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When a naïve observer meets with a familiar conspecific in pain, mice may have a myriad of social (sniffing, allolicking, allogrooming, huddling) and non-social (self-grooming) behaviors under dyadic social interaction (DSI) paradigm. Unlike male, female observers express more allolicking behavior toward injury site of a familiar female in pain, but with less body allogrooming. In current study, we investigated roles of natural estrus cycle phases and ovarian estrogen in these behaviors and results showed that: (1) there was no changes in above behaviors in terms of latency, time and bouts across different natural estrus cycle phases in intact female. (2) however, ovariectomy (OVX) changed estrus cycle phases, lowered circulating level of ovarian estrogen, reduced time and bouts of allolicking behavior and increased time of self-grooming without affecting other behaviors. Moreover, OVX in observers decreased social buffering effect of DSI on spontaneous pain-related behavior in demonstrator relative to naïve and sham controls. (3) treatment of OVX-female with ß-estradiol (E2) or progesterone (PROG) as replacement therapies, only E2 reversed impairment of allolicking behavior. (4) Additionally, socially transferred pain could be identified in intact female across all estrus cycle phases post-DSI, but disappeared in OVX-female, which could be reversed completely by E2 but not by PROG. (5) Finally, serum levels of estrogen, PROG, oxytocin, arginine vasopressin (AVP), prolactin, norepinephrine and 5-HT were examined by ELISA after E2, results showed only AVP level was significantly increased. These results suggest both injury site-targeted caring behavior and socially transferred pain are selectively dependent on ovarian estrogen.

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Recent studies have enthusiastically examined the developmental origin of moral self-licensing, which is a tendency to act immorally after acting morally. However, it has not been considered enough how children evaluate personality traits of individuals who show moral licensing behavior and whether there is any developmental change in this evaluation. This study examined the developmental change in moral evaluation, social preference, and prediction of moral behaviors for moral licensing characters as well as moral or immoral characters. In total, 36 5- and 6-year-old children, 36 7- and 8-year-old children, and 58 university students participated in the study. The results revealed that 7- and 8-year-olds and adults evaluated moral licensing characters as more moral and likable than those who behave immorally, unlike 5- and 6-year-olds, who did not distinguish between the immoral and moral licensing characters. Importantly, 7- and 8-year-olds judged the moral licensing character as neutral in both moral evaluation and judgment of social preference, suggesting that they thought the immoral behavior was canceled out owing to prior moral behavior in the moral licensing character. However, adults still judged the moral licensing character as immoral and dislikable. Moreover, children's prediction of moral behavior for all characters showed the same tendency as moral evaluation, whereas adults' prediction was slightly different from their moral evaluation. Taken together, our findings revealed that the evaluation of individuals who show moral licensing behavior changed developmentally, and a moral licensing effect was found when evaluating others' moral traits from around 7 or 8 years of age.

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INTRODUCTION: This study explored the general tendencies and heterogeneous developmental trajectory of prosocial behavior and predictors. METHOD: The present study conducted latent growth model and growth mixture model analyses in a sample of 814 students (Mage = 13.79 years old at baseline; 57% girls) from economically disadvantaged families, classified as being below the local income threshold in China, with four follow-up surveys administered during the following 2 years. RESULTS: The general tendency in the developmental trajectory of prosocial behavior showed a linear decrease. A gender difference in initial levels was observed, with girls showing a higher initial level of prosocial behavior than boys. Family functioning, subjective support, and support utilization significantly affected the intercept, but objective support significantly negatively affected the slope. Heterogeneity in the development of prosocial behavior was best classified with a 3-class solution, including C1 (Rapid-decrease, 10.6%), C2 (Medium-stable, 42.5%), and C3 (High-increase, 46.9%). The patterns of prosocial behavior development in economically disadvantaged children with higher family functioning were more likely to be in the High-increase Class than in the Rapid-decrease Class. CONCLUSION: The present study revealed an average decline in the trajectories of prosocial behavior development in economically disadvantaged children. However, it also captured heterogeneous developmental trajectories. Furthermore, the study revealed that family functioning, subjective support, and support utilization all served as protective factors for prosocial behavior among economically disadvantaged children.

