This study explores the impact of vulnerability appeals during the COVID-19 pandemic using a nationally representative, preregistered survey experiment (N = 4,087) conducted in mid-2021. We explore whether providing citizens with information about the vulnerability of ethnic minority and disabled citizens to COVID-19 fosters empathy and increased support for behavioral restrictions. We observe minimal statistically significant or substantive effects, although the presence of subtle effects cannot be entirely ruled out. We identify some limited indications that individuals with disabilities exhibit increased support for restrictions when exposed to information about the vulnerability of disabled people to COVID-19, but these effects are inconsistent. Therefore, our findings provide limited evidence to confirm or rule out that using vulnerability appeals alone is effective for influencing public attitudes toward behavioral restrictions. The findings point toward avenues for future research, including a closer examination of heterogeneous responses to public health messaging among population subgroups.

There is a long-standing interest in how the visual appearance of politicians predicts their success. Usually, the scope of such studies is limited by the need for human-rated facial features. We instead fine-tune pre-trained image classification models based on convolutional neural networks to predict facial features of 7,080 Danish politicians. Attractiveness and trustworthiness scores correlate positively and robustly with both ballot paper placement (proxying for intra-party success) and the number of votes gained in local and national elections, while dominance scores correlate inconsistently. Effect sizes are at times substantial. We find no moderation by politician gender or election type. However, dominance scores correlate significantly with outcomes for conservative politicians. We discuss possible causal mechanisms behind our results.

Although influential models of public opinion hold that group sentiments play an important role in shaping political beliefs, they often assume that group attitudes stem from socialization and are thus exogenous to politics. We challenge this assumption, arguing that group attitudes may themselves be the consequence of political views. Across three survey experiments that each uses a unique social group–issue pair, we consistently demonstrate that attitudes toward groups are influenced by information about the groups' policy views. These findings persist even when accounting for potential partisan signaling. Altogether, these results show that group sentiments should not be regarded as wholly exogenous to policy concerns and suggest that the use of group-based heuristics can be consistent with instrumental models of public opinion.

Many court observers have argued that judges are capable of avoiding the use of extraneous factors in decision-making. This study examines the influence of seemingly irrelevant heuristics on real-world courtroom proceedings. Drawing on theories from neighboring disciplines, I hypothesize that physically attractive attorneys have greater success in US federal court. Using a generalizable causal inference strategy and a dataset of over 1,000 cases and 3,000 votes, I find support for my expectations using multiple measures of attractiveness. These findings raise serious normative concerns about equality and underscore the need to adjust traditional models of judicial behavior to account for inherent biases.

Do advisers affect foreign policy and, if so, how? Recent scholarship on elite decision making prioritizes leaders and the institutions that surround them, rather than the dispositions of advisers themselves. We argue that despite the hierarchical nature of foreign policy decision making, advisers’ predispositions regarding the use of force shape state behavior through the counsel advisers provide in deliberations. To test our argument, we introduce an original data set of 2,685 foreign policy deliberations between US presidents and their advisers from 1947 to 1988. Applying a novel machine learning approach to estimate the hawkishness of 1,134 Cold War–era foreign policy decision makers, we show that adviser-level hawkishness affects both the counsel that advisers provide in deliberations and the decisions leaders make: conflictual policy choices grow more likely as hawks increasingly dominate the debate, even when accounting for leader dispositions. The theory and findings enrich our understanding of international conflict by demonstrating how advisers’ dispositions, which aggregate through the counsel advisers provide, systematically shape foreign policy behavior.

Survey researchers testing the effectiveness of arguments for or against policies traditionally employ between-subjects designs. In doing so, they lose statistical power and the ability to precisely estimate public attitudes. We explore the efficacy of an approach often used to address these limitations: the repeated measures within-subjects (RMWS) design. This study tests the competing hypotheses that (1) the RMWS will yield smaller effects due to respondents' desire to maintain consistency (the “opinion anchor” hypothesis), and (2) the RMWS will yield larger effects because the researcher provides respondents with the opportunity to update their attitudes (the “opportunity to revise” hypothesis). Using two survey experiments, we find evidence for the opportunity to revise hypothesis, and discuss the implications for future survey research.

Cet article étudie les attitudes des Québécois à l’égard des personnes assistées sociales. Il s'intéresse à la variation du niveau d'aide mensuel que les Québécois sont prêts à leur accorder en fonction du profil de prestataires. L'article vise plus spécifiquement à étudier l'influence de l'aptitude au travail en tant qu'heuristique de mérite structurant l'opinion des Québécois. Nos résultats indiquent que les Québécois sont d'avis que les prestataires de l'assistance sociale devraient recevoir des soutiens mensuels inférieurs à ce qu'ils considèrent être le revenu minimum nécessaire pour couvrir les besoins de base. L'opinion des Québécois quant au niveau adéquat d'aide devant être offerte aux personnes assistées sociales est aussi fortement structurée par la question de l'aptitude au travail et par la perception que les individus sont en contrôle de leur situation. Finalement, la notion d'aptitude au travail se distingue clairement d'une variété d'autres caractéristiques individuelles pouvant influencer les opinions des Québécois.

