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چکیده
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The study of Applied Linguistics (AL), as "the theoretical and empirical investigation of real-world problems in which language is a central issue" (Brumfit, 1997) has been the focus of attention and interest for many years. A substantial body of research has been dedicated to the comparison of different sections of research articles (RAs) in Applied Linguistics concerning various fields of study. However, both content and structure parallelism of the main sections of research articles among main sub-disciplines of AL has infrequently gained attention. To fill this gap, the current study investigated the convergence and divergence of research articles in Applied Linguistics in Iranian context using Khany's (2011) model of content and structure parallelism. To this end, a corpus of 240 research articles written by both Iranian and foreign researchers were analyzed through a developed checklist to identify the parallelism (extraction) in different conventional sections of research articles on the basis of the model. The findings indicated that the rhetorical type, as a section of the model, had the highest percentage (88.5%) of extraction among Iranian research articles. Moreover, it was revealed that among the eight selected subdisciplines of AL, extraction (parallelism) primarily occurred in contrastive and typological studies (75.45%). To check the normality of the gained results, Kolmogorov-Smirnov was run. The findings of the study can be used by practitioners in the field especially those involved in teaching writing to graduate/higher education students as well as scientific researchers in different subfields of Applied Linguistics.
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