RecruitingBehavioural interventionEarly Diagnostic Response Model (EDRM)Babies Can't Wait (BCW) in Georgia will be referring families with children seeking an autism spectrum disorder (autism) diagnosis at the Emory Autism Center's (EAC) Child Screening and Assessment Clinic.The objective of this study is to develop, pilot, and evaluate a diagnostic protocol for children identified at high risk for autism in the BCW early intervention program screening (part of a public health service). This program evaluation will be using pre- and post-data and data collected through the process to evaluate the effectiveness of the EDRM pilot.