Recent scholarship in intellectual humility (IH) has attempted to provide deeper understanding of the virtue as personality trait and its impact on an individual's thoughts, beliefs, and actions. A limitations-owning perspective of IH focuses on a proper recognition of the impact of intellectual limitations and a motivation to overcome them, placing it as the mean between intellectual arrogance and intellectual servility. We developed the Limitations-Owning Intellectual Humility Scale to assess this conception of IH with related personality constructs. In Studies 1 (n = 386) and 2 (n = 296), principal factor and confirmatory factor analyses revealed a three-factor modelowning one's intellectual limitations, appropriate discomfort with intellectual limitations, and love of learning. Study 3 (n = 322) demonstrated strong test-retest reliability of the measure over 5 months, while Study 4 (n = 612) revealed limitations-owning IH correlated negatively with dogmatism, closed-mindedness, and hubristic pride and positively with openness, assertiveness, authentic pride. It also predicted openness and closed-mindedness over and above education, social desirability, and other measures of IH. The limitations-owning understanding of IH and scale allow for a more nuanced, spectrum interpretation and measurement of the virtue, which directs future study inside and outside of psychology.
A growing body of evidence suggests that resources invested in reproduction often come at the expense of the ability to mount an immune response. During mating, female sagebrush crickets, Cyphoderris strepitans, consume the ends of the male’s hind wings and ingest his haemolymph. Previous research has shown that this behaviour impairs the ability of males to secure additional matings. One hypothesis to account for this effect is that wing wounding triggers an energetically costly immune response, such that nonvirgin males are unable to sustain the costly acoustical signalling needed to attract additional females. To test this hypothesis, we injected virgin males with lipopolysaccharides (LPS) to provoke an immune response, and monitored their mating success in the field. LPS‐injected virgin males took significantly longer to mate than sham‐injected virgin males, and spent significantly less time calling. We also compared virgin, nonvirgin and experimentally wing‐wounded virgin males with respect to: (1) their ability to encapsulate a foreign invader via the accumulation of haemocytes and deposition of melanin and (2) baseline levels of phenoloxidase (PO), a key enzyme in the biochemical cascade leading to the production of melanin. Although encapsulation ability did not differ with reproductive experience, virgin males had significantly higher levels of PO than either nonvirgin or experimentally wing‐wounded virgin males. These results suggest that wing‐wounding alone is sufficient to impair male immunity, and that males trade‐off investment in reproduction and immunity.
Attitudes toward immigrants and immigration policies are divisive issues in American politics. These attitudes are influenced by factors such as political orientation and religiousness, with religious and conservative individuals demonstrating higher prejudice toward immigrants and refugees, and endorsing stricter immigration policies. Christian nationalism, an ideology marked by the belief that America is a Christian nation, may help explain how religious nationalist identity influences negative attitudes toward immigrants. The current research addresses this through four studies among participants in the US. Across studies, our results showed that Christian nationalism was a significant and consistent predictor of anti-immigrant stereotypes, prejudice, dehumanization, and support for anti-immigrant policies. These effects were robust to inclusion of other sources of anti-immigrant attitudes, including religious fundamentalism, nationalism, and political ideology. Further, perceived threats from immigrants mediated the relationship between Christian nationalism and dehumanization of immigrants, and attitudes toward immigration policies. These findings have implications for our understanding of the relations between religious nationalism and attitudes toward immigrants and immigration policy in the US, as well as in other contexts.
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