Picture Exchange Communication System (PECS)

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2. Picture Exchange Communication System (PECS) "PECS is a methodology that uses pictures and other symbols to develop a functional communication system for individuals with autism spectrum disorder (ASD). In the early stages of training, PECS teaches students to exchange a picture of the desired item for the actual item. Next steps in training include learning expansion of vocabulary, including attributes (e.g., “big,” “red”) and commenting (e.g., “I like swinging”).” (Association for Science in Autism Treatment, 2016) PECS is divided into six phases (Liddle, 2001, p: 392):
Phase 1 teaches the child the physical exchange, i.e. how to pick up, reach and release the picture in order to request a highly motivating item.
Phase 2 teaches the children ‘persistence and &stance’, i.e. how to remove pictures from the communication board and find a communicative partner then make the physical exchange.
Phase 3 teaches the children how to request specific items
Phase 4 introduces sentence structure. The children are taught to sequence two pictures on a sentence strip, i.e. ‘I want’ plus the desired item.
Phase 5 teaches the children to answer the question ‘what do you want?’
Phase 6 introduces commenting. The children are taught to answer questions such as ‘what do you hear/see?’ Once the child has reached this stage, vocabulary expansion is …show more content…

The results that she gained showed that using PECS as a way for improving communication skills is beneficial. Children who were now able to make sentence strips “I want” plus desired object, are also able to use concepts such as color, size, and number. After doing this experiment, many reports from parents were receive saying how it is much easier to communicate with their children. Also, some comments were received from teachers indicating how autistic children have improved in their ability to take part in classroom

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