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The scientific study of love underscores the importance of dyadic reciprocity in laying the foundation for infants' social development. While research establishes links between early reciprocity and children's social capacities, some infants appear to benefit from reciprocity more than others. A central feature of reciprocity is its contingent structure, that is, the extent to which maternal behaviors are temporally associated with and contingent upon infants' dynamically changing cues. As such, infants' sensitivity to social contingencies may define the extent to which an infant benefits from maternal reciprocity. The current study examined the role of infants' sensitivity to social contingency (SC) in moderating associations between early maternal reciprocity and subsequent infants' social behavior. The study followed 157 children (47% females), across the first year of life (4, 10, and 12 months) and at preschool age (48 months). Infants' SC at 4 and 10 months moderated the link between early maternal reciprocity and infants' prosocial behavior observed at 12 months. SC at 10 months moderated the link between early reciprocity and reported peer problems at 48 months. Maternal reciprocity predicted more helping behavior in infancy and fewer peer problems at preschool, but only for infants who displayed high SC. Findings highlight the contingent nature of reciprocal mother-infant interactions revealing that an infant's sensitivity to breaks in social-contingency moderates the developmental benefit of reciprocity. Future research is necessary to directly test the underlying mechanisms of these processes and better understand the individual characteristics of infants' sensitivity to social contingency and its' role in typical and atypical development. RESEARCH HIGHLIGHTS: Individual differences in infants' sensitivity to breaks in social contingencies may moderate the extent to which infants benefit from contingent reciprocal maternal behavior (i.e., maternal reciprocity). Maternal reciprocity predicted more helping behavior in infancy and fewer peer problems at preschool, but only for infants who displayed high sensitivity to breaks in social contingency. Findings highlight the contingent nature of reciprocal mother-infant interactions revealing that infants' sensitivity to breaks in social-contingency moderates the developmental benefit of reciprocity. Findings emphasize the need to develop measurement methods and direct empirical attention to the important yet understudied individual characteristic of infants' sensitivity to social contingency and its role in shaping social development.

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The present research aimed to observe superhero films' impacts on prosocial behavior, mediated by state-empathy (cognitive, affective and associative empathy) and moral justification. To achieve this goal, two online experiments were conducted, each with 200 Brazilian volunteers (Study 1: 70.5% women, mean age = 28.82, SD = 9.22. Study 2: 52.5% men, mean age = 27.63, SD = 9.25). We used a scene from Batman v Superman as the stimulus in the experimental groups. Prosocial behavior was measured using a food allocation task. Data from both studies showed that even when featuring violent elements, superhero films positively impacted prosocial behavior. These effects were indirect, mediated by associative empathy in Study 1 and moral justification in Study 2. Results highlight the complex relationship between prosocial violent media (aggressive content with prosocial goals) and behavior. We also emphasize the research's novelty, as studies that investigate media content that is both negative and positive are still scarce.

