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Article published In: International Journal of Corpus Linguistics
Vol. 28:2 (2023) ► pp.202–231

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Register variation across text lengths

Evidence from social media

ORCiD logo with link | University of Helsinki
Published online: 23 August 2022
DOI logo with link
https://doi.org/10.1075/ijcl.20177.lii
Abstract
This paper explores variation in lexico-grammatical register features across text lengths in a large-scale sample of Reddit comments. Very short texts are known to be problematic for many statistical methods, so understanding their nature is important for the corpus-linguistic study of social media, where most contributions are short. I show that the frequencies of linguistic features change with comment length, even between longer comments, although longer texts are often considered similar in statistical terms. Moreover, I classify the variation found between short comments of different lengths into two main patterns, although other patterns can also be found, and there is variation even within these patterns. Furthermore, I interpret the observed differences in terms of register variation. For example, shorter comments appear to be more casual and less edited in terms of their feature makeup, whereas narrative and informational registers seem to favor longer comments.
Article outline
  • 1.Introduction
  • 2.Register, social media, and text length
    • 2.1Register analysis
    • 2.2Social media and the problem of text length
    • 2.3Earlier studies with text length as a variable
  • 3.Data and method
    • 3.1Data
    • 3.2Method
  • 4.Variation across text lengths
    • 4.1Rounded rise
    • 4.2Initial peak
    • 4.3Other patterns
    • 4.4Lengthwise variation between longer comments
  • 5.Conclusions
  • Acknowledgements
  • Notes
  • References
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