Table 3.

Stages of PECS.

Stage Name	Description	Outcome
How to Communicate	Children learn to exchange pictures of objects or activities they desire.	Training to take the picture from the table and put the image in the hands of the communication partner.
2.Distance and Persistence	Children learn to generalize this new skill if they continue to use individual images in different places and with different individuals. They are also taught to be more persistent and persistent in communication.	He goes to the profile, grabs the photo, goes to the communication partner, gets attention, and leaves the picture in hand.
3.Picture Discrimination	Children learn to choose between two or more pictures to order the things they want.	To ask for the things he wants by moving to the communication book and choosing the appropriate image from among several images
4.Sentence Structure	Children learn to attach a simple sentence to tape using the picture “I want” followed by a picture of the required thing.	To request existing and non-existent things using multi-word phrases by navigating to the communication file and taking a picture (I want) + (picture of the desired thing) and placing it on the sentence bar and taking the sentence bar from the communication file and directing it to the communication partner and giving it to him
5.Answering Questions	Children learn to use PECS to answer the question, “What do you want?”	To automatically ask for many things and to answer the question (What do you want?)
6.Commenting	Children are now learning how to comment in response to questions such as: “What do you see?”, “What do you hear?” And “What is this?” They also learn how to construct sentences starting with “I see”, “hear”, “feel”, “it”, and so on.	To answer (What do you want?) (What do you see?) (What do you hear?) (What is this?) And automatically ask and comment on events he sees.