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Diminished basal parasympathetic nervous system activity is a feature of frontotemporal dementia that relates to left frontoinsula dysfunction and empathy impairment. Individuals with a pathogenic expansion of the hexanucleotide repeat in chromosome 9 open reading frame 72 (C9orf72), the most common genetic cause of frontotemporal dementia and amyotrophic lateral sclerosis, provide a unique opportunity to examine whether parasympathetic activity is disrupted in genetic forms of frontotemporal dementia and to investigate when parasympathetic deficits manifest in the pathophysiological cascade. We measured baseline respiratory sinus arrhythmia, a parasympathetic measure of heart rate variability, over two minutes in a sample of 102 participants that included 19 asymptomatic expansion carriers (C9+ asymp), 14 expansion carriers with mild cognitive impairment (C9+ MCI), 16 symptomatic expansion carriers with frontotemporal dementia (C9+ FTD), and 53 expansion-negative healthy controls (C9- HC) who also underwent structural magnetic resonance imaging. In follow-up analyses, we compared baseline respiratory sinus arrhythmia in the C9+ FTD group with an independent age-, sex-, and clinical severity-matched group of 26 people with sporadic behavioral variant frontotemporal dementia. The Frontotemporal Lobar Degeneration-modified Clinical Dementia Rating-Sum of Boxes score was used to quantify behavioral symptom severity, and informant ratings on the Interpersonal Reactivity Index provided measures of participants' current emotional (empathic concern) and cognitive (perspective-taking) empathy. Results indicated that the C9+ FTD group had lower baseline respiratory sinus arrhythmia than the C9+ MCI, C9+ asymp, and C9- HC groups, a deficit that was comparable to that of sporadic behavioral variant frontotemporal dementia. Linear regression analyses indicated that lower baseline respiratory sinus arrhythmia was associated with worse behavioral symptom severity and lower empathic concern and perspective-taking across the C9orf72 expansion carrier clinical spectrum. Whole-brain voxel-based morphometry analyses in participants with C9orf72 pathogenic expansions found that lower baseline respiratory sinus arrhythmia correlated with smaller gray matter volume in the left frontoinsula and bilateral thalamus, key structures that support parasympathetic function, and in the bilateral parietal lobes, occipital lobes, and cerebellum, regions that are also vulnerable in individuals with C9orf72 expansions. This study provides novel evidence that basal parasympathetic functioning is diminished in FTD due to C9orf72 expansions and suggests that baseline respiratory sinus arrhythmia may be a potential non-invasive biomarker that is sensitive to behavioral symptoms in the early stages of disease.

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PURPOSE: To investigate whether changes in volunteering from adolescence to young adulthood are associated with subsequent health and well-being outcomes in adulthood. DESIGN: Longitudinal cohort study. SETTING: National Longitudinal Study of Adolescent to Adult Health. SUBJECTS: U.S. adults from Wave IV (2008/2009; N = 12,234) and Wave V (2016-2018; N = 9,971). MEASURES: Any volunteering and nine types of volunteering (independent variables) and 41 health and well-being outcomes (dependent variables) using an outcome-wide approach with multiple linear-, logistic-, and generalized linear regressions. RESULTS: Volunteering in young adulthood was associated with better health behaviors (e.g., 34% decreased risk of binge drinking, 95% CI [0.54, 0.81]) and improved psychosocial and civic outcomes (e.g., lower depressive symptoms (ß = -0.08, 95% CI [-0.14, -0.02]) in adulthood. Volunteering showed little evidence of associations with other health and well-being outcomes (e.g., loneliness, (ß = -0.04, 95% CI [-0.09, 0.01])). Assessing volunteering by organization types showed a range of positive and negative outcomes. For example, volunteering in hospitals/nursing homes was associated with a 36% increased risk of high cholesterol (95% CI [1.06, 1.73]) and volunteering with political clubs was associated with a 52% increased risk of an anxiety diagnosis (95% CI [1.13, 2.05]). CONCLUSION: Our findings suggest more work is needed to determine the conditions under which volunteering is health promoting and to minimize potential adverse effects associated with some types of volunteering.

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This study aimed to investigate the influence of attention and intelligence in the prediction of prosocial behavior by direct aggression (proactive or reactive) in school-aged children at risk for behavioral problems. The sample was composed of 64 children aged 6 to 8 years screened for risk of behavioral problems, who were enrolled in a clinical trial. Multiple regression models were tested to investigate the prediction of prosocial behavior by direct aggression (proactive or reactive), attention, and intelligence. Additive multiple moderation models were tested to analyze the conditional effect of attention and intelligence in the prediction of prosocial behavior by proactive and reactive aggression. Aggression (proactive or reactive), attention, and intelligence did not linearly predict prosocial behavior. Conditional effects were found only for the proactive aggression model. Negative impacts on prosocial behavior were observed among children with low attention and high intelligence performance, while medium and high levels of attention showed to be protective factors among low to medium intellectual ability children. Clinical impacts of the results are discussed.

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[This corrects the article DOI: 10.3389/fpsyg.2023.1238308.].

