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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. 

Mark O'Reilly University of Texas at Austin, USA

Mark O'Reilly: A native of Ireland, Mark O'Reilly joined the Department of Special Education at University of Texas at Austin in 2002. He currently coordinates the graduate training programs in autism and developmental disability, which are pre-approved by the Behavior Analysis Certification Board (www.bacb.com/). He is interested in the design, implementation, and evaluation of evidence-based and culturally sensitive services for students with autism and related developmental and physical disabilities, and their families.