| Summary: | Several factors can affect the fluency of discourse production and the occurrence of disfluencies within it. Mostly the influence on language production of age, education and gender is considered. However, to date, we know relatively little about the influence of these factors on the incidence of disfluencies in the discourses of the healthy adult population. Therefore, the aim of our research was to provide a more comprehensive view of this issue. We compared the incidence of disfluencies in male and female discourses, in three age and three educational categories, working with a total sample of 182 participants. According to our results, age, education, and gender do not affect the overall incidence of disfluencies in discourse production, but each factor affects the incidence of a particular type of disfluency. Age affects the occurrence of interjections, phonological and semantic corrections, as well as corrections in general. Education influences the occurrence of part-word repetitions and grammatical corrections. Gender affects the occurrence of word repetitions.
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