Jingjing Sun is an assistant professor of Educational Psychology at the Department of Teaching & Learning. Her research examines how children develop socially and emotionally as they engage in collaborative learning activities. Surrounding this topic, she has developed three lines of research: 1) children’s emergent leadership in collaborative problem solving; 2) the impact of instructional settings and participant structure on children’s engagement and affect; and 3) teachers' struggles and growth in scaffolding dialogic-rich discussions.