This article examines how political factors influence anti-immigrant attitudes by focusing on political articulation performed by political parties active at the national level in 26 European countries. Multi-level analysis reveals a significant positive association between general party articulation and anti-immigrant attitudes. In particular, it seems to be when traditional right-or left-wing parties articulate that attitudes towards immigrants turn increasingly negative. Left-leaning individuals are particularly influenced when parties belonging to the political left raise these issues, which indicates that the ideological position of the individual functions as a mediating factor in this regard. The results contribute to a broader understanding of the role of political factors and underscore the importance of their inclusion in cross-national studies of anti-immigrant attitudes.

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This article approaches two shortcomings in previous research on religiosity and prejudice: (1) the lack of cross-country comparative studies; and (2) a failure to consider any moderating effects of religious contexts. We examine whether the relationship between religiosity and anti-immigration attitudes varies depending on religious contexts in Europe, and we find two things. First, strongly religious people are on average less likely to oppose immigration than non-religious people. Second, different religious contexts moderate the religiosityÁattitude relationship in that religious people in Protestant countries and in countries with a low proportion of majority adherents are more tolerant than religious people in Catholic countries and in religiously homogenous countries. State policies also matter in that religious people are more negative where the government favours the majority religion. This calls into question the taken-for-granted understanding of religiosity and out-group attitudes found in the USA.

Previous empirical research on tolerance suffers from a number of shortcomings, the most serious being the conceptual and operational conflation of (in)tolerance and prejudice. We design research to remedy this. First, we contribute to the literature by advancing research that distinguishes analytically between the two phenomena. We conceptualize tolerance as a value orientation towards difference. This definition-which is abstract and does not capture attitudes towards specific out-groups, ideas, or behaviors-allows for the analysis of tolerance within and between societies. Second, we improve the measurement of tolerance by developing survey items that are consistent with this conceptualization. We administer two surveys, one national (Sweden) and one cross-national (Australia, Denmark, Great Britain, Sweden, and the United States). Results from structural equation models show that tolerance is best understood as a three-dimensional concept, which includes acceptance of, respect for, and appreciation of difference. Analyses show that measures of tolerance have metric invariance across countries, and additional tests demonstrate convergent and discriminant validity. We also assess tolerance's relationship to prejudice and find that only an appreciation of difference has the potential to reduce prejudice. We conclude that it is not only possible to measure tolerance in a way that is distinct from prejudice but also necessary if we are to understand the causes and consequences of tolerance.

This study explores how researchers’ analytical choices affect the reliability of scientific findings. Most discussions of reliability problems in science focus on systematic biases. We broaden the lens to emphasize the idiosyncrasy of conscious and unconscious decisions that researchers make during data analysis. We coordinated 161 researchers in 73 research teams and observed their research decisions as they used the same data to independently test the same prominent social science hypothesis: that greater immigration reduces support for social policies among the public. In this typical case of social science research, research teams reported both widely diverging numerical findings and substantive conclusions despite identical start conditions. Researchers’ expertise, prior beliefs, and expectations barely predict the wide variation in research outcomes. More than 95% of the total variance in numerical results remains unexplained even after qualitative coding of all identifiable decisions in each team’s workflow. This reveals a universe of uncertainty that remains hidden when considering a single study in isolation. The idiosyncratic nature of how researchers’ results and conclusions varied is a previously underappreciated explanation for why many scientific hypotheses remain contested. These results call for greater epistemic humility and clarity in reporting scientific findings.

Prejudice is one of the major threats to the cohesion of multicultural societies and adolescent years play a key role in its development. How social contexts contribute to adolescent prejudice is, however, not yet well-known. This 3-wave study of Swedish majority adolescents (N = 659; MageT1 = 13.41; MageT3 = 17.33) examined the effects of parents’ and peers’ attitudes on changes in youth attitudes toward immigrants as well as an interplay between parent, peer, and school context. The results of multilevel analyses revealed that within-person fluctuations in youth attitudes were positively related to fluctuations in peers’ but not parents’ attitudes. Both parents’ and peers’ attitudes, however, significantly predicted the differences in level and rate of change in attitudes between adolescents. In addition to these direct effects, mediation analysis showed that parents’ attitudes predicted youth attitudes indirectly, via the attitudes of the peers youth associate with, suggesting an overall greater importance of parental bias. Peers’ attitudes did not moderate the effects of parents but youth from ethnically diverse classrooms were less affected by their parents’ prejudice than youth from less diverse classrooms. The findings contribute to a better understanding of the role of social context in the development of prejudice. They suggest that while parents set the stage, peers explain the day-to-day variation in prejudice, and that classroom diversity offsets some of the negative effects of parental bias.

This study examined short- and long-term effects of ethnic classroom diversity for intergroup relations in adolescence. Using a five-year panel of Swedish majority youth ( MageT1 = 13.40, MageT5 = 17.30), we found only limited direct effects of classroom diversity on anti-immigrant attitudes. However, classroom diversity increased the likelihood of cross-ethnic friendships, which in turn was associated with lower levels of anti-immigrant attitudes. Moreover, we found that the effect of classroom diversity on friendships remained also after adolescents transitioned to new schools. The findings highlight the importance of longitudinal analyses and contribute to a deeper understanding of how intergroup relations develop during adolescence. It brings new insights related to the longevity of classroom effects and to cross-ethnic friendships’ ability to mediate the diversity–attitudes relationship.

This study examines whether political frames influence anti-immigrant attitudes among native populations in 21 European countries, and if this relationship is somehow moderated by personal experiences of intergroup contact. Using data from the Comparative Manifesto Project and European Social Survey, two indicators of intergroup contact are tested: immigrant friends and immigrant colleagues, to see whether they can counter the effect of nationalistic political framing. The analysis reveals a positive relationship between nationalistic frames and anti-immigrant attitudes that is moderated by experiences of intergroup contact. In this sense, extensive contact with immigrants seems to inoculate individuals against political influences. The results contribute to a better understanding of both the role of political contexts and of the consequences of intergroup contact.