Echoes of Persuasion: The Effect of Euphony in Persuasive Communication

Abstract

While the effect of various lexical, syntactic, semantic and stylistic features have been addressed in persuasive language from a computational point of view, the persuasive effect of phonetics has received little attention.By modeling a notion of euphony and analyzing four datasets comprising persuasive and nonpersuasive sentences in different domains (political speeches, movie quotes, slogans and tweets), we explore the impact of sounds on different forms of persuasiveness.We conduct a series of analyses and prediction experiments within and across datasets.Our results highlight the positive role of phonetic devices on persuasion.

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