Speech Disfluencies as Actual and Believed Cues to Deception: Individuality of Liars and the Collective of Listeners

Nette Vandenhouwe & Robert J. Hartsuiker
There is no consensus about the relationship between disfluencies and deception in speech production. However, it is well established that listeners believe deceptive speech to contain more disfluencies than truthful speech. Here, we used an interactive game to collect the speech of liars and the veracity decisions of listeners. Using Multivariate Pattern Analysis (MVPA), we determined the predictive value of speech disfluencies as both actual and believed cues to deception. We found that patterns of...
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