Project-based learning may enhance students' cognitive skills and knowledge construction. Online discussion stimulates the social interactions of project-based learning, and appropriate cognitive tools (such as concept maps) facilitate the coordination, planning, and implementation of projects. Currently, related studies on project-based learning…

Both asynchronous and synchronous discussions have advantages and limitations for online learning. This study conducts an empirical analysis of these discussion activities while applying the proposed Seamless Online Learning Integrated Discussion (SOLID) system, which can instantly integrate Facebook's asynchronous discussion function with the MSN…