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Adolescents' bystander defending behavior in cyberbullying contributes to reducing the harm done to cyberbullying victims. This study examined the relationships and underlying mechanisms of parental warmth, friendship quality, empathy and bystander defending behavior in cyberbullying among 848 Chinese adolescents (43.986% girls, mean age = 14.960 years old [SD = 1.398]). The results showed that parental warmth, friendship quality and empathy were all positively correlated with bystander defending behavior in cyberbullying among adolescents. Both friendship quality and empathy played a mediating role between parental warmth and bystander defending behavior in cyberbullying, indicating that parental warmth was associated with increased bystander defending behavior through higher levels of friendship quality and empathy, respectively. Friendship quality and empathy also played a chain mediating role between these two, indicating that parental warmth was linked to increased bystander defending behavior by first associating with higher level of friendship quality and subsequently with greater empathy. These results suggest that high degrees of parental warmth, friendship quality and empathy may all increase the likelihood of bystander defending behavior in cyberbullying among adolescents. This study provides practical implications for improving adolescent bystander defending behavior in cyberbullying.

Adolescent residential mobility can be a stressful life event, potentially aggravating internalizing or externalizing problems. However, the longitudinal effects of residential mobility are understudied and may be context-dependent. This study investigates the longitudinal associations between adolescent residential mobility and internalizing and externalizing problems. Additionally, this study examines for whom residential moves are most detrimental by including subjective moving experience, gender, and friendship quality before the move as moderators. Longitudinal data from 2,029 adolescents (51% female) from the TRacking Adolescents' Individual Lives Survey (TRAILS) were used (M age [SD] at T1 = 11.1 [0.55], T2 = 13.6 [0.52], and T3 = 16.3 [0.70]). Results from stepwise multi-level random-effect models showed that adolescents who experienced an unpleasant move remained stable in internalizing problems, while others decreased over time. Adolescents who moved increased stronger in externalizing problems than adolescents who did not move, independent of whether they experienced the move as unpleasant. Gender and friendship quality before the move did not moderate the relation between residential mobility and internalizing or externalizing problem development. These results emphasize that residential moves in adolescence, especially when experienced as unpleasant, can have long-lasting negative effects on adolescent development., (© 2024. The Author(s).)

Introduction: Co-rumination is an interpersonal emotion regulation strategy in which negative feelings and problems are discussed perseveratively with another person. Although co-rumination is salient in adolescence, research to date has focused on co-rumination occurring in person and has not kept pace with the surge in digital communication that begins in adolescence. This study examined the degree, associations among, and consequences (i.e., depressive symptoms, and friendship quality) of adolescents' co-rumination via in-person, text, social media, and phone modalities., Methods: Adolescents (n = 109; 51 girls, 57 boys, 1 nonbinary; M age  = 12.83 years) residing in Canada, completed self-report questionnaires on co-rumination, depressive symptoms, and friendship quality for up to 2 years., Results: Adolescents engaged in co-rumination across all modalities, particularly in-person. Findings indicated a negative association between in-person co-rumination at baseline and in-person co-rumination over time. Whereas less text co-rumination was associated with increased depressive symptoms over time, greater phone co-rumination was associated with increased depressive symptoms over time. Although greater in-person co-rumination was positively associated with friendship quality concurrently, it was negatively associated with friendship quality prospectively., Conclusions: Taken together, co-rumination outcomes may vary depending on communication modality. Implications for adolescents' mental and social wellbeing are discussed., (© 2024 The Authors. Journal of Adolescence published by Wiley Periodicals LLC on behalf of Foundation for Professionals in Services to Adolescents.)

Background: Rural left-behind adolescents are more vulnerable to Internet addiction and depressive and anxious symptoms due to the lack of family support and parental supervision. This study was the first to investigate the longitudinal relationships between Internet addiction and depressive and anxious symptoms and to examine the mediating roles of resilience and friendship quality in rural left-behind adolescents., Methods: Included in this study, which was from a longitudinal study conducted five times over 2 years, were 1001 rural left-behind adolescents. The internationally used scales for depressive and anxious symptoms, Internet addiction, resilience and friendship quality were administered. A structural equation model was used for analysis., Results: The prevalence of Internet addiction, depressive and anxious symptoms among rural left-behind adolescents were 17.7%, 35.8% and 27.6%, respectively. Internet addiction predicted the later depressive and anxious symptoms (β = 0.200, 95% confidence interval [CI]: 0.116-0.274 and β = 0.263, 95% CI: 0.188-0.330). Resilience acted as an independent mediator in the relationships between Internet addiction and depressive and anxious symptoms (β = 0.037 and 0.034, P < 0.01). Resilience and friendship quality played a chain-mediating role on the longitudinal relationships between Internet addiction and depressive and anxious symptoms (β = 0.011 and 0.010, P < 0.001). The mediating effects accounted for 24.0% and 16.7% of the total effects, respectively., Conclusion: Resilience and friendship quality play an independent or chain-mediating role in longitudinal relationships between Internet addiction and depressive and anxious symptoms. The findings inform targeted intervention strategies to improve the mental health of left-behind adolescents., (© 2023 John Wiley & Sons Ltd.)

