Background: Despite extensive research examining features of adolescents' ego-identity development, little research has demonstrated patterns of ego-identity development and its relationship with various individual and environmental factors that are theoretically important for identity development. Objective: The current study investigated…

Biology, a living science, is known as a balance and complement among other branches of science. Just like the science of biology, biology as a course also plays a very important role among other courses at all school types and grades. It is thought that the adults of the future should not be deprived of knowledge in the field of biology and…

Antisocial peer behavior and low parental knowledge of adolescents' activities are key interpersonal risk factors for adolescent substance use. However, how the magnitude of associations between these risk factors and substance use may vary across adolescence remains less well understood. The present study examined the age-varying associations of…

This study builds on previous research and policy that view teen sports as an educational tool and public health asset. The results highlighted that school-based athletics continued to be the most popular activity provided by high schools in the U.S. and was the only school-based extracurricular activity that showed an increase in participation…

Individual differences in the transition to adulthood are well established. This study examines the extent to which heterogeneity in pathways to adulthood that have been observed in the broader U.S. population are mirrored in adolescents' expectations regarding when they will experience key adult role transitions (e.g., marriage). Patterns of…

Sport is a context that provides positive developmental benefits to adolescents. However, these benefits are not distributed equally to all participants. This study examined whether the motivational constructs of attainment value and ability self-concept were related to positive developmental experiences in sport, and tested intensity of…

A systematic review was conducted on the role of substance use initiation in subsequent use and substance-related problems among adolescents. Specifically, we examine previous studies to identify whether age of onset predicts subsequent levels of misuse; we also posit reasons for this association that have been suggested within the literature. In…

This brief discusses the rates of participation in structured and unstructured outdoor activities as Coös County youth age, along with the relationship between outdoor activity involvement and indicators of place attachment throughout this period. The analysis is based on data collected between 2008 and 2013 as part of the Carsey Institute's Panel…

Introduction: Based on internal and external assets, the positive youth development approach aims to increase the capacity among adolescents to overcome challenges as they transition to adulthood. Developmental assets have been found to be positively associated with academic achievement, a variety of health promoting behaviors, and improved…

This study examined the developmental trajectories of maladaptive perfectionism over a 7-year period among African American youth living in an urban setting (N = 547). In particular, the study attempted to determine whether two maladaptive aspects of perfectionism (socially prescribed and self-critical) changed over time and could be distinguished…

This study examined the perceptions of adulthood among 31 high-school students with autism spectrum disorder (ASD). We had two research aims: (a) to report students' postsecondary expectations in terms of school, work, friendships, and living arrangement and (b) to describe how our sample defined adulthood. To better compare our sample's criteria…

We investigated the degree to which parent positive personality characteristics in terms of conscientiousness, agreeableness, and emotional stability predict similar adolescent personality traits over time, as well as the role played by positive parenting in this process. Mothers and fathers of 451 White adolescents (52% female, mean age = 13.59…

In order to examine youth experiences in athletic activities with different characteristics, the present study explored the developmental outcomes associated with participation in three different types of sport (individual sports, team sports, and dance-type sports) as well as across six identified patterns of participation (no participation,…

The main objective of this study is to identify the development of students' self-reported use of metacognitive learning strategies during high school. Therefore, the study analyses the differential development patterns of 1,432 students, between grade 10 and 12, in a longitudinal sample. The results suggest that, from a global perspective, there…

This study examined adolescent developmental experiences and participation in extracurricular activities. Providing youth with multiple channels to nurture their development and acknowledge their interests and strengths can play a significant role in their holistic growth. This is a descriptive study of a mixed-methods design (quantitative and…