Investigating Lexico-grammaticality in Academic Abstracts and Their Full Research Papers from a Diachronic Perspective
محورهای موضوعی : language teaching
Valeh Valipour
1
(Department of English Language Teaching, Ahar Branch, Islamic Azad University, Ahar, Iran)
نادر اسدی آیدینلو
2
(Department of English Language Teaching, Ahar Branch, Islamic Azad University, Ahar, Iran)
هانیه دواتگری اصل
3
(Department of English Language Teaching, Ahar Branch, Islamic Azad University, Ahar, Iran)
کلید واژه: lexico-grammaticality, academic papers, metafunctions, Systemic Functional Linguistics,
چکیده مقاله :
Development of science and academic knowledge has led to changes in academic language and transfer of information and knowledge. In this regard, the present study is an attempt to investigate lexico-grammaticality in academic abstracts and their full research papers in Linguistics, Chemistry and Electrical engineering papers published during 1991-2015 in academic journals from a diachronic perspective through quantitative research design. The focus of this paper is on transitivity, mood and theme analysis in the corpus according to Halliday's (1994) systemic functional linguistics model. So, all the attempts are to find the changes in abstracts and research papers of these disciplines and how they are to be positioned in different linguistic contexts over time. The results revealed that research papers employ the spectrum of possible lexical realization quite differently as compared to general English, especially concerning the use of specific lexical items. Also, the results of chi-squares of each discipline showed that there are significant differences between papers over time at .05 level of significance (.000< .05) with regard to the transitivity, mood, and theme.
پژوهش حاضر تلاشی جهت بررسی کمّی واژگانی-دستوری چکیده ومقالات علمی-پژوهشی در زمینه علوم گوناگون در طی زمان می باشد. با پیروی از مدل زبانشناسی نقشگرایانه سیستمیک هالیدی ،در این تحقیق سه فرانقش شامل ارتباطات، وجوه، و تم های بکاربرده شده در جمله واره ها مورد تاکید قرار دارند واین که چگونه می توان از روشهای زبانشناسی پیکره ای برای مطالعه این فرانقشها در متون مقالات علمی چاپ شده در مجلات آکادمیک بهره برد. بنابراین هدف از تمام این تلاشها مقایسه چکیده ها با متن مقاله کامل آنها و نیز چگونه چکیده ها و متون کامل مقالات آنها در بافت زبانی گسترده تری در طول زمان بکار می روند. نتایج حاکی از آن بود که چکیده ومقالات علمی-پژوهشی در طول زمان از لحاظ واژگانی-دستوری تفاوت دارند و نیز این موارد در زمینه علوم گوناگون متفاوت بکار برده می شوند.
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