Introduction: The mechanism underlying the positive longitudinal link between adolescents' friendship quality and their well-being is unclear. The present study was performed to investigate whether this longitudinal association between friendship quality and well-being was established via adolescents' global self-esteem, and to examine gender differences in these associations., Methods: Online questionnaire data were collected in two waves (in Spring 2018 and Spring 2019) from 1298 Dutch adolescents aged 11-17 years (mean age 13.7 ± 1.1 years, 53.2% girls)., Results: Multigroup path analyses revealed a significant indirect effect between friendship quality and well-being over time via global self-esteem for girls. For boys, significant direct effects of friendship quality on global self-esteem and well-being were found, but no significant indirect effect., Conclusions: The findings indicate that higher-quality friendships improve boys' global self-esteem and well-being directly, and that they affect girls' well-being indirectly and positively, by improving their global self-esteem. These results suggest that preventive and intervention-based strategies for the promotion of well-being during the developmental stage of adolescence should incorporate focus on friendships, global self-esteem, and gender specificities., (© 2023 The Authors. Journal of Adolescence published by Wiley Periodicals LLC on behalf of Foundation for Professionals in Services to Adolescents.)

Introduction: Expressive flexibility, or the ability to both up- and down-regulate emotional expressions in social interactions, is thought as an indicator and a consequence of healthy interpersonal relationships. The present longitudinal study examined bidirectional associations between expressive flexibility and friendship quality in early adolescence. Since prior research found inconsistent results regarding the adaptiveness of expressive flexibility, which indicated the necessity to consider individual variability in the process, we further tested the potential moderating effect of social anxiety in the links from expressive flexibility to friendship quality., Methods: Participants from two junior high schools in eastern China (N = 274; 50.4% female; M age  = 13.56) were surveyed at three time points with 6-month intervals. Expressive flexibility, friendship quality, and social anxiety were all assessed via self-reported scales., Results: According to the cross-lagged model results, friendship quality significantly predicted increased expressive flexibility over time. Conversely, the longitudinal association from expressive flexibility to friendship quality was not significant, but the interaction between expressive flexibility and social anxiety significantly predicted later friendship quality. Further analyses via the Johnson-Neyman technique revealed that expressive flexibility only positively predicted friendship quality for adolescents with lower levels of social anxiety., Conclusion: Our results suggest that expressive flexibility is not always socially adaptive, so practical interventions that aim to improve youths' social adjustment via expressive flexibility training might need to consider the role of individual characteristics., (© 2022 The Foundation for Professionals in Services for Adolescents.)

In the current information age, SNSs (Social Network Sites) have been popular among young adolescents, and have also become a main manner to maintain social relationships. Against this background, based on relevant evidence, the present study aimed to examine the association between positive self-disclosure on SNSs and adolescents' friendship quality, as well as the underlying mechanism-the potential mediating role of perceived positive feedback and the moderating role of social anxiety. A sample of 1713 adolescents aged 11 to 19 was recruited to participate in this study, to complete a set of scales. Results indicated that positive self-disclosure on SNSs was positively associated with adolescents' friendship quality, and positive feedback significantly mediated the association between self-disclosure positivity and friendship quality. This mediating effect, moderated by social anxiety, could significantly moderate the mediating effect of positive feedback; specifically, compared with higher social anxiety adolescents, the association between positive self-disclosure and positive feedback was stronger among individuals with lower social anxiety. These findings may expand previous studies, with several theoretical and practical implications.

Background: Mother-child cohesion and friendship quality have been shown to be protective factors against the development of children's depressive symptoms. However, the possible direct and indirect pathways from these two important interpersonal relationships to children's depressive symptoms need to be further elucidated. Moreover, these associations have not been examined from a developmental perspective. Therefore, this study examined the direct and indirect relations among developmental trajectories of mother-child cohesion, friendship quality, and depressive symptoms in children., Methods: A total of 4078 Chinese children (45.2 % girls, M age  = 9.90 years, SD = 0.73) participated in assessments at five time points across 2.5 years, employing six-month intervals. Latent growth curve modeling was conducted to examine the direct and indirect relations among the developmental trajectories of mother-child cohesion, friendship quality, and depressive symptoms., Results: The developmental trajectories of both mother-child cohesion and friendship quality were negatively and directly associated with the developmental trajectory of children's depressive symptoms. The developmental trajectory of friendship quality was indirectly associated with the developmental trajectory of depressive symptoms through the mediating role of mother-child cohesion., Limitations: This study did not investigate father-child cohesion and other important psychological mechanisms linking interpersonal relationships to depressive symptoms., Conclusions: The findings documented the direct and indirect relations among mother-child cohesion, friendship quality, and depressive symptoms from a developmental perspective, which suggested that prevention and intervention efforts target improving mother-child cohesion and friendship quality to reduce children's depressive symptoms., Competing Interests: Declaration of competing interest None., (Copyright © 2022 Elsevier B.V. All rights reserved.)

