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Estudos e Pesquisas em Psicologia

 ISSN 1808-4281

PEREIRA, Tariane Franciele Bastos    CARAMASCHI, Sandro. Talking Smiling: A Comparative Study of Smile Display in Men and Women. []. , 21, 2, pp.552-571. ISSN 1808-4281.  https://doi.org/10.12957/epp.2021.61057.

Regarded as one of the most complex facial expressions, the smile is the product of several emotional manifestations and presents relevant sexual differences. This study aimed to compare the frequency of smile between men and women during speech, based on the dynamic observation of the display of the upper dental arch. The sample consisted of 88 participants (41 men and 47 women), who were invited to describe selected images, being filmed during the procedure. From the recordings, the frequency of display of the upper dental arches was measured using a slow motion (4.0x slow) feature and compared using Student's t-test. The results show a higher frequency among women (M = 23; SD = 8.22), compared to men (M = 12; SD = 6.76), with a statistically significant difference (t = 6.44; p <0 , 0001). It was not possible to define the determinants that promoted these results. However, evolutionary, cognitive and sociocultural factors that contribute to a more important understanding of this facial expression are explained.

: non-verbal communication; gender; facial expressions; smile.

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