A problem-based learning (PBL) assumption is that silence is incompatible with collaborative learning. Although sociocultural studies have reinterpreted silence as collaborative, we must understand how silence occurs in PBL groups. This essay presents students' explanations of dominance, leadership, and silence as PBL group roles. An ethnographic…

PBL is described as small-group collaborative learning; however, literature on how collaboration is enacted in PBL contexts is limited. A two-year ethnographic study examined the experiences and responses of Asian students to the obligations of PBL in a Western context. Participant-observation, videotape data, and video-stimulated recall…