Prior research using the Moral Foundations Questionnaire (MFQ) has established that political ideology is associated with self-reported reliance on specific moral foundations in moral judgments of acts. MFQ items do not specify the agents involved in the acts, however. By specifying agents in MFQ items we revealed blatant political double standards. Conservatives thought that the same moral foundation was more relevant if victims were agents that they like (i.e., corporations and other conservatives) but less relevant when the same agents were perpetrators. Liberals showed the same pattern for agents that they like (i.e., news media and other liberals). A UK sample showed much weaker political double standards with respect to corporations and news media, consistent with feelings about corporations and news media being much less politicized in the UK than in the US. We discuss the implications for moral foundations theory.

There is a continuing debate over the political importance and durability of partisan attachments in European multi-party systems. Drawing on a nationally representative five-wave panel, we provide a longitudinal test of the power of partisanship in Italy over the course of the tumultuous 2013 national elections. We find that a strong partisan affiliation measured as a social identity two years prior to the election promoted system stability by increasing support for the in-party and inhibiting electoral support for the insurgent Five Star Movement (M5S). In contrast, non-partisans, especially highly educated ones, were more likely than partisans to vote for M5S. Our results illustrate the role of partisanship in stabilizing multi-party systems amid crisis.

As international trade flourishes, Americans can choose from an increasing number of foreign products even at their local grocery stores, allowing consumers to directly experience the consequences of globalized trade in a simple and intuitive way that does not require much political expertise. Yet, most prior scholarship on political consumerism assumes that consumers are aware of the political and economic implications of their choices at the checkout lane. We move away from this assumption, focusing instead on more fundamental psychological predispositions such as ethnocentrism that may guide daily consumer choices. Using a discrete choice conjoint experiment, we show that Americans, on average, exhibit ethnocentric consumer preferences, with demand for products falling as they are produced in more culturally and ethnically distant places. Additionally, we show that this effect is more pronounced among those with higher levels of ethnocentrism. Our results provide evidence for a “naïve” form of political consumerism.

Analyzing unique, nationally representative data, I show that two faces of sexism—hostile and benevolent—operate in systematically different ways to shape Americans’ electoral decisions and evaluations of their leaders. In the 2016 presidential election, both fostered support for Donald Trump and opposition to Hillary Clinton. They operated differently at the congressional level, however. In analyses of actual congressional candidates and in a conjoint experiment, the impact of hostile sexism is moderated by candidate sex: those high in hostile sexism oppose (and those low in hostile sexism favor) female candidates. Benevolent sexism is moderated by candidates’ symbolically gendered leadership styles: those high in benevolent sexism oppose candidates with feminine styles and favor candidates with masculine styles, regardless of whether the candidate is male or female. I conclude with discussion of the implications of the two faces of sexism for the role of gender and power in American elections.

Political scientists recognize discriminatory attitudes as key to understanding a range of political preferences. Sexism is associated with both explicitly and non-explicitly gendered attitudes. But why do certain individuals display discriminatory attitudes, while others do not? Drawing from psychology, we examine the potential power of an underexplored set of personality traits—secure versus fragile self-esteem—in explaining gendered attitudes and preferences. With an online sample of (N = 487) U.S.-based participants, we find that fragile self-esteem is an important trait underlying individuals’ attitudes: individuals who display a discordant view of self—explicitly positive but implicitly negative—are more likely to hold hostile sexist attitudes and prefer men in leadership; these individuals are also more likely to support the Republican Party and former U.S. president Donald Trump. While present in only a fraction of the population, our results suggest that this trait may be important for understanding the development of discriminatory attitudes toward out-groups.

How do cognitive biases relevant to foreign policy decision making aggregate in groups? Many tendencies identified in the behavioral decision-making literature—such as reactive devaluation, the intentionality bias, and risk seeking in the domain of losses—have been linked to hawkishness in foreign policy choices, potentially increasing the risk of conflict, but how these “hawkish biases” operate in the small-group contexts in which foreign policy decisions are often made is unknown. We field three large-scale group experiments to test how these biases aggregate in groups. We find that groups are just as susceptible as individuals to these canonical biases, with neither hierarchical nor horizontal group decision-making structures significantly attenuating the magnitude of bias. Moreover, diverse groups perform similarly to more homogeneous ones, exhibiting similar degrees of bias and marginally increased risk of dissension. These results suggest that at least with these types of biases, the “aggregation problem” may be less problematic for psychological theories in international relations than some critics have argued. This has important implications for understanding foreign policy decision making, the role of group processes, and the behavioral revolution in international relations.

Growing attitudinal and affective differences across party lines and increasing social polarization are often attributed to the strengthening of partisanship as a social identity. Scholars have paid less attention to personal preferences as a contributor to these phenomena. Our focus is on how citizens’ policy beliefs—their operational ideologies—are associated with their views of partisan groups. We examine our perspective with two studies. In the first, we find that the attribution of ideologically extreme political views to an individual's peer significantly reduces interest in interpersonal interaction but find limited evidence that partisan group membership alone induces social polarization. In the second, we show that citizens’ policy views are strongly associated with their perceptions of their own partisan group as well as their counterpartisans. Together, our results have important implications for understanding the consequences of increased polarization and partisan antipathy in contemporary politics.