Behaviour Change, 24, 1–8.
Abstract: The Picture Exchange Communication System (PECS) is widely used to teach children with language delays, including those with autism, functional language. A feature of PECS is that it incorporates principles deemed by some to be pivotal, leading to broader behaviour change. Lee Mas...
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Journal of Positive Behavior Intervention, 3, 194‐198.
Abstract: Research in the area of behavior support has repeatedly demonstrated the positive effects of learning more effective and efficient communication on the challenging behaviors of individuals with developmental disabilities. More recently, augmentative and alternative communication strategies have been receiving increased attention as primary teaching goals for young children with autism. Lee Mas...
Augmentative and Alternative Communication, 25, 250‐261.
Abstract: Many children with autism require intensive instruction in the use of augmentative or alternative communication systems, such as the Picture Exchange Communication System (PECS). This study investigated the use of PECS with three young boys with autism to determine the impact of PECS training on use of pictures for requesting, use of intelligible words, and maladaptive behaviors. Lee Mas...
Nippon Rinsho, 65, 516‐21.
Abstract: We describe the behavior analytic approach to helping people with Asperger syndrome regarding social interaction and communication issues. In the behavior analytic approach, the cause of maladaptive behavior is not attributed to the disability itself. Lee Mas...
Journal of Positive Behavior Interventions, 8, 67–78.
Abstract: A critical measure of intervention effectiveness is durability over time. Still, few studies have examined the long‐term outcomes of support derived from a functional behavioral assessment as well as enablers and barriers that contribute to or impede successful outcomes. Lee Mas...
Journal of Applied Behavior Analysis, 42, 541‐9.
Abstract: 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 three adults who had no history teaching any functional communication system. Lee Mas...
Japanese Journal of Special Education, 43, 485‐503.
Abstract: he Picture Exchange Communication System (PECS) is widely used with non‐verbal children with autistic disorders as an Augmentative and Alternative Communication (AAC). Most of the participants in prior research on that method, although referred to as non‐verbal, had initial vocal repertoires of at least a few words. The purpose of the present study was to examine whether 3 elementary‐school‐age children with autistic disorders whose vocal repertoires were severely limited, such as only a few phonemes, could acquire elementary communication skills using PECS. Lee Mas...