A critical step in problem-based learning (PBL) units occurs when groups present their solution to the central problem. This is challenging for middle school students because it involves the creation of an evidence-based argument (Krajcik et al., "Journal of the Learning Sciences" 7:313-350, 1998). Using a mixed method design, this study…

Examines three factors that influence student learning and motivation of beginner foreign-language listening skills: text, context, and gender. Studies responses of fifth graders to computer-based foreign-language learning. Results indicate that providing text with spoken words facilitates the acquisition of listening skills, increases student…