It has long been assumed that children and adolescents want to be with their peers and therefore make active efforts to engage with them. However, a sizable minority of youth avoid peers for internal reasons (e.g., anxiety, preferences for solitude) or because they are socially withdrawn. Although by definition, withdrawn youth tend to stay away from peers, they do interact and form relationships with peers. Yet most research assesses peers narrowly, focusing almost exclusively on youth who share the same gender and grade/school, leaving unanswered questions about which peers matter most. In this article, we highlight research findings that illustrate the very influential peer experiences of withdrawn children and adolescents, and we discuss emerging research on less frequently studied peers. By assessing peers more broadly, we contend, knowledge about the importance of peers to withdrawn youth will extend from same‐gender and same‐school contexts to the larger social milieus they inhabit.

Few studies have evaluated best friendship dissolutions and especially the circumstances surrounding the dissolutions. In this exploratory study of young adolescents (N = 273, Mage = 11.83 years; 51% boys), we investigate young adolescents' experiences with two types of best friendship dissolution (complete dissolutions, downgrade dissolutions) and two characteristics of such experiences: initiation status (self‐ versus friend‐initiation) and emotional reactions (degree of happiness, anger, sadness, and embarrassment). We also consider whether these characteristics of best friendship dissolutions are related to psychological difficulties (loneliness, depressive symptoms). Results indicated that most young adolescents perceive their friends initiated their recent complete and downgrade dissolutions. When young adolescents did initiate their complete dissolutions, however, they reported less negative (anger) and more positive (happiness) emotional responses. Initiation status was not related to psychological difficulties, but variability in several types of emotional responses (e.g., embarrassment) was related to variability in loneliness and depressive symptoms. Findings underscore the importance of considering not only the type of dissolution, but also the circumstances surrounding dissolutions, during early adolescence.

The present study examines within- and between-person associations between emerging adults’ daily time spent alone and their positive/negative affect during social interactions. We also consider whether motivations for seeking solitude (shyness, unsociability, avoidance) moderate these associations. Participants were 411 emerging adults (ages 18–26 years; 51% female; 52% ethnic minority) who reported on their motivations for solitude and completed daily reports of their time spent alone and positive/negative affect experienced during social interactions for 7 consecutive days. Among the results, multi-level modeling indicated that on days when emerging adults spent more time alone than usual, they experienced increased levels of high and low arousal positive affect when they interacted with others. Interactions between shy and avoidant motivations and change in time spent alone also emerged, with follow-up analyses indicating that for highly and moderately shy and avoidant emerging adults, days with more time spent alone than usual were associated with greater reports of anxious affect during social interactions. Findings suggest that although many emerging adults may find social interactions more enjoyable on days with increased time alone, those who actively seek solitude as an escape from perceived stressful or unpleasant social circumstances may not.

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