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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. 

Brett P. Laursen Florida Atlantic University, USA

Brett Laursen is Professor of Psychology and Director of Graduate Training at Florida Atlantic University. His research focuses on parent-child and peer relationships during childhood and adolescence, and the influence of these relationships on individual social and academic adjustment. Dr. Laursen is a Docent Professor of Social Developmental Psychology at the University of Jyväskylä, Finland. He is currently the Methods and Measures Editor at the International Journal of Behavioral Development. Dr. Laursen is a Fellow of the American Psychological Association (Division 7, Developmental) and a Fellow and Charter Member of the Association for Psychological Science. In 2008, he received an honorary doctorate from Örebro University, Sweden. Dr. Laursen has edited or co-edited several books and monographs, the most recent being the Handbook of Developmental Research Methods.