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Research Articles

Backward chaining and speech-output technologies to enhance functional communication skills of children with autism spectrum disorder and developmental disabilities

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Pages 251-262 | Received 08 Oct 2018, Accepted 05 Jul 2019, Published online: 26 Dec 2019
 

Abstract

Behavioral intervention packages in combination with speech output technologies have been utilized to develop communication skills of children with autism spectrum disorder (ASD) and other developmental disabilities. The current study aimed to extend previous research (Gevarter et al.; Gevarter & Horan) by examining the effects of backward chaining in combination with least-to-most prompting, time delay, and differential reinforcement on the acquisition of functional communication skills. A multiple probe across participants design was used embedded with a changing criterion design. For the study, three male children with ASD or developmental disabilities and minimal vocal communication skills participated. The results indicated that the intervention was effective in increasing both iPadFootnote1©-based and vocal requesting of all participants, two of whom were able to maintain vocal requesting after the termination of intervention. Implications for future research and practice are discussed.

Disclosure statement

No potential conflict of interest was reported by the authors.

Notes

1 iPad is a product of the Apple Corporation, Inc., Cupertino, California, www.apple.com

2 Proloquo2Go is a registered trademark of AssistiveWare B.V., Amsterdam, The Netherlands, www.assistiveware.com

3 Picture exchange communication system (PECS) is a registered trademark of Pyramid Educational Consultants, Inc., New Castle, Delaware, www.pecsusa.com

4 GoTalk Now Free App is a registered trademark of Attainment Company, Inc., Verona, Wisconsin, www.attainmentcompany.com

5 Comprehensive Assessment of Spoken Language is a norm-reference assessment is registered trademark of WPS Online Evaluation System, www.platform.wpspublish.com

6 SymbolStix is a registered trademark of SymbolStix Prime LLC, Hurron, Ohio, www.n2y.com/symbolstix-prime

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