Dr. Carbone describes verbal stereotypies and comments an example of treatment of a child with autism using verbal stereotypies as a reinforcer for appropriate behavior in an academic setting. Stereotypies are repetitive sorts of behavior frequently displayed by children with autism. Stereotypies are a criterion for the diagnosis of autism. Types of stereotypies: (1) Vocal stereotypies: non-functional vocalisations that hace no social meaning. (2) Motor stereotypies: repetitive motor movements (