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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. 

Jon T. Mandracchia Avila University, USA, University of Southern Mississippi, USA

Jon T. Mandracchia, PhD, is an assistant professor in the Department of Psychology at Missouri Western State University, in St. Joseph, Missouri. His primary research interests focus on two distinct areas: thinking patterns that perpetuate criminal behavior (i.e., criminogenic thinking) and suicide among correctional populations. He has also been involved in research that focuses on topics such as psychopathy and other maladaptive personality features, attitudes towards criminal justice issues, and education/training in correctional and forensic psychology.