Abstract
AbstractCohesion, as one of the important ways to achieve discourse coherence, is a crucial part of discourse analysis. Therefore, employing computer-aided Independent Sample T-Test in SPSS software, this paper explores the similarities and, mainly, differences of grammatical cohesive devices used by Chinese and American scholars in their English abstracts of Sci-tech journal Papers. The results show that: 1) there are significant differences in the use of reference between Chinese scholars and American scholars, with the former using a higher frequency than the latter; 2) both Chinese scholars and American scholars employ few cohesive devices of substitution, but the using frequency of Chinese scholars is still higher than that of American scholars, and the difference in the frequency is statistically significant; 3) neither Chinese nor American scholars use ellipsis; 4) Chinese scholars use conjunction more frequently than American scholars, and the difference is statistically significant.KeywordsComputer-aidedGrammatical cohesionAbstractChinese scholarAmerican scholar
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