Copyright © American Speech-Language-Hearing Association From: Picture Exchange Communication System and Pals: A Peer-Mediated Augmentative and Alternative Communication Intervention for Minimally Verbal Preschoolers With Autism J Speech Lang Hear Res. 2016;59(5):1133-1145. doi:10.1044/2016_JSLHR-L-15-0313 Legend: Total number of spontaneous communication acts per 6-min social activity during baseline and intervention between children with autism and trained peers. Bar graphs indicate spontaneous peer communication directed to the focus child. Date of download: 10/4/2017 Copyright © American Speech-Language-Hearing Association