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Direct linkBeck, Ann R.; Stoner, Julia B.; Bock, Stacey J.; Parton, Tom – Education and Training in Developmental Disabilities, 2008
This study compares use of the Picture Exchange Communication System (PECS) and a Voice Output Communication Aide (VOCA) with four preschool children who were either non-speaking or limited in their ability to speak and did not use an AAC system to communicate functionally. An alternating treatment single subject design was used to measure…
Descriptors: Augmentative and Alternative Communication, Preschool Children, Developmental Disabilities, Autism
Tincani, Matt; Crozier, Shannon; Alazett, Shannon – Education and Training in Developmental Disabilities, 2006
We examined the effects of the Picture Exchange Communication System (PECS; Frost & Bondy, 2002) on the manding (requesting) and speech development of school-aged children with autism. In study 1, two participants, Damian and Bob, were taught PECS within a delayed multiple baseline design. Both participants demonstrated increased levels of manding…
Descriptors: Reinforcement, Augmentative and Alternative Communication, Autism, Preadolescents
