Interpersonality in research article abstracts: A diachronic case study
Interpersonality in research article abstracts: A diachronic case study

Summary/Abstract: Research article (RA) abstracts are not mere shortened versions of the research article content but constitute a separate genre of academic discourse with its own specific features, one of them being its interactional nature. This paper explores interactional metadiscourse markers occurring in RA abstracts from the diachronic perspective. The main focus is therefore on variation and change in the use of these linguistic means since it may be expected that their distribution could evolve over time, even though scholars follow specific writing conventions when writing RA abstracts. Connected with this is the question whether growth in the mean length of RA abstracts has led to any rhetorical change. Providing an answer to this question is another aim of this paper. The study is based on a corpus of 96 RA abstracts from the field of Applied Linguistics published in a prestigious linguistic journal entitled Journal of Pragmatics over the course of the last 35 years. The theoretical framework followed here is the taxonomy of metadiscourse proposed by Hyland (2005a), which is particularly convenient as it offers a pragmatically-grounded method of analysing interactional metadiscourse markers in academic texts. As the results suggest, the distribution of interactional metadiscourse markers has undergone diachronic changes, e.g. in the use of hedging and boosting devices, confirming the dynamic character of this often overlooked genre of academic discourse with regard to its interpersonal aspects.

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