Similar to sign language and picture boards, Picture Exchange Communication System (PECS) is an augmentative and alternative communication (AAC) system. AAC systems are used to help individuals who do not have typical verbal skills to communicate with others. PECS is a behavior based intervention that teaches the learner to use visual-graphic…

Visual supports are concrete cues that are paired with, or used in place of, a verbal cue to provide the learner with information about a routine, activity, behavioral expectation, or skill demonstration. Visual supports might include: "pictures," "written words," "objects," "arrangement of the environment,"…