The study at hand aims at analyzing the relationship between the extraversion level and the employment of met discourse markers in the Second Language (L2) learners’ oral production on the one hand, and investigating the differences between various levels of extraversion and the types of metadiscourse they use, on the other hand. To this end, 60 advanced EFL learners comprising 12 males and 48 females took part in the study and their extraversion level was assessed with the aid of Myer-Briggs Type Indicator questionnaire. The highly extraverted (N=7) accounted for 11.7%, moderately extraverted (N=22) comprising 36.7%, moderately introverted (N=9) including 15%, and quite introverted (N=22) involving 36.7% of the population. Indeed, the findings revealed a strong positive correlation between the extraversion level and the employment of metadiscourse markers in speech. Besides, there were statistically significant differences across highly extraverted, moderately extraverted, moderately introverted, and quite introverted learners regarding the application of met discourse markers in their speech.

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