Participant pool graphic (IMAGE) Drexel University Caption In the study, 31 pediatric practices across three sites were randomly assigned to an experimental condition involving training and supervision in the universal, standardized, high-fidelity use of M-CHAT-R/F or to usual care. Credit The A.J. Drexel Autism Institute Usage Restrictions Please credit if using. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.