What does the "physical exchange" stage in PECS involve?

The "physical exchange" stage in the Picture Exchange Communication System (PECS) specifically involves handing over a picture to another person. This is a foundational step in the PECS protocol where an individual learns to communicate by selecting a picture that represents their desired item or action and physically transferring that picture to a communication partner. This stage emphasizes the importance of initiating communication through an exchange, reinforcing the idea that communication can result in a tangible outcome—a key concept in teaching functional communication skills, especially for individuals who may struggle with verbal expression. Such exchanges not only help to foster interaction but also emphasize the effectiveness of using visual aids in promoting understanding and communication.