Xianxuan Xu, PhD, is a senior research associate at Stronge and Associates Educational Consulting. Dr. Xu received her doctorate from the College of William and Mary's Educational Policy, Planning, and Leadership program. Her research interests are teacher effectiveness, professional development, and teacher and principal evaluation. She is also particularly interested in researching the relationship between culture and educational issues such as teaching, learning, and leadership. She has presented research findings at various U.S. conferences, including the American Educational Research Asso...