Chin-Hsi Lin is an associate professor at the University of Hong Kong. He earned his Ph.D. in Language, Literacy, and Technology from the University of California, Irvine, in 2012. His research interests revolve around learning processes in online learning. Specifically, his work has predominantly focused on self-regulation and teacher effect and how they predict achievement. His current project aims to determine the optimal class size and instructors’ load for K-12 online courses in virtual schools.