When to use a metaphor: metaphors in dialogical explanations with addressees of different expertise

Autor: Ingrid Scharlau, Miriam Körber, Meghdut Sengupta, Henning Wachsmuth
Jazyk: angličtina
Rok vydání: 2024
Předmět:
Zdroj: Frontiers in Language Sciences, Vol 3 (2024)
Druh dokumentu: article
ISSN: 2813-4605
DOI: 10.3389/flang.2024.1474924
Popis: The present study aims to understand how metaphors are used in explanations. According to many current theories, metaphors have a conceptual function for the understanding of abstract objects. From this theoretical assumption, we derived the hypothesis that the lower the expertise of the addressee of an explanation, the more metaphors should be used. We tested this hypothesis on a relatively natural data set of 24 published videos with close to 100,000 words overall in which experts explain abstract, mostly scientific concepts to persons of different expertise, varying from minimal (children) to profound (expert). Contrary to our expectations, the frequency of metaphors did not decrease with expertise, but actually increased. This increase could be statistically substantiated with higher differences in expertise. The study contributes to a better understanding of the use of metaphors in actual explanatory processes and how metaphor use depends on contextual factors. It thus supports the expansion of the conceptual and linguistic perspective on metaphors to include the aspect of how metaphors are used by speakers.
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