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The present study examined longitudinal, transactional associations between youth social adjustment (prosociality, peer relationship difficulties) and parental emotion socialization in early adolescence. Adolescent gender was considered as a potential moderator. Eighty-seven adolescent-parent dyads (50 girls, 37 boys) participated in 8th grade, with follow-up waves in 9th and 10th grade. Adolescents reported their experiences of peer victimization and their parents' emotion socialization responses, and parents reported youth prosocial behavior and peer relation problems. Hierarchical linear modeling results indicated transactional associations between parent supportive/unsupportive responses and adolescent peer relations and prosociality over time, some of which were moderated by adolescent gender. Increases in parental supportive emotion socialization corresponded to decreased experiences of peer victimization over time for girls, but not boys. When peer victimization increased over time, girls reported less parental supportive responses and all adolescents reported receiving more unsupportive responses from parents. For all adolescents, parents' increased supportive responses also corresponded to decreased peer problems and increased prosocial behavior. As prosocial behavior increased, so did parental supportive responses. Increases in parents' unsupportive responses related to decreased prosocial behavior, and increases in adolescent prosocial behavior related to decreases in parents' unsupportive responses. Results suggest that there is mutual influence between parent emotion socialization and adolescent social adjustment. Adolescent girls appear to uniquely benefit from parents' supportive emotional socialization in relation to their experiences of peer victimization. Potential mechanisms and implications are discussed.

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Introduction: Researchers have identified links between anxious and avoidant attachments and difficulties with self-compassion, giving others compassion, and receiving compassion. However, while compassion requires both awareness of opportunities for compassion and compassionate action, little is known about attachment-related differences in reporting compassionate opportunities. Further, most research relies on retrospective-reports that may not accurately assess compassionate behaviors in everyday life. Method: Consequently, we collected 2,757 experience sampling survey responses from 125 participants (95 women, 27 men, 3 non-binary, M age = 18.74, SD age = 1.66) to investigate whether attachment anxiety, avoidance, or their interaction were associated with differences in propensity for reporting compassionate opportunities, actions, and emotional responses to opportunities in everyday life across self-compassion, giving compassion, and receiving compassion. Results: Anxiety was associated with greater likelihood of reporting all types of compassionate opportunities and less positive responses to opportunities to receive compassion. Avoidance was associated with less likelihood of reporting opportunities to give and receive compassion and less positive responses to opportunities to give compassion. Those high in anxiety but simultaneously low in avoidance reported fewer self-compassionate actions, but we identified no further differences in compassionate action. Discussion: This study highlights the potential role of awareness of compassionate opportunities in attachment-related differences in compassion.

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INTRODUCTION: The term contribution is a key feature of approaches to positive youth development but has yet to be adequately defined. The purposes of this study were to identify properties that underlie contribution and to establish a theoretical definition of the construct. METHODS: A two-phase scoping review was conducted. The first phase involved the systematic search, selection, and analysis of studies from which six properties of contribution were identified and a preliminary theoretical definition was constructed. In the second phase expert judges rated the degree to that the proposed definition and the six properties of contribution fit with their conceptualization of the construct on a 6-point scale. RESULTS: Mean ratings for the definition and the six properties ranged from 5.05 to 5.70. Judges' ratings for the overall definition of contribution and the six properties were evaluated using Aiken's content validity coefficient (V). All V coefficients ranged in size from 0.81 to 0.94 and were statistically significant (p's < .01) indicating that the definition of contribution and the corresponding six properties fit well with experts' conceptualizations of the construct. CONCLUSION: This study provides a theoretical definition of contribution that will serve as a foundation upon which future research in the area of positive youth development can build.

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Lifespan developmental theories and research suggest a positive effect of adult age on prosociality. However, this effect lacks consistency, with many studies excluding the period of midlife. This study summarized cross-sectional studies on adult age and prosociality, combining 120 (independent) samples (n = 103,829) in a lifespan meta-analysis approach. Linear and quadratic age effects on prosociality were analyzed, as well as comparisons between younger, middle-aged, and older adults. Prosociality was assessed via behavioral measures and self-reports. In both these domains, results indicated small linear age effects and higher prosociality in older compared to younger adults, supporting the hypothesis of increased prosociality in older age. Additionally, leveraging open data sets (64/120 independent samples), predominantly unpublished, we found some evidence for potential quadratic age effects on behavioral prosociality: Middle-aged adults exhibited higher behavioral and self-reported prosociality than younger adults, but no differences between middle-aged and older adults were observed. This meta-analysis offers new perspectives on age trajectories of prosociality, suggesting midlife as a potentially important phase of pronounced prosociality.

