“…Additionally, while most studies represented are single case design, there also appears to be a population routinely selected for social skills interventions. Typically, children participating in the social skills interventions are from the ''higher functioning'' end of the autism spectrum (i.e., Asperger's disorder, HFA), older, involved in some type of pretraining, and/or display at least minimal expressive verbal language (e.g., Kamps et al, 1992;Ozonoff, & Miller, 1995;Swaggart et al, 1995;Taras, Matson, & Leary, 1998). Many questions remain in regard to the social improvement of younger children with a more severe presentation, and who are nonverbal or have limited verbal skills.…”