Background: High-quality friendships have a positive impact on the mental health of young people with childhood adversity (CA). Social stress buffering, the phenomenon of a social partner attenuating acute stress responses, is a potential yet unexplored mechanism that may underlie this relationship. Objective: This study examined whether perceived friendship quality was related to better mental health and lower neural stress response in young people with CA. Method: A total of N  = 102 young people (aged 16-26) with low to moderate CA were included in the study. We first investigated associations between friendship quality, mental health, and CA. In a representative subset ( n  = 62), we assessed neural stress responses using the Montreal Imaging Stress Task. In our sample, CA was best described along two dimensions resembling threat or deprivation like experiences. Hence, we investigated both cumulative and dimensional effects of CA. Results: We found no support for social thinning after CA, meaning that the severity of CA (cumulative or dimensional) did not differentially impact friendship quality. High-quality friendships, on the other hand, were strongly associated with better mental health. Furthermore, acute stress increased state anxiety and enhanced neural activity in five frontolimbic brain regions, including the left hippocampus. We found weak support that threat experiences interacted with friendship quality to predict left hippocampal reactivity to stress. However, this effect did not survive multiple comparison correction. Conclusion: The absence of social thinning in our sample may suggest that the risk of developing impoverished social networks is low for rather well-functioning young people with low to moderate CA. Regardless, our findings align with prior research, consistently showing a strong association between high-quality friendships and better mental health in young people with CA. Future research is needed to examine whether friendships aid neural stress responses in young people with childhood threat experiences.

Background: Social integration with friends has an important role in shaping adolescents' behavior and determining their wellbeing. Friendship features such as companionship, trust, closeness, intimacy, and conflicts all form the concept of friendship quality. The quality of friendships can either enhance or impede mental development during adolescence. Therefore, this systematic review was conducted to understand the association between friendship quality and adolescents' mental wellbeing., Methods: In November 2020 and later in August 2022, the search for evidence was conducted on five databases (Medline, Embase, ProQuest, Scopus, and PsycINFO). Only peer-reviewed quantitative studies published from January 2000 to August 2022 that investigated friendship quality as their exposure variable in relation to six constructs of subjective wellbeing (mood, loneliness, life satisfaction, happiness, self-esteem, and subjective wellbeing) were included. After screening for eligibility, two reviewers independently extracted the data based on population characteristics, study design, exposure and outcome variables, outcome measures used, and results. Risk of bias assessment was performed utilizing the NIH Quality Assessment Tool. Narrative evidence synthesis was performed based on the constructs of subjective wellbeing., Results: Forty-three articles out of 21,585 records were included in the review. The relationship between friendship quality and depression has been investigated extensively in the literature and negative (beneficial) associations were found in eighteen studies out of twenty-three. Poor peer relationship was associated with loneliness in nine studies out of ten. All seven studies on life satisfaction and quality of peer connection found a positive association. In five studies, better peer relationship was found to be associated with happiness. A positive association between friendship quality and self-esteem was observed in five out of six applicable studies. Friendship quality was found to be positively associated with subjective well-being in all of five included studies., Conclusions: Although majority of the included studies were cross-sectional in nature, this review demonstrates the paramount value of promoting healthy friendship to adolescents' subjective wellbeing constructs. Interventions that aim to promote subjective wellbeing among adolescents should consider the development and maintenance of healthy friendships., Systematic Review Registration: PROSPERO CRD42020219312., (© 2022. The Author(s).)

This study examined the roles of grandparent-child cohesion and friendship quality in left-behind children's positive and negative affect compared with non-left-behind children. Data from 557 participants indicated that grandparent-child cohesion and friendship quality predicted children's emotional adaptation. Friend trust and support and intimate exchange had a stronger predictive effect on positive affect among non-left-behind children. Moreover, the interaction effects between grandparent-child cohesion and friendship quality on children's positive affect supported the reinforcement model, while the interaction effects on negative affect supported the reinforcement model among left-behind children but supported the compensation model among non-left-behind children.

Previous research has revealed that parents' success-oriented response to children's performance promotes children's self-esteem, while failure-oriented response damages their self-esteem. However, the potential mediating mechanisms are unclear. Therefore, the present study investigated whether parent-child relationship and friendship quality mediated the relation between parents' response to children's performance and children's self-esteem. For this purpose, 859 children in Central China completed the Parents' Response to Children's Performance Scale, Buchanan Scale of Closeness to Parents (CPS), Friendship Quality Questionnaire (simplified version), and Self-Perception Profile tests. Structural equation modeling (SEM) revealed that: (1) parents' success-oriented response was positively associated with parent-child relationship, friendship quality, and children's self-esteem. Parents' failure-oriented response was negatively associated with parent-child relationship and children's self-esteem, but it was positively associated with friendship quality. (2) Parent-child relationship and friendship quality were identified as the serial mediators between parents' success- or failure-oriented response and children's self-esteem. These findings suggest that parents' failure-oriented response should be reduced and parents' success-oriented response should be increased to develop children's self-esteem and establish a sound social network system for children.

