Gopalan, RT & Piking, ET. (2016). The Effectiveness of the Picture Exchange Communication System (PECS) in autism.

Imperial Journal of Interdisciplinary Research, 2, 455-461. (Malaysia).
 Abstract: The purpose of this study was to determine the effectiveness of the use of the Picture Exchange Communication System (PECS) on the improvement of functional communication skills among children with autism. Method: Case study design with pre and post assessment was used. A four year old child diagnosed to have autism was participated in the study. In the study only two of the six PECS phases (the Physical Exchange and Distance and Persistence) were selected to teach the child because of lack of language ability. Result: The data from this study indicates that in terms of the PECS acquisition data in phase 1 and 2, and the PECS did improve the participant’s functional communication skills, especially the ability to request edibles, toys or activities, given choice and greeting. Conclusion: A visual inspection of the data collected revealed that overall the participant in the study had improved some functional communication skills that would allow him to appropriately communicate his basic wants and needs which indicate that PECS is effective.

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