EPISTEMIC MODALITY IN TED TALKS ON EDUCATION

Abstract

This paper aims to investigate the epistemic markers in TED talks. The data for the study is 100 TED talks on education. The mixed method of both the quantitative and qualitative approaches was manipulated to capture the use of the linguistic means to convey epistemic modality in terms of degrees of certainty and range of devices. The findings indicate that epistemic modality is pervasive in this genre, with approximately one-tenth of the sentences in the data being epistemically modalized by TED speakers via a range of linguistic means of different types and epistemic strength. The analysis unveils a clear tendency to select the middle level of commitment and make use of epistemic modal auxiliaries to frame their statements with personal attitudes and opinions. The examination of epistemic devices in the data also suggests speakers’ preference to use epistemic adverbials to realize certainty and employ epistemic modals to denote probability and possibility. The study yields pedagogical implications for developing an efficient use of epistemic modality in oral presentation of academic discourse.