Picture Exchange Communication Systems (PECS) is an alternative communication system developed in the USA in 1985 by Dr. Andy Bondy, PhD and Lori Frost, CCC-SLP. The primary goal for PECS is teaching functional communication. Many kids who learn to use PECS learn to speak too. Using PECS will not hinder speaking, this is a misconception about PECS. PECS involves six phases, that must be implement sequentially.
Radwa Eltanab , M.S., BCBA completed PECS level 1training