Yunpeng Wu, PhD, is a Associate Professor at the School of Teacher Education at Dezhou University, China. His research focuses on personality and social development. He recently led projects on young children's social and emotional learning.
Jianfen Wu, PhD, is a professor at the Jing Hengyi School of Education, Hangzhou Normal University, China. Her research interests include children's cognitive and social development, theory of mind, and mixed-age education.
