Baseline Demographic and Clinical Characteristics of Participants in the Control and Experimental Groups.

Notes. ADI-R = Autism Diagnostic Interview-Revised; IQ = Intelligence quotient as assessed by the Chinese version of the Wechsler Intelligence Scale for Children-Fourth Edition (Hong Kong) or the Stanford-Binet Intelligence Scale-Fourth Edition; PDD-NOS = Pervasive Developmental Disorders Not Otherwise Specified. Standard deviations are in parenthesis.