Declaration of interest: The commentary authors have no conflicts of interest and are solely responsible for the content of the structured abstract.
Notes
Abstracted from: Hart, S. L., & Banda, D. R. (2009). Picture Exchange Communication System with individuals with developmental disabilities: A meta-analysis of single subject studies. Remedial and Special Education. Advance Online Publication. DOI: 10.1177/0741932509338354.
Source of funding: No source of funding reported.