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| Title: | Automated lexical and time series modelling for critical discourse research : a case study of Hong Kong protest editorials | Authors: | Tay, D | Issue Date: | May-2021 | Source: | Lingua, May 2021, v. 255, 103056 | Abstract: | This paper advances a novel approach to critical synchronic and diachronic discourse analysis using automated lexical and time series modelling. It is illustrated by a case study of near-daily editorials (N = 201; 300,081 words) from 9 June to 2 October 2019 on the Hong Kong protest movement in three ideologically contrasting sources – China Daily (CD), South China Morning Post (SCMP), and Hong Kong Free Press (HKFP). Lexical analysis with Linguistic Inquiry and Word Count (LIWC) first revealed four predominant socio-psychological word categories - relativity, drive, cognitive, and affect. Overall, HKFP expresses anger at the government, CD lays blame on protestors’ violent actions, and SCMP occupies a middle position to focus on less political aspects. Time series modelling is then applied to redirect attention from these aggregated differences to how they unfold day-to-day. It was found that while positive affect words are characterized by short-term consistencies and fluctuations, most variables exhibit random variation across time. The approach allows precise description of how linguistic variables in neighbouring time periods inter-relate, offering rich interpretative possibilities for different linguistic/discourse contexts. Furthermore, determining whether a variable is ‘modelable’ offers a systematic and replicable way to interrogate the assumption that discourse inevitably serves to construe social reality. | Keywords: | Discourse analysis Hong Kong protests LIWC Time series analysis |
Publisher: | Elsevier | Journal: | Lingua | ISSN: | 0024-3841 | DOI: | 10.1016/j.lingua.2021.103056 | Rights: | © 2021 Elsevier B.V. All rights reserved. © 2021. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/. The following publication Tay, D. (2021). Automated lexical and time series modelling for critical discourse research: A case study of Hong Kong protest editorials. Lingua, 255, 103056 is available at https://dx.doi.org/10.1016/j.lingua.2021.103056. |
| Appears in Collections: | Journal/Magazine Article |
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| Tay_Automated_Lexical_Time.pdf | Pre-Published version | 1.24 MB | Adobe PDF | View/Open |
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