We conducted preregistered replications of 28 classic and contemporary published findings, with protocols that were peer reviewed in advance, to examine variation in effect magnitudes across samples and settings. Each protocol was administered to approximately half of 125 samples that comprised 15,305 participants from 36 countries and territories. Using the conventional criterion of statistical significance ( p < .05), we found that 15 (54%) of the replications provided evidence of a statistically significant effect in the same direction as the original finding. With a strict significance criterion ( p < .0001), 14 (50%) of the replications still provided such evidence, a reflection of the extremely high-powered design. Seven (25%) of the replications yielded effect sizes larger than the original ones, and 21 (75%) yielded effect sizes smaller than the original ones. The median comparable Cohen’s ds were 0.60 for the original findings and 0.15 for the replications. The effect sizes were small (< 0.20) in 16 of the replications (57%), and 9 effects (32%) were in the direction opposite the direction of the original effect. Across settings, the Q statistic indicated significant heterogeneity in 11 (39%) of the replication effects, and most of those were among the findings with the largest overall effect sizes; only 1 effect that was near zero in the aggregate showed significant heterogeneity according to this measure. Only 1 effect had a tau value greater than .20, an indication of moderate heterogeneity. Eight others had tau values near or slightly above .10, an indication of slight heterogeneity. Moderation tests indicated that very little heterogeneity was attributable to the order in which the tasks were performed or whether the tasks were administered in lab versus online. Exploratory comparisons revealed little heterogeneity between Western, educated, industrialized, rich, and democratic (WEIRD) cultures and less WEIRD cultures (i.e., cultures with relatively high and low WEIRDness scores, respectively). Cumulatively, variability in the observed effect sizes was attributable more to the effect being studied than to the sample or setting in which it was studied.

We conducted preregistered replications of 28 classic and contemporary published findings with protocols that were peer reviewed in advance to examine variation in effect magnitudes across sample and setting. Each protocol was administered to approximately half of 125 samples and 15,305 total participants from 36 countries and territories. Using conventional statistical significance (p &lt; .05), fifteen (54%) of the replications provided evidence in the same direction and statistically significant as the original finding. With a strict significance criterion (p &lt; .0001), fourteen (50%) provide such evidence reflecting the extremely high powered design. Seven (25%) of the replications had effect sizes larger than the original finding and 21 (75%) had effect sizes smaller than the original finding. The median comparable Cohen’s d effect sizes for original findings was 0.60 and for replications was 0.15. Sixteen replications (57%) had small effect sizes (&lt; .20) and 9 (32%) were in the opposite direction from the original finding. Across settings, 11 (39%) showed significant heterogeneity using the Q statistic and most of those were among the findings eliciting the largest overall effect sizes; only one effect that was near zero in the aggregate showed significant heterogeneity. Only one effect showed a Tau &gt; 0.20 indicating moderate heterogeneity. Nine others had a Tau near or slightly above 0.10 indicating slight heterogeneity. In moderation tests, very little heterogeneity was attributable to task order, administration in lab versus online, and exploratory WEIRD versus less WEIRD culture comparisons. Cumulatively, variability in observed effect sizes was more attributable to the effect being studied than the sample or setting in which it was studied.

Social support and an emerging sense of community are common in flooding, but postflood group dynamics have not been fully addressed. In the context of a flooded community, we explore how social identification with one’s community emerges and affects well‐being, collective efficacy, and social support. Results from a quantitative survey show that social identification was positively associated with common fate, collective efficacy, and well‐being through residents’ expectations of support and shared goals. Importantly, social identification and disaster exposure interacted: For flooded residents, observing support was associated with providing support regardless of levels of social identification. For unaffected residents there was no association between observed and provided support, regardless of levels of social identification. However, for indirectly affected residents observing support was associated to providing support but only when they highly identified with the community. We argue that structural factors should also be considered when exploring the effects of group membership.

This article tests a longitudinal model of the antecedents and consequences of changes in identification with indigenous (Mapuche) among indigenous and nonindigenous youth in Chilean school contexts over a 6-month period (633 nonindigenous and 270 Mapuche students, M ages = 12.47 and 12.80 years, respectively). Results revealed that in-group norms supporting contact and quality of intergroup contact at Time 1 predicted student's changes in Mapuche identification at Time 2, which in turn predicted changes in support for adoption of Chilean culture and maintenance of Mapuche culture at Time 2; some of the relationships between these variables were found to be moderated by age and ethnicity. Conceptual and policy implications are addressed in the Discussion.

In recent years, multiple social movements have emerged around the world. In addition, public surveys indicate the highest recorded levels of support for protest. In this context of acceptance of collective action, we examine the role of nonactivists in the perceived legitimacy of social movements, as this “passive” support can contribute to social change. Given that antecedents of legitimacy have been neglected in the literature, we carried out a survey ( N = 605) among a general sample of the population in Chile to shed light on this issue. We found that social identification with movements and perceived instability predicted the perceived legitimacy of protests by social movements, and that both variables had only indirect effects through group efficacy. This suggests that perceiving social movements as able to achieve success can lead nonactivists to perceive their actions as legitimate, highlighting the importance to movements of being seen to be effective.

The current study explores different routes to civic involvement by identifying how a context-specific dimension of empathy and beliefs of autonomy and dependency might jointly predict different types of giving behaviors (i.e., monetary donations), which in turn should predict civic engagement. The sample consisted of 1,294 participants (656 females) between the ages of 18 to 64 (M(age) = 38.44, SD = 14.71), randomly selected from seven different cities in Chile. Even after controlling for gender, age, and the socioeconomic status of participants, results mainly support the role of giving behaviors as drivers of actual engagement in civic life. Monetary donations, in turn, are predicted by higher levels of empathy toward poverty and autonomy-oriented beliefs. Implications of these findings are discussed in terms of agentic perspectives on civic participation.

No abstract

One of the most controversial issues related to protests is the use of violence by protesters. Although there is a strong social norm against protest violence, research has suggested that protesters’ endorsement of non-violent actions can change according to the legitimacy of police actions during protests. However, both non-participants’ support for protest violence and its relationship with authorities’ measures regarding protests have barely been studied. To address this, we interviewed 17 British undergraduate students with diverse previous experiences as protesters about their views on protest violence. For the interviews, we used vignettes to describe two fictional scenarios, one where the government and the police actively restrict the right to protest and another where authorities facilitate protesters’ actions. A thematic analysis incorporating elements from the ideological dilemmas approach was carried out to explore the range of arguments related to protest violence. We found that most participants articulated a variety of expressions that made up a recognisable cultural pattern: protest should be peaceful. However, when participants perceived that ‘the right to protest’ was threatened by state repression, those who earlier rejected protest violence argued that they would support the use of violence against the police as ‘self-defence’. Our findings suggest there are pervasive frameworks for interpreting and responding to real contexts of political openness and repression, and reflective of people’s ability to simultaneously hold contradictory views about the legitimacy of protest violence.