autism | expanding spontaneity | graphic | iconicity | PECS | physical exchange | request
Picture exchange communication system (PECS) may help children with autism learn to request even if the pictures in the PECS do not look exactly like the item that is being asked for.
This study was designed to see if PECS works best if the pictures look exactly like the item (iconicity) that is being asked for. The authors found that PECS does help children with autism learn to ask for things using graphic symbols. The authors also found that it did not matter if the picture looked just like the item that was being asked for. These results are different from results of earlier studies that showed that PECS worked better if the pictures looked just like the item. The study only looked at the first two phases of PECS (physical exchange and expanding spontaneity).
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