Introduction: Mental health problems have become a global crisis of the 21st century, with adolescence being a typical period of the outbreak of these problems. However, the profiles and transition of mental health problems in Chinese adolescents remain unclear. In addition, protective and risk factors that shape mental health problems require further clarification., Methods: We measured depression, anxiety, and stress as indicators to identify the profiles and transition patterns of mental health problems among Chinese adolescents, as well as environment-related predictors (i.e., friendship quality, parental psychological control, and autonomy support). A total of 722 participants (376 females; M age  = 15.21, SD age  = 0.74) completed a set of questionnaires at two time points with a 1-year interval (T1: November 2018; T2: November 2019)., Results: The profile analysis revealed two groups: healthy and troubled. The development of mental health problems included four trajectories: steady low, steady high, increasing, and decreasing. Results indicated that parental autonomy support and friendship quality exerted protective and buffering effects, whereas parental psychological control acted as a risk factor for mental health problem profiles. Furthermore, friendship quality had a unique predictive effect on the decreasing trajectory., Conclusions: The profiles of mental health problems showed high concurrency of depression, anxiety, and stress symptoms, and developmental trajectories were largely stable over time. Friendship quality, parental autonomy support, and psychological control predicted the profiles of the mental health problems of Chinese adolescents, and only friendship quality predicted the transition from a troubled to healthy profile over 1 year., (© 2022 The Foundation for Professionals in Services for Adolescents.)

Most existing research assumes "phone use during face-to-face interactions" to be psychosocially detrimental. Drawing on the digital social multitasking framework, this study explored not only the negative but also positive implications of the behavior. A sample of 517 adolescents (M age  = 14.83, S.D. = 1.93; 50% female) recruited through the Qualtrics panel completed an online survey. Results showed that adolescents' and their friend's digital social multitasking were both associated with (1) greater perceived efficiency, which, in turn, was associated with competence need satisfaction, and (2) greater perceived connection, which, in turn, was associated with better friendship quality, autonomy need satisfaction, and relatedness need satisfaction. Adolescents' own multitasking also had an indirect, negative relationship with friendship quality through perceived distraction, but friend's multitasking did not compromise friendship quality. The study provides a more balanced picture, showing that despite the potential harm of digital social multitasking, adolescents' phone use during face-to-face peer interactions also involves potential benefits for teens' psychosocial well-being., (© 2021. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.)

We tested whether adolescents differ from each other in the structural development of the social brain and whether individual differences in social brain development predicted variability in friendship quality development. Adolescents (N = 299, Mage T1 = 13.98 years) were followed across three biannual waves. We analysed self-reported friendship quality with the best friend at T1 and T3, and bilateral measures of surface area and cortical thickness of the medial prefrontal cortex (mPFC), posterior superior temporal sulcus (pSTS), temporoparietal junction (TPJ) and precuneus across all waves. At the group level, growth curve models confirmed non-linear decreases of surface area and cortical thickness in social brain regions. We identified substantial individual differences in levels and change rates of social brain regions, especially for surface area of the mPFC, pSTS and TPJ. Change rates of cortical thickness varied less between persons. Higher levels of mPFC surface area and cortical thickness predicted stronger increases in friendship quality over time. Moreover, faster cortical thinning of mPFC surface area predicted a stronger increase in friendship quality. Higher levels of TPJ cortical thickness predicted lower friendship quality. Together, our results indicate heterogeneity in social brain development and how this variability uniquely predicts friendship quality development., (© The Author(s) 2020. Published by Oxford University Press.)

Background: Loneliness is common among left-behind adolescents and can affect their friendship quality both negatively and positively. Most studies have focused on the negative effect of loneliness on friendship. However, loneliness may also motivate adolescents to seek close connections with peers through certain ways, that is, loneliness may indirectly positively influence friendship quality, which has not been explored. To address this gap, based on the life history theory and the interpersonal function model of non-suicidal injury (NSSI), this study aimed to examine the positive impact of loneliness on friendship quality via NSSI among left-behind adolescents. Moreover, given that NSSI is a severe health concern that should be prevented, the protective role of parent-child cohesion was also examined., Methods: A two-wave dataset was used. Participants comprised 1,013 adolescents (539 left-behind and 474 non-left-behind adolescents) completed self-report surveys that addressed loneliness, NSSI, friendship quality, and parent-child cohesion., Results: For left-behind adolescents, loneliness could affect friendship quality not only negatively but also positively through NSSI; increased loneliness predicted more NSSI which, in turn, was associated with high friendship quality. Moreover, the moderating effect of parent-child cohesion was significant. For non-left-behind adolescents, neither the direct nor the indirect positive effect through NSSI between loneliness and friendship quality was found., Limitations: All measures were based on self-reports. Cohesions with caregivers were not included., Conclusions: Findings advance our understanding of the relationships between loneliness, NSSI, and friendship quality among left-behind adolescents. They provide important implications for future interventions by addressing the role of high parent-child cohesion., Competing Interests: Declarations of Competing Interest None., (Copyright © 2020. Published by Elsevier B.V.)

