Pei-Jung Wang has a PhD from the School and Graduate Institute of Physical Therapy at National Taiwan University, and used to be a post-doctoral research fellow at Colorado State University, supported by the Taiwan Ministry of Science and Technology. She is an associate professor of the Physical Therapy Department at Asia University. Her research interests are mastery motivation, mother–child interaction, and early child development in children with and without developmental delays. She also plans to develop an assessment for measuring motor mastery motivation and to study the relationships among mastery motivation, executive function, and participation.