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Situated in the field of computer assisted language learning (CALL), this article reports an instrumental case study on the use of audioblogs for developing students' Chinese speaking skills. The intervention focused on scaffolding students in metacognitive reflection of their oral performances. The case focused on seven students who completed substantial(More)
Research on argumentation has increased our understanding of knowledge construction, group learning, and scaffolding structures in CSCL although analyses of argumentation pose many difficulties. This could be due to the many theoretical positions that can be taken when approaching discourse data. In this paper, we use three popular analytic methods(More)
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