Accurately perceiving others' personalities helps people to successfully navigate their social relationships. However, it is not yet clear whether people can accurately perceive one aspect of people's personalities that may be especially important to understand: motivations. Using the fundamental social motives framework, we examined the extent to which people accurately perceived a friend's motivations (vs. big five traits) and how this was related to friendship quality. A sample of friend dyads completed both self- and friend-assessments of the big five traits and the fundamental motives, and rated friendship quality. Perceivers accurately detected their friend's unique, self-reported ordering of motives (i.e., distinctive accuracy), though to a lesser extent than traits. However, accuracy for motives and traits was positively associated with greater friendship quality to a similar extent. Importantly, these associations emerged above and beyond tendencies to view others highly normatively, as socially desirable, and as similar to the self.

Introduction: Using a prospective longitudinal design across six years, the current study investigated whether adolescents' experiences of peer rejection across middle school increased their risk of maladaptive (aggressive and unsupportive) behaviors in high school romantic relationships. Additionally, friendship quality following the transition to high school was examined as a potential protective factor., Methods: The sample consisted of 1,987 ethnically diverse youth (54% female; M age  = 17.10) who were romantically involved at eleventh grade. Peer rejection (based on peer nominations) was assessed at four time points across three years in middle school. Students reported on their friendship quality in ninth grade and their aggressive (e.g., shouting; hitting) and supportive (e.g., listening; helping) behaviors towards a romantic partner in eleventh grade., Results: Results demonstrated that adolescents who were increasingly rejected by peers during middle school were more likely to behave aggressively towards their romantic partners in high school. Friendship quality at the beginning of high school moderated prospective links from rejection to support, such that escalating middle school peer rejection predicted less supportive romantic behaviors only among youth with low-quality friendships at ninth grade. These patterns were documented over and above the effects of sex, ethnicity, socioeconomic status, and students' aggressive behavior at the beginning of middle school., Conclusions: Together, the findings suggest that 1) increasing peer rejection during middle school may spiral into later romantic relationship dysfunction and 2) supportive friendships across a critical school transition can interrupt links between peer and romantic problems., (Copyright © 2019 The Foundation for Professionals in Services for Adolescents. Published by Elsevier Ltd. All rights reserved.)

Previous research has shown that friendships buffer against loneliness, but some children remain lonely despite having best friends. The current study examines relationships between loneliness and Friendship Functions, expectations, and responses to friendship transgressions in children with best friends (8-11 years; N = 177). Children completed questionnaires that measured loneliness, fulfilment of Friendship Functions, Friendship Expectations, and the Transgressions of Friendship Expectations Questionnaire (MacEvoy & Asher, Child Development, 83, 2012, 104). Findings in the current study showed that loneliness was associated with lower Friendship Expectations and higher reliable alliance in existing best friendships. Loneliness was also associated with lower sadness and lower perceptions of feeling controlled and devalued by their friend when they transgress. Thus, children with best friends experiencing high loneliness may be more permissiveness of friendship transgressions and may need support to ensure that they do not allow their friends to be unfair to them. Statement of contribution What is already known on the subject? Friendships buffer children from loneliness, but some remain lonely despite having friends. Loneliness has been associated with poor-quality friendships. But there is no examination of why children remain lonely when they have friends. What the present study adds? Lonely children overemphasize friendship qualities that help to maintain the relationship. Loneliness was linked to expectations of being friends with less popular and well-liked peers. Lonely children placed less blame on their friends when they violated Friendship Expectations., (© 2019 The British Psychological Society.)

We assessed 3rd-5th grade children's endorsement of 12 friendship expectations, in two mental age-matched (M = 10.15 years) groups; one with autism spectrum disorder (ASD; n = 20) and one with typical development (TD; n = 21). Groups rated friendship expectations similarly for all but one expectation, expressing care, which received significantly higher ratings in the ASD group. Overall expectation ratings were significantly and positively correlated with friendship quality in the ASD group (r = 0.43), but not the TD, group (r = 0.08). Expectations were not correlated with loneliness or self-worth in either group. In children with ASD, expectations pertaining to reliability/trust, kindness/caring, and help/reciprocity were rated highest, followed by togetherness/amusement, and finally by intimacy/disclosure.

Youth with disruptive behavior disorders (DBD; Oppositional defiant disorder and/or conduct disorder) are known to show impaired social relationships. Little is known about positive (PFQ) and negative best friendship quality (NFQ) in youth with DBD, and their relations with DBD specific symptoms such as aggression subtypes, empathic abilities, and callous unemotional (CU)-traits. The current study includes N = 115 youth with and N = 146 without DBD (M age  = 13.98, SD = 2.2). A diagnostic interview and self-rating questionnaires assessed ODD/CD diagnosis, friendship quality, aggression, empathy, and CU-traits. When examined on a categorical level, youth with and without DBD did not differ in friendship quality. On a dimensional level across groups, perspective taking was positively associated with PFQ. Proactive aggression was positively associated with NFQ. CU-traits in females were positively, while CU-traits in males were negatively, associated with NFQ. Results highlight that behavioral and cognitive symptoms, rather than clinical categories, are important to consider when discussing friendship qualities.

