Michael Vaughn, Saint Louis University (IMAGE) Saint Louis University Caption Michael Vaughn, Ph.D., professor of social work at Saint Louis University, studies preventing and treating problem behaviors in adolescents. Credit Saint Louis University Usage Restrictions None License Licensed 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.