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In observance of the 2024 holiday season, Sage offices will be closed Monday December 23rd through Wednesday January 1st. Normal operations, including shipping for orders placed during the closure, will resume on Thursday January 2nd. For technical support during this time, please visit our technical support page for assistance options. 

We wish you a wonderful holiday season. Thank you. 

Michael G. Vaughn Saint Louis University, USA

Michael Vaughn, Ph.D. is Assistant Professor in the School of Social Work at Saint Louis University. He is the author of over 50 articles and book chapters. Currently, he has three funded projects. Two of which involve developing databases of empirical studies for quantitative synthesis on adolescent substance abuse treatment and adolescent antisocial behavior. In addition, he is writing numerous articles on the topic of serious juvenile offending, transitions to adulthood for foster youth and applications of a biosocial dynamic framework to antisocial behavior and substance abuse.