Background: Autism spectrum disorder (ASD) is a lifelong developmental disability characterized by deficits in social communication and social interaction across multiple contexts. Existing literature on social relationships and well-being among adolescents with ASD in Asian countries is scant., Aims: This study compared the perceptions of adolescents with ASD with those of their neurotypical peers toward their friendship quality, activity participation, and emotional well-being, and examined the relationships between friendship quality, activity participation, and emotional well-being., Methods: The study participants-101 adolescents with ASD and 101 neurotypical peers, aged 10-19 years-completed the following self-administered questionnaires: the Friendship Quality Questionnaire, the Child and Adolescent Scale of Participation, the Beck Anxiety Inventory, and the short-form UCLA loneliness scale., Results: Adolescents with ASD reported lower friendship quality, lower school participation, and higher levels of anxiety and loneliness compared to their neurotypical peers. Loneliness correlated negatively with friendship quality and school participation and positively with anxiety. Adolescents with ASD experienced increased levels of anxiety when low friendship quality was accompanied by greater loneliness., Conclusions and Significance: These findings reveal that friendship quality, school participation, and loneliness have a considerable effect on the emotional well-being of adolescents with ASD, thus indicating the need for therapeutic interventions that address interpersonal relationships and emotional well-being.

Children's friendships are important for well-being and school adjustment, but few studies have examined multiple indices of friendships together in middle childhood. The current study surveyed 7- to 11-year-olds (n = 314) about their friendships, best friendships, friendship quality and indices of self-worth, identification with peers, and identification with school. Peer relationships were positively related to self-worth, but not identification with peers or school. Best friendship quality moderated the relationship between number of reciprocated friendship nominations and self-worth. Children with a reciprocated best friend had higher friendship quality and peer identification than others. Where best friendship was reciprocated, the relationship with identification with peers was mediated via positive friendship quality. The results suggest that friendship reciprocity is particularly relevant for children's self-worth and identification with peers. The findings are discussed in relation to the importance of fostering the development of reciprocated friendships. Statement of contribution What is already known on this subject? Friendships are related to well-being, school relations, and how young people feel about their peers at school. Friendship quality may be important in moderating the relationship between peer relations and adjustment. What does this study add? Various aspects of friendships are studied simultaneously with younger children than much previous research. Reciprocated best friendships were better quality than partial or non-reciprocated best friendships. Friendship reciprocity was most relevant for children's self-worth and peer identification., (© 2018 The Authors. British Journal of Developmental Psychology published by John Wiley & Sons Ltd on behalf of British Psychological Society.)

Girls are more likely to engage in rumination, associated with the development of mental health problems, as well as report higher levels of friendship quality, hypothesized to protect against these disorders. The current study examined whether co-rumination may drive simultaneous increases in rumination and changes in friendship quality among adolescents. The project included 360 participants (43% boys), ages 9.8 to 15.8 years, and analyses revealed that co-rumination mediated the link between female sex and both rumination and negative friendship quality. There was also a bidirectional relation between co-rumination and positive friendship quality. These findings highlight several pathways by which co-rumination mediates the relation between sex and both maladaptive (i.e. rumination, negative friendship quality) and adaptive (i.e. positive friendship quality) outcomes.

Cross-ethnic friendships are linked to a range of positive outcomes in adolescence, but have been shown to be lower quality and less stable than same-ethnic friendships. The current study examined how classroom diversity and out-of-school contact contribute to these relational differences between cross-and same-ethnic friendships. Multilevel analyses were conducted on a sample of 9,171 classroom-based friends nested within 4,333 ethnically diverse sixth grade students (54% female; 32% Latino, 20% White, 14% East/Southeast Asian, 12% African American, 14% Multiethnic, 8% Other ethnic). Consistent with the hypotheses, lower ethnic diversity in classes shared by friends and lack of home contact (as opposed to electronic) contributed to relational differences between cross- and same-ethnic friendships. The findings suggest that while diverse classrooms enable youth to bond across ethnic groups, connecting outside of school is critical for the relational quality and longevity of cross-ethnic friendships.

Individuals have been found to "project" their own substance use onto perceptions of their friends' substance use. This study explores whether companionship and conflict relate to incorrect perceptions of a friend's heavy alcohol and marijuana use after controlling for the behavior of the respondent and friend. Mixed models demonstrate that having higher levels of companionship, but not conflict, with a friend result in significantly higher perceptual levels of the friend's heavy alcohol and marijuana use. While beneficial for the friendship, higher levels of companionship may result in a person overestimating the heavy alcohol and marijuana use of a friend.

Co-rumination has been shown advantageous for friendship quality, but disadvantageous for mental health. Recently, two components have been distinguished, with co-brooding predicting increases in depressive symptoms and co-reflection decreases. The current study aimed to replicate these findings and investigated whether both components also show differential relations with friendship quality. Gender was investigated as a moderator. Path analyses were used on data of 313 adolescents aged 9-17 (50.5% girls). Co-brooding was related to more concurrent and prospective depressive symptoms in girls. Co-reflection predicted less concurrent and prospective depressive symptoms in girls and higher concurrent positive friendship quality for boys and girls. This study underscores the value of studying co-rumination components and suggests that boys and girls in this context differ in their pathways towards depression.

