PECS

The Picture Exchange Communication System(PECS) is a form of Augmentative and Alternative Communication system. it is common ly used as a communication aid for children with autism spectrum disorder(ASD).

PECS protocol is based on the principles with desired item.It has six phases

• Phase 1: How to communicate
• Phase 2: Distance and persistance
• Phase 3: Discrimination
• Phase 4: Using phrases
• Phase 5: Answering a direct question
• Phase 6:Commenting

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