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Forgiveness plays an important role in restoring and maintaining cooperative relationships. Previous studies have demonstrated that young children could forgive transgressors both as a third party and as a victim. However, the research on young children's understanding of forgiveness is scant. This study focused on the two main functions of forgiveness-the restoration of a damaged relationship between the victim and the transgressor and the positive emotional change in the victim toward the transgressor. In this study, 48 4-year-olds (25 girls), 50 5-year-olds (21 girls), and 50 6-year-olds (21 girls) in Japan heard stories in which a victim either did or did not forgive a transgressor. They answered questions about the relationship between the victim and the transgressor and the victim's feelings toward the transgressor. Regarding the restoration of a damaged relationship, 4- to 6-year-olds understood that the restoration could occur in the presence of forgiveness. Yet, 6-year-olds showed more distinctive belief than 4- and 5-year-olds that the damaged relationship remains unrestored without forgiveness from the victim. For emotional changes, 6-year-olds understood that the forgiving victim would experience positive emotional changes, whereas the unforgiving victim would not. However, 4- and 5-year-olds expected positive emotional changes even without forgiveness, although they anticipated greater changes after forgiveness. The results show that the understanding of the important functions of forgiveness is present at 4 years of age and matures by 6 years of age. Children may develop a sophisticated understanding of the functions of forgiveness later than the actual forgiving behavior.

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Teachers' actions go beyond instruction, as their personal traits influence their teaching methods, problem-solving skills, and the quality of their relationships with students. Among these attributes, their prosocial competencies stand out for contributing to school, community, and social coexistence. Furthermore, the connection they have to resilience and self-efficacy promotes increased effectiveness in meeting the demands of an ever-more challenging work environment. This research aimed to analyze the effect of the relationship between self-efficacy and resilience on the prosocial behavior of Chilean elementary school teachers. The sample consisted of 1426 teachers (77.2% women) working in public and subsidized Chilean schools. Structural equation modeling (SEM) explored the relationships between self-efficacy, resilience, and prosocial behavior. The findings indicate that self-efficacy and resilience directly and positively affect the prosocial behavior of elementary school teachers. It is suggested that resilience, self-efficacy, and prosociality among teachers are promoted due to their synergistic effects and, consequently, the benefits for school children, especially those from vulnerable social contexts.

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Emotional intelligence and prosocial behavior both play an important role in the development of children and adolescents. However, the strength of the association between emotional intelligence and prosocial behavior in children and adolescents is controversial. Hence, this study aimed to conduct a meta-analysis to evaluate the exact association between emotional intelligence and prosocial behavior in children and adolescents. Through a literature search, a total of 40 studies and 40 effect sizes were included in this meta-analysis (n = 20621). In this study, the main effect test shows that there is a significant positive correlation between emotional intelligence and prosocial behavior in children and adolescents (r = 0.43). Moreover, the present study found a significant moderating effect of age. More specifically, the association between early childhood (0-6 years) emotional intelligence and prosocial behavior is stronger than in middle childhood (7-12 years) and adolescence (13-18 years), and the correlation between emotional intelligence and prosocial behavior is stronger in boys than in girls. The culture was also found to be an important moderator, the association was found to be weaker for Western culture than for Eastern culture. Finally, a stronger correlation between the two variables was found when the emotional intelligence measurement tool was LZ (Emotional intelligence questionnaire compiled by Liu Yan and Zou Hong). These results indicated that improving children's and adolescents' emotional intelligence could be an important strategy to enhance children's prosocial behavior.

