RecruitingBehavioural interventionA Center Based Early Intervention Program For Preschoolers With Developmental DisordersThe purpose of this study is to examine the effectiveness of a 12-week early intervention program that will include 12 weekly hours in an intensive center-based preschool environment or in the home to treat social communication deficits in children with developmental disorders. The study will include children with developmental disorders, such as Autism Spectrum Disorder, neurogenetic disorders, or intellectual disability.