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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. 

I-Tung Joyce Chang University of Central Missouri

I. Joyce Chang, Ph.D. is Professor of Child and Family Development at University of Central Missouri (UCM). Dr. Chang received her doctorate in Human Development and Family Sciences and Master’s degree in Interdisciplinary Studies (Psychology, Women Studies, and Statistics) from Oregon State University. Dr. Chang’s primary research interests are high-risk behaviors, relationship development, and impacts of technology on families. She has received awards for teaching, research, and service. Dr. Chang has also taught/lectured in Sweden, Taiwan, and the Netherlands.