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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. 

Robert Jeffrey Sternberg Cornell University, USA

Robert J. Sternberg is Professor of Human Development at Cornell University and Honorary Professor of Psychology at the University of Heidelberg, Germany. He formerly was IBM Professor of Psychology and Education at Yale. His BA is from Yale summa cum laude and his PhD is from Stanford. He also holds 13 honorary doctorates. He is a member of the National Academy of Education and the American Academy of Arts and Sciences. Sternberg has been cited over 150,000 times and is among the most frequently cited authors in psychology textbooks. He is the winner of the APS Williams James Award and the APS James McKeen Cattell Award and of the Grawemeyer Award in Psychology. He is married to Karin Sternberg and has five children: Seth, Sara, Samuel, Brittany, and Melody.