Abstract
ABSTRACT There is no consensus in the literature about the role of speech disfluencies and eye contact as cues to deception. The current study uses a picture-description game (the treasure hunting paradigm) to collect speech and eye contact data of speakers and veracity assessments of listeners engaged in a socially meaningful interaction. The paradigm was implemented so that not only statement veracity (i.e. true or false) could be manipulated, but also speaker’s intention (i.e. wanting or not wanting to be believed) and listener decision (i.e. believing or not believing the speaker). Multivariate Pattern Analysis showed that disfluency patterns could predict intention and decision above chance, but not veracity. Eye contact could predict veracity, intention, and decision above the chance level. Future research should focus more on qualitative features (i.e. when and how), while accounting for speaker intention.
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