Dampening and enhancing responses to positive affect have been linked to depressive symptoms. The main aim of the present study was to examine such responses in an interpersonal peer context and to examine their relation with depressive symptoms. A community sample of 665 seventh-graders (52.0% girls, Mage = 12.7 years) took part in the study. Using a newly developed questionnaire, the Co-Dampening and Co-Enhancing Questionnaire (CoDEQ), a two-factor model distinguishing co-dampening and co-enhancing was validated. Relations with general depressive symptoms, anhedonic symptoms, and friendship quality were investigated. The direction of relations was examined over a 1-year interval using cross-lagged analyses. Cross-sectional results revealed that higher levels of co-dampening and lower levels of co-enhancing were associated with more depressive and anhedonic symptoms, while controlling for co-rumination levels. For anhedonic symptoms, this pattern also held over and above intrapersonal dampening and enhancing. Friendship quality was related to higher concurrent levels of co-enhancing and lower levels of co-dampening. The longitudinal results pointed towards a scar model, in that both depressive and anhedonic symptoms predicted relative increases in co-dampening over time; however, this did not hold in a model in which dampening and enhancing were included as control variables.

Social media holds promise as a technology to facilitate social engagement, but may displace offline social activities. Adolescents with ASD are well suited to capitalize on the unique features of social media, which requires less decoding of complex social information. In this cross-sectional study, we assessed social media use, anxiety and friendship quality in 44 adolescents with ASD, and 56 clinical comparison controls. Social media use was significantly associated with high friendship quality in adolescents with ASD, which was moderated by the adolescents' anxiety levels. No associations were founds between social media use, anxiety and friendship quality in the controls. Social media may be a way for adolescents with ASD without significant anxiety to improve the quality of their friendships.

High functioning adolescents with Autism Spectrum Disorder (ASD) often have adjustment difficulties, specifically loneliness and depression. To better understand contributing factors, the current study evaluated associations between several Executive Function (EF) domains, social impairment, and friendship quality on depressive symptoms and loneliness in this population. Participants included 127 high functioning ASD adolescents and a parent/caregiver. Results indicated significant levels of parent-reported EF impairment which were positively correlated with increased levels of loneliness and depressive symptoms. Social impairment was identified as a significant mediator between all studied EF domains and adjustment, while friendship quality only partially mediated the relation between emotional control and loneliness. These results have implications for treatments focusing both on social skills and adjustment in adolescents with ASD.

The tendency to keep secrets in adolescents has been studied in particular in their relationships with their parents and associated with psychosocial disadvantages. The current study focused on peer relationships and investigated the effects of friendship quality, loneliness in a multidimensional perspective, and self-esteem on secrecy from friends. Italian adolescents (N = 457; 47% male; 100% white) aged between 13 and 19 years (M = 16.11; SD = 1.53) reported their secrecy from friends, peer and parent-related loneliness, aversion and affinity for aloneness, their self-esteem and the quality of their relationships with their friends. The results showed that peer-related loneliness, affinity for aloneness and self-esteem in particular affect keeping secrets from friends, independent of the participant's gender. Moreover, peer-related loneliness and affinity for aloneness mediated the relationship between self-esteem and secrecy. The data were discussed in the light of adolescence developmental tasks., (Copyright © 2017 The Foundation for Professionals in Services for Adolescents. Published by Elsevier Ltd. All rights reserved.)

Previous studies indicate that characteristics of social-based technologies (STs) stimulate the sharing of intimate information online, which in turn enhances the quality of friendships. In addition, intimate online self-disclosure has been positively associated with offline self-disclosure. One objective of the current study was to combine the literature and test a model which postulates that STs use stimulates online self-disclosure which facilitates offline self-disclosure and, thereby, enhances the quality of close friendships. A second objective of this study was to examine if the aforementioned model applies to two categories of STs, including socially interactive technologies (SITs; e.g., instant messaging) and socially passive technologies (SPTs; e.g., reading posts on social networking sites). An online survey was conducted with 212 young adults between 18 and 25 years of age. The proposed indirect positive effects of SITs and SPTs use on the quality of friendships were supported. The positive effect of SITs use on the quality of friendships was explained entirely by the young adults' disclosure of personal information when using SITs which facilitated intimate self-disclosure during face-to-face interactions. Although there was not a direct effect of SPTs use on the quality of friendships, SPTs use was positively related to SPTs self-disclosure, which had a positive effect on offline self-disclosure. The current study enhances our understanding regarding the positive effects associated with the use of STs among close friends and identifies the contribution of online self-disclosure for offline interactions.

We investigated characteristics of younger and older adults' friendships. Younger (N = 39) and older (N = 39) adults completed measures pertaining to a specific friend they had (i.e., contact frequency, positive friendship quality, and negative friendship quality) and their frequency of problems with friends in general. Older adults reported fewer problems with friends in general, and fewer negative friendship qualities, less frequent contact, and more positive friendship qualities with a specific friend than younger adults. Contact frequency, positive friendship quality, and negative friendship quality with a specific friend were related to frequency of problems with friends in general, but only contact frequency was a significant mediator of the relation between age and frequency of problems with friends in general. Results show that characteristics of a specific friendship relate to problems with friends in general, and that contact frequency with a specific friend mediates the relation between age and problems with friends in general. Implications are discussed., (© The Author(s) 2016.)

