Overuse injuries are the most prevalent injuries in aesthetic sports, due to the repetitive nature of the training. Evidence of their relationship with growth, maturation, and training load is equivocal. The objective of this study was to investigate the effects of these factors on overuse injuries in dance and aesthetic sports. A database search…

Smartphone addiction adversely affects adolescent psychological wellbeing. However, little is known about the role of academic procrastination and school burnout in this relationship. The main objective of the current study was to examine the associations between smartphone addiction and psychological wellbeing, a multiple mediation analysis that…

Current theories of loneliness posit that biases in social information processing play a key role in the development and maintenance of loneliness. However, this assumption has rarely been tested in longitudinal research in adolescence. The current study concentrated on two constructs associated with such biases, that is, fear of negative…

The purpose of this research was to examine the associations between self-esteem, perceived social competence, ostracism and loneliness among adolescent students. For the investigation of self-esteem and perceived social competence as key developmental constructs concerning negative experiences such as ostracism and loneliness, it is important to…

The risk of delinquent to antisocial behaviors among youth (teenagers) seem to be more prevalent in group homes than other foster homes. The aim of this study was to examine the association between negative peer influence and youth antisocial behaviors in group homes. Participants were 875 youth aged 10 to 17 at baseline (2010-2011). Logistic…

The benefits of afterschool activity participation for youth development are well-documented. An interesting question dominating this field is whether there is a threshold at which point participating in too many activities (breadth) and spending too much time in those activities (intensity) is negatively associated with desirable outcomes. Using…

Although school climate plays an important role in the development of adolescent prosocial behaviors and problem behaviors, little is known about the mechanisms underlying school climate's impact on such behaviors, particularly in Chinese adolescents. This study used a multi-informant approach to investigate the mediating role of social-emotional…

We investigated whether daily experiences of conflict with family and peers were associated with fluctuations in diurnal cortisol, and whether sleep buffers the associations between conflict and diurnal cortisol. A racially diverse sample of 370 adolescents (ages 11-18; 57.3% female) provided daily diaries for 5 days and saliva samples for 4 days.…

Urban adolescents experience high rates of exposure to community violence, which is associated with sleep problems. However, less is known about the prospective relationships between community violence exposure and sleep problems across adolescence. This study investigated reciprocal relationships between community violence exposure and sleep…

In this study, we investigate how the accumulation of stressful life events and chronic stressors experienced in adolescence predict young adults' future self-identification (i.e., connectedness, vividness, and valence of the future self) in a sample of 1482 Swiss youth. Furthermore, we investigate future self-identification as a source of…

With the onset of the COVID-19 pandemic, outdoor spaces remained one of the few places for youth recreation. Outdoor recreation and sport have been associated with positive youth development (PYD) prior to the pandemic, so we sought to test these relationships during the pandemic, accounting for self-efficacy and demographic factors that may be…

Despite its implications for positive youth development, factors and processes that promote civic engagement are critically understudied, particularly among Muslim American adolescents for whom opportunities for civic engagement could be hindered by Islamophobia and hate crimes. Prior work has proposed that parents can strengthen adolescents'…

Empathy and executive functions (EFs) are multimodal constructs that enable individuals to cope with their environment. Both abilities develop throughout childhood and are known to contribute to social behavior and academic performance in young adolescents. Notably, mentalizing and EF activate shared frontotemporal brain areas, which in previous…

Cultural background can influence cognition, including executive functions (EFs), abilities that encompass skills responsible for self-regulation of thoughts and behavior. The seminal unity and diversity model of EFs proposes the existence, in adulthood, of at least three correlated but separable EF latent (shared variance in more than one…

Youth today spend a tremendous amount of time with digital media. The purpose of the present study was to estimate developmental associations between screen media use between the ages of 15 and 17 and corresponding changes in prosocial behavior. Participants (N = 1,509) were part of the Quebec Longitudinal Study of Child Development, a…