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While the influence of high-status peers on maladaptive behaviors is well-documented, socialization processes of prosocial behavior through high-status peers remain understudied. This study examined whether adolescents' prosocial behavior was influenced by the prosocial behavior of the peers they liked and whether this effect was stronger when the peers they liked were also well-liked by their classmates. Three waves of data, six months apart, were collected among Chilean early adolescents who completed peer nominations and ratings at Time 1 (n = 294, Mage = 13.29, SD = 0.62; 55.1% male), Time 2 (n = 282), and Time 3 (n = 275). Longitudinal social network analyses showed that adolescents adopted the prosocial behavior of the classmates they liked - especially if these classmates were well-liked by peers in general. In addition, adolescents low in likeability were more susceptible to this influence than adolescents high in likeability. The influence resulted both in increases and - especially - decreases in prosocial behavior, depending on the level of prosociality of the liked peer. Findings suggest that likeability represents an important aspect of peer status that may be crucial for understanding the significance of peer influence with respect to prosocial behaviors during adolescence. Pre-Registration: https://osf.io/u4pxm .

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Game interventions have drawn much attention for their playful features and "painless" promotion of simple game-targeted pro-environmental behaviors (GPEBs), which could spill over to more "costly" prosocial behaviors for pro-environmental causes (PSBPs). The literature places much emphasis on game-targeted mechanisms (e.g., enjoyment and competition) to explain the impacts of game interventions, but pays little attention to non-game-targeted mechanisms to explore their spillover effect. Using online survey data from 1246 Chinese residents, this paper first compares players' and nonplayers' levels of engagement with GPEBs and with two common PSBPs, finding a positive spillover effect from game-targeted simple behaviors to more diverse PSBPs. Based upon goal theory, self-perception theory, and learning theory, the paper then examines the underlying mediating mechanisms of the positive relationship between GPEBs and PSBPs for subsamples of players and nonplayers respectively. The results demonstrate that individual awareness of problem and self-efficacy could be enhanced through engaging in simple GPEBs, which could spill over to more challenging and "costly" PSBPs, including charitable giving and volunteering for pro-environmental causes. The study provides important insights on helping to encourage specific types of more challenging PSBPs not directly targeted by the game.

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BACKGROUND AND OBJECTIVES: Prosociality refers to voluntary behaviors that intend to benefit others. Most of the existing literature suggests that older adults tend to act more prosocially compared to younger adults, whereas some studies show that older adults might not be that prosocial under certain conditions. The current study aimed to summarize the mixed findings and quantify the age difference in prosociality by conducting a qualitative systematic review and a quantitative meta-analysis. RESEARCH DESIGN AND METHODS: Literature search was conducted based on 5 databases. The Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines were followed and this review was registered at PROSPERO (CRD42022333373). RESULTS: Based on the qualitative synthesis of 51 studies, older adults (n = 109,911) were more prosocial than younger adults (n = 68,501). The meta-analysis of 46 studies further supported this age effect (Hedges' g = 0.31, 95% confidence interval [0.24, 0.37]), and this age effect might be moderated by the types of prosociality. We discovered a moderate age effect in sharing (Hedges' g = 0.53), but a nonsignificant age effect in helping (Hedges' g = 0.11), comforting (Hedges' g = -0.20), or mixed prosociality (Hedges' g = 0.15). Additionally, the age effect was only significant when older adults had higher socioeconomic status than younger adults. DISCUSSION AND IMPLICATIONS: Future research should develop more comprehensive measures of prosociality, examine more variables that influence aging and prosociality, and investigate the neural mechanism(s) of prosociality to achieve a thorough understanding of the age difference in prosociality.

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Numerous studies have examined the relationship between social support and prosocial behavior and have concluded that social support is an important factor in generating prosocial behavior. However, different studies have produced different conclusions, and the moderating effect on the relationship is not entirely clear. The current study uses a three-level meta-analysis method to clarify the relationship between social support and prosocial behavior, and explores the moderating variables that affect the relationship between the two variables. Through a systematic literature search, a total of 92 studies, 418 effect sizes, and 74,378 participants were obtained. The main effects test found a significant positive correlation between social support and prosocial behavior. Tests of the moderating effects indicated that the relationship between social support and prosocial behavior was moderated by year of publication, source of social support, measurement of social support and measurement of prosocial behavior. In summary, social support plays an important role in prosocial behavior, and exploring their relationship is beneficial to families, schools and society in guiding individuals' prosocial behavior.