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Visual cues that predict intuitive risk perception in the case of HIV
Ralf Schmälzle1,2, Freda-Marie Hartung2,3, Alexander Barth2
1Department of Communication, Michigan State University, East Lansing, Michigan, United States of America.
Plos One
|February 21, 2019
Summary
People intuitively assess HIV risk based on visual cues in photos, but lack awareness of these judgments. This study identified specific facial cues that predict perceived HIV risk, aiding in understanding and addressing health behaviors.
Area of Science:
- Psychology
- Public Health
- Computer Science
Background:
- Individuals form intuitive impressions of potential partners' HIV risk.
- The underlying cues driving these perceptions are not well understood.
Purpose of the Study:
- To identify visual cues that influence perceptions of HIV risk.
- To develop a predictive model for perceived HIV risk based on these cues.
Main Methods:
- Evaluated sixty visible cues from portrait images.
- Assessed perceived HIV risk, trustworthiness, health, and attractiveness by independent raters.
- Trained a predictive model using cross-validated methods.
Main Results:
- Identified significant correlations between specific visual cues and perceived HIV risk.
- The predictive model accurately forecasted perceived risk (r = 0.75) in a new sample.
- Demonstrated that intuitive HIV risk perception is cue-driven.
Conclusions:
- Visual cues significantly shape perceptions of HIV risk.
- Findings highlight the role of stereotypes in risk perception.
- Results can inform strategies to promote effective protective behaviors and reduce stigma.
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