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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. 

David A. Wiley University of Scranton, USA

David A. Wiley is a Professor in the Education Department at the University of Scranton in Scranton PA. After teaching science for more than fourteen years, he moved to the University in 1988. He has served as Department Chair for over nine years, is now serving as Certification Officer, and was a co-author of the assessment plan used with teacher candidates at the University of Scranton. His research interests include mathematics and science education, technology education, and teacher effectiveness in the classroom setting. He has authored more than forty articles and three previous books in his areas of expertise. He has presented at the Pennsylvania and the National Science Teachers Associations, at the American Association of Colleges of Teacher Education, and meetings of many other organizations. His service agenda is heavy in the area of teacher preparation and working with science teacher professional associations. Dr. Wiley is married, the father of a son and three daughters, and lives in Clarks Summit, PA where, in his spare time, he volunteers with the Clarks Summit Fire Company.