This study investigates the predictive validity of lower extremity strength, strength asymmetry, and soccer-specific fitness in talent identification among elite male youth soccer players. Employing a Retrospective Cohort design, we established a cohort consisting of K-League registered youth players, totaling 219 individuals (all males, aged 16…

For ethnoracially minoritized and immigrant youth, identity formation involves efforts to integrate social identities that are derived from their ethnic-racial group memberships (i.e., ethnic-racial identity) and their connection to the country in which they reside (i.e., national identity). This study investigated the extent to which these two…

Adolescents who have been diagnosed with disabilities constitute a significant portion of the school population in the United States. For example, the National Survey of Children's Health identified one in four children ages 12 to 17 as having special healthcare needs in 2019 (Data Resource Center for Child and Adolescent Health, n.d.). In the…

Background: Students' social emotional competencies (SECs; also known as non-cognitive skills) are the skills or knowledge that allow them to successfully navigate social and academic environments such as self-management, social awareness, and relationship skills. Research has established cross-sectional associations between SECs and student…

The purpose of this study was to observe how within-person variation in motivation, self-efficacy and academic performance scores are correlated or can be predicted. The reciprocal association between these variables was analysed through a four-wave longitudinal study and a within-person analytical approach (random intercept cross-lagged panel…

Data from the 2019 Minnesota Student Survey, consisting of 166,176 students ranging in age from 10 to 18 years, were used to investigate patterns of adolescent suicidal ideation and attempt through the lens of Minority Stress Theory (MST). Through a conjunctive analysis of case configurations (CACC), the current study demonstrates that adolescent…

The following survey study uses a quantitative research design to investigate motivational and affective aspects of students (aged 14-17) in a mathematical workshop on graph theory. Motivational and affective aspects are related to heart rate measurement (using the digital medium of a pulse watch) in mathematical knowledge development processes in…

Three-year longitudinal and concurrent associations of leadership with overt aggression, exclusion of others, effortful control (EC), popularity, unpopularity, prosocial behavior, and academic achievement were assessed in this study of Indonesian adolescents. Participants were initially assessed in the 10th grade (n = 462, 256 girls; M[subscript…

The purpose of this study was to investigate the leadership development of Korean American youth who participated in a community-based participatory action research program designed to assist community members affected by COVID-19. Participants were drawn from a small town in the southeastern part of the U.S. Using a case study approach, multiple…

This study examined the relationships of sociocultural body ideal internalization, difficulties in emotion regulation, and their interaction with body image concerns in a group of 423 Canadian adolescent boys. Participants were 12 to 17 years old and completed multiple self-reported questionnaires. Regression analyses and latent moderation…

High-achieving minority students have fewer friends than their majority counterparts. Exploring patterns of friendship formation in the Add Health data, we find strong racial homophily in friendship formations as well as strong achievement homophily within race. However, we find that achievement matters less in cross-racial friendships. As a…

Objective: School Health Profiles (Profiles) is a national surveillance system operated by the US Centers for Disease Control and Prevention. A school-based system of surveys, Profiles monitors school health policies and practices in US states and other jurisdictions through questionnaires completed by school principals and lead health education…

Background: Internationally 18% of youth are obese. Fitness testing can be used to establish fitness surveillance, which can inform policy and targeted interventions aimed at addressing obesity. The purpose of this study was to estimate the prevalence of overweight, obesity, and low fitness in Idaho school-aged youth through a pilot study.…

The Research-based Developmentally Informed (REDI) program enriched Head Start classrooms with teacher-delivered curriculum components designed to enhance child social-emotional learning and language-literacy skills. Parents received information about the program via backpack express, including weekly handouts about program topics and three DVDs…

This brief examines the outcomes of high school-aged newcomer students--recently-arrived immigrant English learners--in the Houston Independent School District (HISD). Data from the 2007-2008 through 2018-2019 school years show that newcomer students who attended Liberty High School upon arrival in the U.S. had similar levels of academic…