The dimensionality of vaccination intentions: One strain or multiple strains?

OBJECTIVE: People likely have different attitudes toward different vaccines (e.g., they may hold a positive attitude toward the measles, mumps, and rubella-vaccine while simultaneously hold a neutral attitude toward the flu shot). To examine the dimensionality of vaccination intentions, we measured vaccination intentions toward 16 different diseases. We hypothesized that people differentiate between child-directed vaccination intentions and self-directed vaccination intentions. Furthermore, we hypothesized that some commonly studied factors (e.g., trust in authorities and fear of needles) might have different associations with the two subtypes of vaccination intentions. METHOD: We used data from a nationally representative sample of the Netherlands collected in 2021. We used exploratory (N = 865) and confirmatory factor analysis (N = 865) to evaluate the dimensionality hypothesis and used linear hypothesis tests (N = 1,779) to test whether the commonly studied factors had different associations with the different subtypes of vaccination intentions. RESULTS: The analysis showed two distinct factors of vaccination intentions: intentions toward childhood diseases and intentions toward nonchildhood diseases. Additionally, spiritual beliefs, trust in authorities, and belief in conspiracy theories had stronger associations with nonchildhood diseases than with childhood diseases. Fear of needles, prosocial personality, and religious orthodox beliefs did not have different associations with both types of vaccination intentions. CONCLUSIONS: These findings suggest that vaccination intentions is a multidimensional construct and that interventions may benefit from being tailored to the factors relevant for each specific type of vaccine. (PsycInfo Database Record (c) 2024 APA, all rights reserved).

Russia's attacks on civilians strengthen Ukrainian resistance.

The all-out Russian invasion of Ukraine commencing in February 2022 has been characterized by systematic violence against civilians. Presumably, the commanders of Russian forces believe that, for example, the bombing of residential buildings will force Ukrainians to lay down their arms. We ask whether military attacks against civilians deter or, in contrast, motivate resistance against the attackers. Two-wave probability surveys were collected in Ukraine in March and April 2022 (Ns = 1,081 and 811, respectively). Preregistered analyses indicate that perceptions and experience of military attacks (victimization) did not decrease Ukrainians' motivations to resist the invading forces. The analyses suggest that victimization positively relates to motivations to join military combat in defense positions. Military attacks against civilians are morally impermissible and prohibited under international humanitarian law. Our results suggest that such attacks are also counterproductive from a military perspective.

Political repression motivates anti-government violence.

We examined whether political repression deters citizens from engaging in anti-government behaviour (its intended goal) or in fact motivates it. Analyses of 101 nationally representative samples from three continents (N = 139 266) revealed a positive association between perceived levels of repression and intentions to engage in anti-government violence. Additional analyses of fine-grained data from three countries characterized by widespread repression and anti-government violence (N = 2960) identified a positive association between personal experience with repression and intentions to engage in anti-government violence. Randomized experiments revealed that thoughts about repression also motivate participation in anti-government violence. These results suggest that political repression, aside from being normatively abhorrent, motivates anti-repressor violence.

Do Experimental Manipulations of Pathogen Avoidance Motivations Influence Conformity?

By conforming to ingroup norms, individuals coordinate with other group members, preserve cohesion, and avoid costs of exclusion. Previous experiments have shown that increased concerns about infectious disease increase conformity. However, coordination with other group members has multiple benefits, most of which exist independent of pathogenic infection. Hence, a strong causal effect of pathogen avoidance motivations on conformity seems unlikely. Results from five experiments (N = 1,931) showed only limited support for the hypothesis that experimentally increasing pathogen avoidance motivations influences conformity. Overall, our findings are not consistent with the notion that the human mind contains a fast-acting psychological mechanism that regulates conformity as a function of short-term pathogen avoidance motivations.

Do cues of infectious disease shape people's affective responses to social exclusion?

