Tearful crying is a ubiquitous and likely uniquely human phenomenon. Scholars have argued that emotional tears serve an attachment function: Tears are thought to act as a social glue by evoking social support intentions. Initial experimental studies supported this proposition across several methodologies, but these were conducted almost exclusively on participants from North America and Europe, resulting in limited generalizability. This project examined the tears-social support intentions effect and possible mediating and moderating variables in a fully pre-registered study across 7,007 participants (24,886 ratings) and 41 countries spanning all populated continents. Participants were presented with four pictures out of 100 possible targets with or without digitally-added tears. We confirmed the main prediction that seeing a tearful individual elicits the intention to support, d = .49 [.43, .55]. Our data suggest that this effect could be mediated by perceiving the crying target as warmer and more helpless, feeling more connected, as well as feeling more empathic concern for the crier, but not by an increase in personal distress of the observer. The effect was moderated by the situational valence, identifying the target as part of one's group, and trait empathic concern. A neutral situation, high trait empathic concern, and low identification increased the effect. We observed high heterogeneity across countries that was, via split-half validation, best explained by countrylevel GDP per capita and subjective well-being with stronger effects for higher-scoring countries. These findings suggest that tears can function as social glue, providing one possible explanation why emotional crying persists into adulthood.

The purpose of crying has recently become a topic of interest, with evidence supporting its interpersonal functions. The assumption that tears not only express a need for help, but in reaction also foster willingness to help in an observer, has received preliminary empirical support. The current study replicated previous work using a within-subject design with 140 subjects (50% female) who were exposed to images depicting male and female individuals crying, with half of both displaying visible tears and the others not displaying tears. Novel is our comparison of willingness to help across all possible gender combinations of tear display and observer. Potential mediation by perceived helplessness, friendliness, and connectedness of the depicted person was tested in male and female participants separately. We replicated the strong effect of tears on willingness to help, and showed this effect to be less potent for male dyads than for female or mixed ones, which is new to the literature. Perceived helplessness mediated the link between crying and helping, whereas perceived connectedness seemed only relevant for female participants, and perceived friendliness was not significant. Possible origins and implications of a differential gender function of crying are discussed.

Tearful crying is a ubiquitous and mainly human phenomenon. The persistence of this behavior throughout adulthood has fascinated and puzzled many researchers. Scholars have argued that emotional tears serve an attachment function: Tears are thought to act as a social glue that binds individuals together and triggers social support intentions. Initial experimental studies supported this proposition across several methodologies, but these were typically conducted only across Western participants, resulting in limited generalizability. The present study examines this effect across 36 countries spanning all populated continents, providing the most comprehensive investigation of the social effects of tearful crying to-date. Next to testing possible mediating factors, we also examine a number of moderating factors, including the crier’s gender and group membership, the situational valence (positive or negative situations), the social context (in private or public settings), the perceived appropriateness of crying, and trait empathy of the observer. The current work can inform theories on crying across the social sciences.

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Eyewitness evidence plays an important role in criminal trials, often influencing decisions made by triers of fact. To evaluate eyewitness testimonies more accurately, judges must be aware of factors that can contaminate this type of evidence. In 2008, a survey of judges in Norway revealed a lack of awareness of several factors that affect eyewitness testimony. However, little is known about judges' current knowledge of this topic and how this knowledge has evolved over time. In the current study, a survey was administered to judges in Norway (N = 98) to evaluate their knowledge of factors that affect eyewitness testimony. Results showed that judges' overall knowledge scores were similar to those reported in 2008, but substantial increases and decreases in knowledge were observed for specific factors. Additional analyses indicated that increased uncertainty regarding some eyewitness factors led to a decline in accuracy when compared to responses observed in 2008. The current study provides an updated assessment of judges' knowledge of eyewitness factors and highlights the need for comprehensive training for judges regarding factors that can impair eyewitness testimony.