The requesting folder in the Picture Exchange Communication System (PECS) is fundamentally designed to teach individuals, typically those with autism or other communication challenges, to initiate communication by requesting desired items or activities. PECS is a structured, evidence-based intervention that uses pictures to facilitate communication. The core principle is to move from simply exchanging a picture for a tangible item to using pictures to express a wider range of communicative functions. The requesting folder is the first phase of this process, specificall....
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