Social exclusion triggers aversive reactions (e.g., increased negative affect), but being excluded may bring substantial benefits by reducing pathogen exposure associated with social interactions. Is exclusion less aversive when cues of infectious diseases are salient in the environment? We conducted two preregistered experiments with a 2 (belonging status: included vs. excluded) × 2 (disease salience: low vs. high) design, using scenarios (Study 1, N = 347) and a well-validated exclusion paradigm, Cyberball (Study 2, N = 519). Positive affect and negative affect were measured as the key outcomes. Across the 2 studies, we found little evidence that disease salience moderated the effect of exclusion (vs. inclusion) on positive affect. At the same time, we observed consistent evidence that disease salience moderated the effect of exclusion (vs. inclusion) on the other affective component: negative affect. Concretely, disease salience increased participants' negative affect in inclusion conditions; in exclusion conditions, the effect of disease salience on negative affect was negligible or nearly zero. Using a novel and robust approach of mediation analysis (interventional indirect effects), we further showed that the motive of disease avoidance rivals the motive of affiliation in shaping people's experiences of social interactions. These findings suggest that cues of disease salience alter people's affective experience with inclusion but not exclusion. The current research represents an important step toward understanding people's affective responses to social exclusion and inclusion in complex social situations involving multiple, and potentially conflicting motives. (PsycInfo Database Record (c) 2023 APA, all rights reserved).

The Association Between Threat and Politics Depends on the Type of Threat, the Political Domain, and the Country.

Theories link threat with right-wing political beliefs. We use the World Values Survey (60,378 participants) to explore how six types of threat (e.g., economic, violence, and surveillance) are associated with multiple political beliefs (e.g., cultural, economic, and ideological identification) in 56 countries/territories. Multilevel models with individuals nested in countries revealed that the threat-political belief association depends on the type of threat, the type of political belief, and the country. Economic-related threats tended to be associated with more left-wing economic political beliefs and violence-related threats tended to be associated with more cultural right-wing beliefs, but there were exceptions to this pattern. Additional analyses revealed that the associations between threat and political beliefs were different across countries. However, our analyses identified few country characteristics that could account for these cross-country differences. Our findings revealed that political beliefs and perceptions of threat are linked, but that the relationship is not simple.

Dominance-Driven Autocratic Political Orientations Predict Political Violence in Western, Educated, Industrialized, Rich, and Democratic (WEIRD) and Non-WEIRD Samples.

Given the costs of political violence, scholars have long sought to identify its causes. We examined individual differences related to participation in political violence, emphasizing the central role of political orientations. We hypothesized that individuals with dominance-driven autocratic political orientations are prone to political violence. Multilevel analysis of survey data from 34 African countries (N = 51,587) indicated that autocracy-oriented individuals, compared with democracy-oriented individuals, are considerably more likely to participate in political violence. As a predictor of violence (indexed with attitudinal, intentional, and behavioral measures), autocratic orientation outperformed other variables highlighted in existing research, including socioeconomic status and group-based injustice. Additional analyses of original data from South Africa (N = 2,170), Denmark (N = 1,012), and the United States (N = 1,539) indicated that the link between autocratic orientations and political violence reflects individual differences in the use of dominance to achieve status and that the findings generalize to societies extensively socialized to democratic values.

Cross-cultural regularities in the cognitive architecture of pride.

Pride occurs in every known culture, appears early in development, is reliably triggered by achievements and formidability, and causes a characteristic display that is recognized everywhere. Here, we evaluate the theory that pride evolved to guide decisions relevant to pursuing actions that enhance valuation and respect for a person in the minds of others. By hypothesis, pride is a neurocomputational program tailored by selection to orchestrate cognition and behavior in the service of: (i) motivating the cost-effective pursuit of courses of action that would increase others' valuations and respect of the individual, (ii) motivating the advertisement of acts or characteristics whose recognition by others would lead them to enhance their evaluations of the individual, and (iii) mobilizing the individual to take advantage of the resulting enhanced social landscape. To modulate how much to invest in actions that might lead to enhanced evaluations by others, the pride system must forecast the magnitude of the evaluations the action would evoke in the audience and calibrate its activation proportionally. We tested this prediction in 16 countries across 4 continents (n = 2,085), for 25 acts and traits. As predicted, the pride intensity for a given act or trait closely tracks the valuations of audiences, local (mean r = +0.82) and foreign (mean r = +0.75). This relationship is specific to pride and does not generalize to other positive emotions that coactivate with pride but lack its audience-recalibrating function.

