Carre A., Le Grice, B., Blampied, N., & Walker, D. (2009). Picture Exchange Communication (PECS) Training for young children: Does training transfer to school and to home?

Behaviour Change, 26, 54‐65.
Abstract: The limited communicative abilities of young children with autism and developmental disabilities may be enhanced by augmentative communication systems such as the Picture Exchange Communication System (PECS). Both children and adults can learn to use PECS, but research is inconsistent in establishing the degree to which PECS training transfers reliably from the training setting to other settings, for example, regular classrooms, and home. Lee Mas...