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영어

This study aims to investigate structural and functional distributions of English key clusters used in the biomedical academic journals written by English native scholars and Korean scholars through a quantitative method used in corpus linguistics. We focused on key clusters in order to find more genre specific lexical bundles than common lexical bundles shared with a general corpus. In order to explore the distributions of the key clusters used by English native scholars and Korean scholars, we conducted the structural and functional classification by using Wordsmith tools 6.0. We also used the Chi-square test to find out whether or not there are any significant differences between grammatical structures and discourse functions of key clusters. In addition, we visualized residuals of the statistical results by using an R program. The results showed that the proportions of structures between English native scholars and Korean scholars showed no statistical differences. However, Korean scientists used more reference key clusters and less stance key clusters.