As emotional experience is a crucial factor influencing students' learning and performance, it is important to understand what influences their emotional engagement in blended learning. In this study, pretest, posttest, and experience sampling methods were used to capture longitudinal data from 61 preservice teachers from two classes at a university in central China. Hierarchical linear modeling techniques were employed to investigate how distal course-level academic motivation, proximal appraisals, and activity types affected emotional engagem...