Jeff Sigafoos

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This paper provides an overview of the literature dealing with the use of the Picture Exchange Communication System (PECS) and voice output communication aids (VOCAs) for promoting the performance of(More)
This paper presents an overview of the studies directed at helping post-coma persons with minimally conscious state improve their adaptive behavior. Twenty-one studies were identified for the(More)
OBJECTIVE To compare how quickly children with autism spectrum disorder (ASD) acquired manual signs, picture exchange, and an iPad/iPod-based speech-generating device (SGD) and to compare if children(More)
We compared the effectiveness of a problem-solving and an external control intervention to teach social skills to five adults with mild intellectual disabilities. The social skills of "responding to(More)