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Updated: Aug 28, 2025

Perceptual and Category Processing of the Uncanny Valley Hypothesis' Dimension of Human Likeness: Some Methodological Issues
Published on: June 3, 2013
The valence-dominance model applies to body perception.
Eva Tzschaschel1,2, Kevin R Brooks1,2,3, Ian D Stephen4
1School of Psychological Sciences, Macquarie University, 4 First Walk, North Ryde, New South Wales 2109, Australia.
Social perceptions of bodies align with the valence-dominance model, similar to faces. Trustworthiness and dominance appear to be universal dimensions in judging individuals based on body appearance.
Area of Science:
- Social Psychology
- Perception Science
Background:
- Social judgments, crucial for first impressions, are often based on appearance.
- The valence-dominance model explains face perception along trustworthiness and dominance dimensions.
Purpose of the Study:
- To determine if social judgments of bodies also follow trustworthiness and dominance dimensions.
- To test the applicability of the valence-dominance model to body perception.
Main Methods:
- Utilized principal component analysis (PCA) and exploratory factor analysis (EFA) on body perception data.
- 237 raters judged black and white photographs of bodies on 14 traits.
Main Results:
- Exploratory factor analysis revealed two primary dimensions: trustworthiness and dominance.
- These findings support the hypothesis that body perception aligns with the valence-dominance model.
Conclusions:
- Social perceptions of bodies can be effectively summarized by trustworthiness and dominance dimensions.
- These dimensions may represent universal aspects of human social perception across different modalities.
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