Generative neural networks for experimental manipulation: Examining dominance‐trustworthiness face impressions with data‐efficient models.
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| Title: | Generative neural networks for experimental manipulation: Examining dominance‐trustworthiness face impressions with data‐efficient models. |
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| Authors: | Sobieszek, Adam (AUTHOR), Siemiątkowski, Maciej (AUTHOR), Imbir, Kamil K. (AUTHOR) |
| Source: | British Journal of Psychology. May2026, Vol. 117 Issue 2, p636-655. 20p. |
| Subjects: | Generative artificial intelligence, Prompts (Psychology), Database management, T-test (Statistics), Photography, Social perception, Structural equation modeling, Descriptive statistics, Experimental design, Crossover trials, Artificial neural networks, Personality, Judgment (Psychology), Comparative studies, Data analysis software, Facial expression, Face perception, Regression analysis |
| Abstract: | An important development in the study of face impressions was the introduction of dominance and trustworthiness as the primary and potentially orthogonal traits judged from faces. We test competing predictions of recent accounts that address evidence against the independence of these judgements. To this end we develop a version of recent 'deep models of face impressions' better suited for data‐efficient experimental manipulation. In Study 1 (N = 128) we build impression models using 15 times less ratings per dimension than previously assumed necessary. In Study 2 (N = 234) we show how our method can precisely manipulate dominance and trustworthiness impressions of face photographs and observe how the effects' pattern of the cues of one trait on impressions of the other differs from previous accounts. We propose an altered account that stresses how a successful execution of the two judgements' functional roles requires impressions of trustworthiness and dominance to be based on cues of both traits. Finally we show our manipulation resulted in larger effect sizes using a broader array of features than previous methods. Our approach lets researchers manipulate face stimuli for various face perception studies and investigate new dimensions with minimal data collection. [ABSTRACT FROM AUTHOR] |
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| Database: | Psychology and Behavioral Sciences Collection |
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| Abstract: | An important development in the study of face impressions was the introduction of dominance and trustworthiness as the primary and potentially orthogonal traits judged from faces. We test competing predictions of recent accounts that address evidence against the independence of these judgements. To this end we develop a version of recent 'deep models of face impressions' better suited for data‐efficient experimental manipulation. In Study 1 (N = 128) we build impression models using 15 times less ratings per dimension than previously assumed necessary. In Study 2 (N = 234) we show how our method can precisely manipulate dominance and trustworthiness impressions of face photographs and observe how the effects' pattern of the cues of one trait on impressions of the other differs from previous accounts. We propose an altered account that stresses how a successful execution of the two judgements' functional roles requires impressions of trustworthiness and dominance to be based on cues of both traits. Finally we show our manipulation resulted in larger effect sizes using a broader array of features than previous methods. Our approach lets researchers manipulate face stimuli for various face perception studies and investigate new dimensions with minimal data collection. [ABSTRACT FROM AUTHOR] |
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| ISSN: | 00071269 |
| DOI: | 10.1111/bjop.12732 |
