The purpose of this practice-based research synthesis was to verify the effectiveness of the Picture Exchange Communication System (PECS) for improving the functional communication skills of individuals with autism spectrum disorders (ASD). The synthesis focused on the degree to which variations in the PECS training are associated with variations in functional communication consequences. In general… Continue reading The Purpose Of This Practice-Based Research Synthesis Was To Verify The Effectiveness Of The Picture Exchange Communication System: Intervention Essay, UU, Ireland