Parasite stress and pathogen avoidance relate to distinct dimensions of political ideology across 30 nations.

People who are more avoidant of pathogens are more politically conservative, as are nations with greater parasite stress. In the current research, we test two prominent hypotheses that have been proposed as explanations for these relationships. The first, which is an intragroup account, holds that these relationships between pathogens and politics are based on motivations to adhere to local norms, which are sometimes shaped by cultural evolution to have pathogen-neutralizing properties. The second, which is an intergroup account, holds that these same relationships are based on motivations to avoid contact with outgroups, who might pose greater infectious disease threats than ingroup members. Results from a study surveying 11,501 participants across 30 nations are more consistent with the intragroup account than with the intergroup account. National parasite stress relates to traditionalism (an aspect of conservatism especially related to adherence to group norms) but not to social dominance orientation (SDO; an aspect of conservatism especially related to endorsements of intergroup barriers and negativity toward ethnic and racial outgroups). Further, individual differences in pathogen-avoidance motives (i.e., disgust sensitivity) relate more strongly to traditionalism than to SDO within the 30 nations.

Safety, Threat, and Stress in Intergroup Relations: A Coalitional Index Model.

Contact between people from different groups triggers specific individual- and group-level responses, ranging from attitudes and emotions to welfare and health outcomes. Standard social psychological perspectives do not yet provide an integrated, causal model of these phenomena. As an alternative, we describe a coalitional perspective. Human psychology includes evolved cognitive systems designed to garner support from other individuals, organize and maintain alliances, and measure potential support from group members. Relations between alliances are strongly influenced by threat detection mechanisms, which are sensitive to cues that express that one's own group will provide less support or that other groups are dangerous. Repeated perceptions of such threat cues can lead to chronic stress. The model provides a parsimonious explanation for many individual-level effects of intergroup relations and group-level disparities in health and well-being. This perspective suggests new research directions aimed at understanding the psychological processes involved in intergroup relations.

Is Obesity Stigma Based on Perceptions of Appearance or Character? Theory, Evidence, and Directions for Further Study.

Theoretical approaches to stigmatization have highlighted distinct psychological mechanisms underlying distinct instances of stigmatization. Some stigmas are based on inferences of substandard psychological character (e.g., individuals deemed untrustworthy), whereas others are based on perceptions of substandard physical appearance (e.g., individuals with physical deformities). These inferences and perceptions are associated with specific cognitive and motivational processes, which have implications for understanding specific instances of stigmatization. Recent theoretical approaches and empirical findings suggest that obesity stigma involves both inferences of substandard psychological character and perceptions of substandard physical appearance. We provide a review of the relevant evidence and discuss directions for future research.

Disease-avoidance processes and stigmatization: cues of substandard health arouse heightened discomfort with physical contact.

An evolutionary approach to stigmatization suggests that disease-avoidance processes contribute to some instances of social exclusion. Disease-avoidance processes are over-inclusive, targeting even non-threatening individuals who display cues of substandard health. We investigated whether such cues motivate avoidance of physical contact in particular. In Studies 1 and 2, targets with disease (e.g., leprosy) or atypical morphologies (e.g., amputated leg, obesity) were found to arouse differentially heightened discomfort with physical (versus nonphysical) contact, whereas a criminal target (stigmatized for disease-irrelevant reasons) was found to arouse elevated discomfort for both types of contact. Study 3 used a between-subjects design that eliminated the influence of extraneous factors. A diseased target was found to arouse differentially heightened discomfort with physical (versus nonphysical) contact, and to do so more strongly than any other type of target.