Sexual health communication in adolescence is important for sexual well-being. With limited empirical work utilizing longitudinal methodologies, this study aimed to investigate how the frequency of sexual communication with parents, peers, and dating partners changes across adolescence and varies based on sex, race/ethnicity, and sexual…

This article provides a replication study of the National Writing Project's College, Career, & Community Writers Program (C3WP), which was found to be effective at improving student writing quality in two prior studies. C3WP is designed to improve students' source-based argument writing through intensive teacher professional development,…

Guided by the life course perspective, this study investigated the developmental antecedents of contact, closeness/warmth, and negativity in young adults' relationships with their parents. Taking the developmental systems approach, we considered interindividual differences in not only initial levels of parenting quality in early adolescence (Grade…

The current study examines the role of ethnic-racial socialization (ERS) and maternal autonomy granting in predicting ethnic-racial identity (ERI) exploration, resolution, and affirmation trajectories in a sample of Mexican-origin girls (N = 338) in early and middle adolescence at Wave 1. Latent growth curve analyses showed significant growth in…

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.…

This longitudinal study explores three research questions. First, what is the prevalence of math and science gender stereotypes among high school students, their parents, and teachers? Second, are parents' and teachers' gender stereotypes related to adolescents' stereotypes? And third, are adolescents' gender stereotypes associated with their math…

Background: For years, physical activity settings had portrayed a discourse that does not allow to add new and different elements in its practice. This discourse established a status quo that has affected in many ways the structure, the pedagogy and practice of physical activity settings. This is the case of out-school programs. Purpose: The…

We examined to what extent subgroups of students identified with learning disabilities (LDs; N = 630) in the Early Childhood Longitudinal Study, Kindergarten Class of 1998 to 1999 (ECLS-K): 1998 national longitudinal study displayed heterogeneity in longitudinal profiles of reading and mathematics achievement from first to eighth grades.…

The study aimed to explore the development trend of positive mental health and the interaction between adolescents' perceived family support and positive mental health. A 3-year longitudinal survey of perceived family support and positive mental health (resilience and self-efficacy) for four waves was conducted with 564 junior high school students…

School systems started the 2021-22 school year with extra resources and plans for recovery, but repeated resurgences of the COVID-19 virus thwarted hopes of a strong comeback. Schools continued to face a myriad of challenges including severe staff shortages, high rates of absenteeism and sickness, and rolling school closures forced by the…

Background: Self-efficacy, or the beliefs learners hold about what they can do, develops largely from how learners perceive and interpret four main sources of information: mastery experiences, vicarious experiences, social persuasions and physiological and affective states. Although the relationship between these sources and self-efficacy is…

This study's primary aim is to validate a research instrument in Iraqi Kurdistan middle and secondary schools to explore learners' perspectives concerning social constructivist learning environments and e-learning outcomes. The research instrument was updated and devised based on Aldridge, Fraser, Taylor, and Chen's (Aldridge et al., International…

These are the appendixes for the full report, "Changes in School Climate during COVID-19 in a Sample of Pennsylvania Schools." The REL study analyzed changes in scores from a pre-pandemic year (2018/19) to the 2020/21 and 2021/22 school years, both of which were affected by COVID-19 and related policy changes. These technical appendixes…

The current study examines whether peer victimization experienced in early adolescence is associated with compromised social functioning 14 years later in young adulthood. The sample involved 1533 young adults (65.1% female, M[subscript age] = 27.06) who had participated in a large research project as middle school students (7th and 8th graders,…

Early adolescence represents a critical developmental period for the identification, prevention, and early intervention of mental health concerns. The Early Identification System--Student Report (EIS-SR) was developed as a user-friendly, accessible, and cost-efficient method for identifying youth at risk for mental health concerns. The present…