A Comparative Study of Lexical Bundles in Academic Writings between 2001-2010 and 2011-2020 = A Comparative Study of Lexical Bundles in Academic Writings between 2001-2010 and 2011-2020

다국어 초록 (Multilingual Abstract)

This study aimed to explore the use of bundles in the field of English education and to trace their development between 2001 and 2020 by compiling two corpora of PhD dissertations that add up to 2,390,093 words. The bundles have changed significantly in length, structure, and function over the past two decades, suggesting that the field of English education changes quickly. Regarding length, the percentage of three-word bundles has increased from 92.2% to 93.4%, whereas that of four-word bundles has decreased from 7.8% to 5.4%. Structurally, patterns such as “noun phrase + of,” “of + noun phrase,” and “in + noun phrase” have decreased in the last decade, while patterns like “noun phrase” have increased. Functionally, the proportion of research-oriented bundles has increased by 4.4%, while the percentages of text-oriented and participant-oriented bundles have dropped by 3.8% and .6%, respectively. At the same time, similarities across corpora have also been observed: three-word bundles make up an overwhelming proportion of the bundles; most of the bundles are noun-based or preposition-based; research-oriented bundles make up the largest percentage, followed by text-oriented bundles, with participant-oriented bundles accounting for a significantly small percentage. This study may have important implications for writers, teachers, students, textbook developers, and researchers in English education.

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