The present study aimed to identify gender and age differences in motivation toward physical education (PE) and to explore the relationship between bullying roles, in PE and in the educational context in general, and motivation toward PE. A total of 1352 schoolchildren (49.7% girls) from 5th year of Compulsory Primary Education to 1st year of…

Student victimization by school staff members has important potential consequences for students' academic achievement and physical and psychological outcomes. Several studies have shown that such victimization exists in multiple contexts and there is considerable variation in prevalence among contexts. This study examined the prevalence of student…

The purpose of this study was to investigate the effects of the anonymity of the internet and gender differences in online trolling and cybervictimization. A sample of 151 college students attending a southeastern university completed a survey to assess their internet activities and online trolling and cybervictimization. Multivariate analyses of…

This dissertation includes three individual articles that explore the relationship between witnessing bullying and defending behavior among students who are bystanders of bullying. Chapter One provides the rationale and purpose of this dissertation and an overview of the three articles that comprise it. Chapter Two employed a cross-sectional…

Bullying and cyberbullying are prevalent among school-age children. A considerable number of adolescents experience different forms of bullying due to various reasons, such as their race and ethnicity. Previous research has examined the effect of ethnicity and race on school bullying and victimization, mostly in Western cultures. Iran is a country…

Scholars find that social dynamics in online environments help explain variation in cyberbullying victimization. The current study examines how students' in-person activities at school shape the odds of cyberbullying victimization. This focus is motivated by opportunity theory, which emphasizes that victimization can be shaped by involvement in…

The association between the quality of teacher-student relationships and children's psychological adjustment has been mainly studied in Western countries; however, this research topic is gaining more interest in Eastern countries. Based on attachment theory and empirical evidence, this cross-sectional study examined the relationship between…

This study examined whether students' bystander behaviours in peer victimisation were associated with individual (IMD) and classroom collective moral disengagement (CMD). Self-report survey data were analysed from 1577 Swedish students in fifth grade. Multilevel analyses revealed that, when witnessing peer victimisation, students more often sided…

The current study examined the role of moral disengagement in cyberbullying participant role behavior among college-aged individuals. Participants included 434 students who completed surveys measuring their participation in cyberbullying, including online bystander role behaviors, as well as their moral disengagement. Regression analysis results…

Adolescent behavior now occurs offline and online. Frequently studied and treated independently, the relationship between offline problem behaviors and online risk taking is not well understood. This study asked whether there are any problematic behaviors predictive of online risk taking by high school students. Using a 2009 dataset of 2,077 high…

Students with mental health difficulties are at increased risk for victimization, and this risk may be exacerbated during the transition to middle school, when there is an increase in bullying behaviors. Through a social-ecological lens, the present study investigated how internalizing and externalizing problems in the fall of fifth grade were…

We examined the moderating effect of gender on witnessing bullying, defending, and internalizing symptoms among sixth-grade students at one middle school in the northwestern United States. Results indicated that for females, witnessing bullying was positively associated with depressive symptoms and social anxiety, whereas for males, defending was…

We investigated (1) grade differences in perceived stigma-based peer victimization (SBPV); (2) differences in perceived student and teacher/staff defending against types of SBPV; and (3) whether defending against SBPV affected student subjective wellbeing (SSWB) via anti-victimization school climate perceptions. Participants were 1124 US…

This study examines whether bullies' gender conformity, pressure to conform to gender norms (felt pressure), and experiences of homophobic name-calling are associated with a tendency to bully gender conforming victims (GCV) and gender non-conforming victims (GNCV). Longitudinal changes were analyzed on all peer interactions in an entire 6th-grade…

Rates of Internet usage among Vietnamese students have been estimated to be high and consequently, risk for cyber-bullying and cyber-victimization also may be high. However, current research in this area is limited, with the two primary studies of cyber-bullying among Vietnamese students based on short questionnaires (three and four items) and…