Comparing two types of augmentative and alternative communication systems for children with autism

  title={Comparing two types of augmentative and alternative communication systems for children with autism},
  author={Seung Hyun Son and Jeff Sigafoos and Mark F. O'Reilly and Giulio E. Lancioni},
  journal={Pediatric Rehabilitation},
  pages={389 - 395}
This study compared acquisition and preference for two types of augmentative and alternative communication (AAC) systems in three pre-schoolers with autism. Acquisition of requesting behaviour using a picture-exchange system vs a voice-output communication aide (VOCA) was compared in an alternating treatments design. Following acquisition, both ACC systems were simultaneously available and the child could select which one of the two systems to use. There was little difference between picture… Expand

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