医学科研论文IMRD部分名词短语复杂度的历时变化(1970-2020)

IF 3.1 1区 文学 Q1 EDUCATION & EDUCATIONAL RESEARCH
Fan Pan, Ming Nie
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引用次数: 0

摘要

尽管人们对学术写作中的名词短语(NP)复杂性越来越感兴趣,但在研究文章(RAs)的IMRD(引言、方法、结果、讨论)部分中,NP复杂性是如何演变的仍然未知。探索跨语段NP复杂性的演变不仅可以补充以往关于整个语段的历时性研究结果,而且可以增强我们对具有不同交际功能的语段语言相关因素演变的动态理解。本研究调查了跨越50年(1970-2020)的480个医学RAs语料库中9个NP复杂性特征(即名词修饰语)在IMRD部分中使用的历时变化。使用Pearson相关检验和双向方差分析,我们跟踪了每个特征的变化模式,并比较了IMRD各部分的模式。结果表明,各章节的短语NP复杂度特征均呈上升趋势。此外,横断面比较揭示了双向区别,其中介绍/讨论部分始终比方法/结果部分应用更广泛和更多的NP复杂性特征。观察到的历时变化通过文本语言学分析解释了与IMRD部分演变特征有关的变化。本研究可为医学英语教学提供有益的启示。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Diachronic change of noun phrase complexity in the IMRD sections of medical research articles (1970–2020)
Despite the growing interest in noun phrase (NP) complexity in academic writing, it remains unknown how NP complexity has evolved in IMRD (Introduction, Methods, Results, Discussion) sections within research articles (RAs). Exploring the evolution of NP complexity across sections can not only complement previous diachronic findings on whole RAs, but also enhance our dynamic understanding of the evolving linguistic correlates of IMRD sections with distinct communicative functions. This study investigated the diachronic changes in the use of nine NP complexity features (i.e., noun modifiers) across IMRD sections in a corpus of 480 medical RAs spanning 50 years (1970–2020) at 10-year intervals. Using Pearson correlation tests and two-way ANOVAs, we tracked the changing patterns of each feature and compared those patterns across IMRD sections. Findings showed an upward trend in phrasal NP complexity features in all the sections. Additionally, the cross-sectional comparisons revealed a two-way distinction, in which Introduction/Discussion sections consistently applied a wider range and a larger number of NP complexity features than Methods/Results sections. The observed diachronic changes were explained in relation to the evolving characteristics of the IMRD sections through a text-linguistic analysis. This study may provide useful implications for English for Medical Purposes pedagogy.
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来源期刊
CiteScore
6.60
自引率
13.30%
发文量
81
审稿时长
57 days
期刊介绍: The Journal of English for Academic Purposes provides a forum for the dissemination of information and views which enables practitioners of and researchers in EAP to keep current with developments in their field and to contribute to its continued updating. JEAP publishes articles, book reviews, conference reports, and academic exchanges in the linguistic, sociolinguistic and psycholinguistic description of English as it occurs in the contexts of academic study and scholarly exchange itself.
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