Applied Behavior Analysis (ABA) …show more content…
PECS is effective for children with developmental disabilities and Autism due to the inherent simplicity, lessened demands, built-in reinforcers, and versatility (Cihak et al., 2012). This intervention approach aims to use symbols and pictures to teach unprompted communicative skills within a social context (Magiati & Howlin, 2003).
After using PECS, students experienced success as communicators (Schwartz et al., 1998). Participants in many studies demonstrated increases in average intelligible words spoken per trial (Ganz & Simpson, 2004; Schwartz et al., 1998). Behaviors, such as moving of the head and hand flapping, have been decreased after the implementation of PECS (Malhotra et al., 2010). Children were able to generalize the use of the system, communicating with different people across settings and demonstrating mastery of various communicative functions (Schwartz et al.,