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作为学术语篇研究的热点对象之一,学术论文的摘要、引言和结论等部分的研究已经较为彻底,但是有关方法部分的研究还有待深入。本文分别从3个不同领域各选取一种权威学术期刊,经过转写和赋码后建立一个微型学术语料库,并通过Coh-Metrix在线分析语料中方法部分的词汇选择。结果表明:(1)在整体层面上,3组样本的词汇选择存在显著性差异;(2)在主要词类出现率方面,3组样本中名词、动词和形容词的情况趋同,而副词和人称代词却具有显著性差异。在此基础上,本文提出一个以家族相似性为基础的学科分类框架,旨在解释这些词汇层面上的学科性差异。
As one of the hot topics in academic discourse research, the summary of the dissertation, the introduction and the conclusion of the dissertation are quite thorough. However, the research on the method part still needs further study. This paper selects one authoritative academic journals from three different fields respectively, establishes a micro-academic corpus after transcribing and coding, and uses the Coh-Metrix to analyze the lexical selection of the method part in the corpus. The results show that: (1) There are significant differences in vocabulary selection among the three groups at the overall level; (2) In terms of the prevalence of the main categories of speech, the nouns, verbs and adjectives in the three groups converge while the adverbs and personal pronouns However, there are significant differences. On this basis, this paper proposes a disciplinary classification framework based on family similarity, which aims to explain the disciplinary differences at the lexical level.