Bullying is a significant problem that has received a great amount of research attention, yet a basic definition of bullying has proven challenging for researchers to agree upon. Differences of definitions between academics and the public pose additional problems for the ongoing study and prevention of bullying. Qualitative methodologies may…

Young people identifying as Black, Latino/a/x, Hispanic, Asian, and other races and ethnicities that are minoritized and marginalized have constrained opportunities for positive development in the United States due to oppression grounded in white supremacy (NASEM, 2019). Importantly, youth of color engage in critical consciousness: interrogating…

Information and communication technologies (ICTs) have become commonplace in adolescents' lives, and they have grown in importance during the COVID-19 pandemic, when online communication became standard for many parts of life. This brings the need for developmental psychology to revise and update its theories for these new societal challenges. It…

Suicide is the second leading cause of death in adolescents (ages 12-19) in the United States, and more work is needed to shed light on the interpersonal protective factors associated with adolescent suicidality. To address this gap in the empirical literature, we examined the application of the Interpersonal Theory of Suicide (IPTS) to the middle…

Identity formation is a fundamental developmental process that has significant consequences for youth adjustment during adolescence and beyond. This article presents evidence indicating that ethnic-racial identity, specifically, is an important developmental competency on which prevention science should focus in the interest of promoting positive…

According to the triangular love theory, this study investigated the roles of three components of love (i.e., passion, intimacy, commitment) and the moderating role of conflicts in predicting different forms of sexting (i.e., experimental, nonconsensual, under pressure) in teen dating relationships. Participants were 409 adolescents (M[subscript…

If we want mathematics education to be valuable to everybody, including those who do not pursue mathematics-related careers, we need to use mathematics as a training ground for certain ways of thinking. This dissertation focuses on one aspect of mathematical thinking, namely theory building. It has three parts -- unpacking what constitutes theory…

This essay reflects on the challenges of facilitating a community program partnership with the Prince George's Memorial Library System. The program, "Community Justice," uses a public syllabus to introduce local teens to social justice concepts, theories, and methods. While issues of sustainability and retention are examined in this…

Adolescence is a period of heightened emotionality. If the adolescents cannot perceive, understand, regulate and function with their emotions it will leave indelible marks on their behaviour and personality. During adolescence (age 12 to 18 yrs), the transition from childhood to adulthood is most important. Children are becoming more independent,…

Researchers strategically assess youth mental health by soliciting reports from multiple informants. Typically, these informants (e.g., parents, teachers, youth themselves) vary in the social contexts where they observe youth. Decades of research reveal that the most common data conditions produced with this approach consist of discrepancies…

Background: Life history theory provides a unifying perspective on understanding human behaviors as adaptive strategies in response to particular environmental conditions. There is little empirical literature on the relationships between life history strategies and positive youth development. Objective: This study examines the relationships…

Despite the emerging phenomenon of sexting, scientific investigation with criminological perspectives has been limited. Utilizing data collected from 1,612 randomly selected youth in South Korea, this study begins the investigation into which criminological theory best explains sexting behaviors. Theories considered include self-control, social…

Despite the explosive growth in stereotype threat (ST) research over the decades, a substantive amount of variability in ST effects still cannot be explained by extant research. While some attribute this unexplained heterogeneity to yet unidentified ST mechanisms, we explored an alternate hypothesis that ST theory is often misspecified in…

The present study examined the relationships of Taiwanese eighth graders' perceived autonomy support from teachers, parental psychological control, implicit theories of intelligence, and achievement goal orientations to their agentic, behavioral, emotional, and cognitive engagement in schoolwork. Also, the current research explored the determining…

In the present study, we compared the mindset of preuniversity students and (primary and secondary) vocational students. Participants comprised of 173 students attending preuniversity education and 101 students attending vocational education. All participants completed a mindset questionnaire. We expected, based on previous educational…