Effects of Dynamic Attributes of Smiles in Human and Synthetic Faces: A Simulated Job Interview Setting |
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Authors: | Eva Krumhuber Antony S R Manstead Darren Cosker Dave Marshall Paul L Rosin |
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Institution: | (1) Swiss Center for Affective Sciences, CISA - University of Geneva, 7 Rue des Battoirs, 1205 Geneva, Switzerland;(2) School of Psychology, Cardiff University, Cardiff, UK;(3) Department of Computer Science, University of Bath, Bath, UK;(4) School of Computer Science, Cardiff University, Cardiff, UK |
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Abstract: | We examined the effects of the temporal quality of smile displays on impressions and decisions made in a simulated job interview.
We also investigated whether similar judgments were made in response to synthetic (Study 1) and human facial stimuli (Study
2). Participants viewed short video excerpts of female interviewees exhibiting dynamic authentic smiles, dynamic fake smiles,
or neutral expressions, and rated them with respect to a number of attributes. In both studies, perceivers’ judgments and
employment decisions were significantly shaped by the temporal quality of smiles, with dynamic authentic smiles generally
leading to more favorable job, person, and expression ratings than dynamic fake smiles or neutral expressions. Furthermore,
authentically smiling interviewees were judged to be more suitable and were more likely to be short-listed and selected for
the job. The findings show a high degree of correspondence in the effects created by synthetic and human facial stimuli, suggesting
that temporal features of smiles similarly influence perceivers’ judgments and decisions across the two types of stimulus.
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Keywords: | Facial expression Smile Dynamics Job Social perception Decision |
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