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This study investigated how color variations in facial expressions influence our perception of emotions and health. Participants viewed color-manipulated (CIE LAB color space) face images depicting seven emotional states and indicated their perceptions of each image's emotion and health. Our results suggest that facial color influences the perception of threat-related emotions such as anger and disgust, as well as health perception. Increasing facial redness intensified the perception of anger, while increasing yellowness and lightness heightened the perception of disgust. Lightness affected perceptions of happiness and sadness, with lighter happy faces appearing happier and lighter sad faces appearing sadder. Additionally, enhancing redness and yellowness on faces led participants to perceive them as healthier. Our findings add to the existing literature and provide important insights into the role of colors in perceiving different emotions and health. These insights may significantly impact social interaction and communication, especially in situations where facial expressions play a critical role.

Ideal partner preferences for traits in a partner are said to be stable cognitive constructs. However, longitudinal studies investigating the same participants’ ideals repeatedly have so far been limited to relatively short retest intervals of a maximum of 3 years. Here, we investigate the stability and change of ideals across 13 years and participants’ insight into how ideals have changed. A total of 204 participants (M = 46.2 years, SD = 7.4, 104 women) reported their ideals at two time points. We found a mean rank-order stability of r = .42 and an overall profile stability of r = .73 (distinctive r = .53). Some ideals changed over time, for example, increased for status-resources in relation to age and parenthood. We found some but varying insight into how ideals had changed (mean r = .20). Results support the idea of ideals being stable cognitive constructs but suggest some variability related to the demands of different life stages.

Research assessing personality traits and religiosity across cultures has typically neglected variation across religious affiliations and has been limited to a small number of personality traits. This study examines the relationship between the Big Five personality traits and their facets, two theoretically distinct measures of religiosity, and twelve other personality traits across seven religious affiliations and 61 countries/regions. The proportion of participants following a religion varied substantially across countries (e.g., Indonesia = 99%; Estonia = 7%). Both measures of religiosity were related to agreeableness, conscientiousness, happiness, and fairness; however; relations with religiosity as a social axiom were stronger and less variable across religious affiliations. Additionally, personality-religiosity links were more robust in low-development, high-conflict, and collectivist nations.

Fundamental frequency (fo) is the most perceptually salient vocal acoustic parameter, yet little is known about how its perceptual influence varies across societies. We examined how fo affects key social perceptions and how socioecological variables modulate these effects in 2,647 adult listeners sampled from 44 locations across 22 nations. Low male fo increased men’s perceptions of formidability and prestige, especially in societies with higher homicide rates and greater relational mobility in which male intrasexual competition may be more intense and rapid identification of high- status competitors may be exigent. High female fo increased women’s perceptions of flirtatiousness where relational mobility was lower and threats to mating relationships may be greater. These results indicate that the influence of fo on social perceptions depends on socioecological variables, including those related to competition for status and mates.