The Picture Exchange Communication System – PECS

PECs was developed in the 1980s for children with ASD (Autistic Spectrum Disorder) in the USA by Frost & Bondy and is now used with both adults and children with a range of communication skills. 


● To teach purposeful, spontaneous, independent communication between 2 people. 

● It teaches requesting rather than just naming ie. communication has an outcome or obvious purpose. 

● It takes into account the typical ASD child’s lack of responsiveness to social reinforcement. 

● It has a positive effect on behaviour. 

● It can be developed into social communication e.g. commenting. 

● Transferable skills 

● Need to complete a reinforcer assessment to determine preferred and non preferred items/activities.

Go to Part II