The aim of the study was to explore same-sex and opposite-sex friendship functions among 12 to 13- and 16 to 17-year-old Hungarian adolescents (n = 304). To explore perceptions of friendship functions, the McGill Friendship Questionnaire (MFQ, 30 items, 6 factors: stimulating companionship, help, intimacy, reliable alliance, self-validation,…

While adolescence is a critical stage of development marked by heightened bottom-up emotional reactivity and immature top-down regulatory control, research on emotion regulation has relatively neglected middle childhood to adolescence years. This may be attributed to the limited number and scope of age-appropriate, reliable, and valid measures of…

Scholars have differentiated other-oriented (OO) purpose (i.e., a personally meaningful life aim intended to contribute to the world beyond the self) and self-oriented (SO) purpose (i.e., a personally meaningful life aim without intention to contribute beyond the self). OO purpose is associated with adolescent thriving, yet little is known about…

The present study compared 124 adolescents from special schools for students with emotional and behavioural disturbances (EBDs) and 133 regular schooled adolescents with regard to their perceived maternal behaviour. It was also tested longitudinally whether effects of maternal parenting behaviour on subsequent externalising behaviour vary as a…

The aim of the present study is to assess and document the experiences of schools, parents, adolescents, and, finally, adults with grade skipping in Germany to form recommendations for handling this type of acceleration. This article is based on three studies on grade skipping; two studies conducted in schools in Lower Saxony, Germany, spanned the…

The purpose of this study was to investigate whether a growth mindset intervention would improve adolescent special education students' self-efficacy and motivation. The sample included sixth, seventh, and eighth grade students receiving learning disability services in the area of reading. The study was quasi-experimental in design which included…

This study examines the effects of peer victimization by verbal, physical, and relational bullying on Korean adolescents' self-worth, disconnect to peers, school engagement, and academic achievement. A two-year longitudinal survey on 3,266 sixth-graders attending school in Seoul, Korea was used. Multivariate regression results controlling for…

The present study reports on a replication of the technical adequacy of the Student Subjective Wellbeing Questionnaire (SSWQ), which is a 16-item self-report instrument for assessing youth's academic efficacy, educational purpose, joy of learning, and school connectedness, with a sample of adolescents in Grades 6 to 7 (N = 438). Findings confirmed…

Overexcitabilities and perfectionism are often discussed within the context of gifted education, given that both are observed among gifted individuals. The present research (a) explored the relationships between overexcitabilities and dimensions of healthy and unhealthy perfectionism and (b) determined the extent to which overexcitabilities are…

This study reports on the initial development and validation of the Student Subjective Wellbeing Questionnaire (SSWQ) with a sample of 1,002 students in Grades 6-8. The SSWQ is a 16-item self-report instrument for assessing youths' subjective wellbeing at school, which is operationalized via 4 subscales measuring school connectedness, academic…

Smoking-related outcome expectation and self-efficacy have been found to be associated with adolescent smoking initiation. There is, however, a lack of appropriate instruments to investigate early adolescents' smoking outcome expectations and antismoking self-efficacy. The purpose of this study was to develop and validate the Smoking Outcome…

Childhood obesity and its repercussions will be one of the most serious public health challenges of the 21st century. Promoting physical activity and preventing the decline of children's fitness and the increase of childhood obesity, diabetes, and cardiovascular disease therefore need to be a high priority. So far, besides a few large-scale…

Students become increasingly disconnected from their schools across the middle school years, but little is known about the factors contributing to changes in school connectedness. This study examined the time-invariant and time-varying roles of depressive symptoms and externalizing problems in trajectories of student-perceived school connectedness…

Two functionally-indicated choice-making interventions were implemented by a classroom teacher to determine the effects on the percentage of task completion, accuracy, and classroom disruption for 9 sixth through eighth grade participants with emotional and behavioral disorders in a residential math classroom using a reversal design. Results…

The maladaptive personality and neuropsychological features of highly relationally aggressive females were examined in a group of 30 grade 6, 7, and 8 girls and group-matched controls. Employing a multistage cluster sampling procedure, a group of highly, yet almost exclusively, relationally aggressive females were identified and matched on a…