 - Children must have a diagnosis of ASD as defined by a Autism Diagnostic Observation Schedule ADOS; Lord et al. 1999 score above spectrum cutoff; b Social Communication Questionnaire SCQ; Berument et al. 1999 score above cutoff; and c clinical diagnosis of an ASD as determined by a review of history and current clinical presentation by a clinical psychologist and assigning one of the following diagnoses: Autistic Disorder, Aspergers Disorder, or Pervasive Developmental Disorder - Not Otherwise Specified. 