Co-rumination is associated with positive friendship quality (thought to buffer against anxiety and depression) but paradoxically higher levels of anxiety and depression. With the increasing use of technology for communication among adults, there is little known about co-rumination effects across different modalities of communication. In the current study, we examined co-rumination through four methods (i.e. in person, phone calls, text messaging, and social media) in two separate samples - college students and participants from the community. Classic co-rumination effects were found for in-person communications, and we found that co-rumination by telephone as well as by texting, for a college student sample only, mirrors some of these findings for in-person co-rumination. In studies of co-rumination, evaluation of multiple modes of communication is warranted.

This research investigated the mediator role of mindfulness on the relationship between friendship quality and subjective vitality. Participants were 273 university students (M age = 21 years, SD = 1.1) who completed a questionnaire package that included the Friendship Quality Scale, the Cognitive and Affective Mindfulness Scale, and the Subjective Vitality Scale. Both mindfulness and subjective vitality were correlated positively with friendship quality and subjective vitality was correlated positively with mindfulness. Mindfulness mediated the relationship between friendship quality and subjective vitality. Together, the findings illuminate the importance of friendship quality in psychological and cognitive adjustment., (© The Author(s) 2016.)

Bidirectional pathways between twin relationship quality and friendship quality were investigated in a large longitudinal twin cohort. We examined negative and positive relationship features in 313 monozygotic (MZ) twins and 238 same-sex dizygotic (DZ) twins from ages 13 to 14 years, using latent structural modeling. Results showed stronger stability of the twin relationship quality compared to friendship quality. Positive features in the sibling relationship were associated with increased positive features in the relationship with the best friend a year later. In contrast, no significant association between negative sibling relationship features and change in negative friendship quality features was found. These findings speak to the important role of the sibling relationship in the development of good quality friendship relations in twins.

There has been limited research exploring the similarity of perception of friendship quality between children with Autism Spectrum Disorder (ASD) and their friends. In this study, 45 children with ASD participated together with their friends. Two levels of friendship quality congruency were investigated: reciprocity and mutuality. A high proportion of the friendships were reciprocated for both the mixed and non-mixed friendship groups. Nevertheless, students with ASD reported substantial differences in perceptions of their friendship quality as compared to their nominated friends. The findings of the present study mirrored those of previous research with typically developing children. Further study is required to systematically investigate the differences in friendship quality perceptions within friendship dyads for both typically developing children and those with ASD diagnosis.

Background and Objective: Whilst shy, socially anxious or socially withdrawn children in nonclinical community samples report lower friendship quality (FQ) than nonanxious children, no study has examined the FQ of clinically anxious children. The aim of the study was to examine the FQ of children with anxiety disorders; and whether it differs for clinical children with or without a diagnosis of social phobia (SP)., Design: The study design was cross-sectional self-report., Methods: Clinical children - 39 anxiety-disordered children with SP and 28 anxiety-disordered children without SP (No-SP) - presented for psychological treatment, and 29 nonclinical children were recruited from the community. Same-sex close friends were invited to participate using an unrestricted nomination procedure. All children were aged between 7 and 13 years. Both target child and friend completed the Friendship Quality Questionnaire and the Spence Children's Anxiety Scale., Results: Using multilevel modeling within the framework of the Actor-Partner Interdependence Model, SP dyads were found to report lower overall FQ than No-SP dyads. SP dyads did not report lower overall FQ than nonclinical dyads., Conclusion: Children with SP in their diagnostic profile may be unique in their friendship experiences relative to children with other anxiety disorders.

This study examined (1) whether individuals' depressive symptoms are related to their own and their friends' perceptions of friendship discord and (2) whether similarity or complementarity of two friends' depressive symptoms are related to both individuals' perceptions of friendship discord. Young adult same-sex friends ( N = 209 pairs) completed self-report measures capturing their depressive symptoms and friendship discord. The Actor-Partner Interdependence Model (APIM) showed that individuals' depressive symptoms were associated with higher self-perceptions of friendship discord. In contrast, individuals' depressive symptoms were not significantly related to their friends' perceptions of friendship discord. Interestingly, results showed that friendship discord (perceived by both friends) was higher when a more depressive individual was paired with a less depressive friend. [ABSTRACT FROM AUTHOR]

This prospective study examines the relationship between aspects of the neighbourhood social environment and subsequent depressive symptoms in over 7,500 participants of the English Longitudinal Study of Ageing (ELSA). Neighbourhood social environment at baseline was operationalised using four items capturing social cohesion and three items capturing perceived safety and associations with the Center for Epidemiologic Studies Depression Scale (CES-D) at two-year follow-up were assessed. Friendship quality and personal sense of control were tested as mediators of this relationship using structural equation modelling. Neighbourhood social cohesion was found to be associated with reporting fewer depressive symptoms independent of demographic and socioeconomic factors and baseline depressive symptoms. Friendship quality and sense of control mediated this association. The study highlights that greater personal sense of control, higher quality friendships and fewer depressive symptoms are found in neighbourhoods seen to be characterised by higher social cohesion. [ABSTRACT FROM PUBLISHER]