Voice-based judgments of sex, height, weight, attractiveness, health and psychological traits based on free speech versus scripted speech - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Psychonomic Bulletin and Review Année : 2023

Voice-based judgments of sex, height, weight, attractiveness, health and psychological traits based on free speech versus scripted speech

Piotr Sorokowski
Tomasz Frąckowiak
Aleksander Kobylarek
Agata Groyecka-Bernard

Résumé

How do we perceive others based on their voices? This question has attracted research and media attention for decades, producing hundreds of studies showing that the voice is socially and biologically relevant, but these studies vary in methodology and ecological validity. Here we test whether vocalizers producing read versus free speech are judged similarly by listeners on ten biological and/or psychosocial traits. In perception experiments using speech from 208 men and women and ratings from 4088 listeners, we show that listeners’ assessments of vocalizer sex and age are highly accurate, regardless of speech type. Assessments of femininity-masculinity and health also do not differ between free and read speech. In contrast, read speech elicits higher ratings of attractiveness and dominance, whereas free speech elicits higher ratings of likeability and trustworthiness. Importantly, these differences were small, and we additionally show moderate to strong correlations between ratings of the same vocalizers based on their read and free speech for all ten traits, indicating that voice-based judgements are highly consistent within speakers, whether or not speech is spontaneous. Our results provide evidence that the human voice can communicate various biological and psychosocial traits via both read and free speech, with theoretical and practical implications.

Domaines

Psychologie
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Dates et versions

hal-04367406 , version 1 (30-12-2023)

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  • HAL Id : hal-04367406 , version 1

Citer

Piotr Sorokowski, Katarzyna Pisanski, Tomasz Frąckowiak, Aleksander Kobylarek, Agata Groyecka-Bernard. Voice-based judgments of sex, height, weight, attractiveness, health and psychological traits based on free speech versus scripted speech. Psychonomic Bulletin and Review, In press. ⟨hal-04367406v1⟩

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