allow staff at the centre to use communication strategies when working with their clients. Two training sessions were provided on AAC and communication strategies for all staff at the centre.…

This authoritative handbook reviews the breadth of current knowledge about developmental disabilities: neuroscientific and genetic foundations; the impact on health, learning, and behavior; and effective educational and clinical practices. Leading authorities analyze what works in intervening with diverse children and families, from infancy…

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…