The primary benefit of teaching the 'comment' function in Picture Exchange Communication System (PECS) is to establish a functional communication exchange where the communication partner responds to the child’s request with more than just giving the requested item. PECS is a structured teaching protocol designed to teach individuals with autism or other communication challenges to initiate communication using pictures. Initially, PECS focuses on teaching the child to request items they desire by exchanging a picture of that item with a communication partner. This is known as Phase ....
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