The purpose of this study was to describe the voice change and voice part assignment of male middle school choir members. Volunteers (N = 92) were recruited from three public middle school choral programs (Grades 6-8). Participants were audio-recorded performing simple vocal tasks in order to assess vocal range and asked to share the music they…

The present study tested the developmental links between maternal closeness and support and measures of depression and anxiety symptoms, and whether these links were conditioned by pubertal status. It was hypothesized that pubertal status (early) would potentiate the negative links (stronger relationships) between maternal positive parenting and…

Student-reported quality and coverage of school-based relationships and sex education (RSE) vary, with gender/sexual-minority and disadvantaged students reporting poorer provision. Experience of RSE among younger adolescents is under-explored. We examined student-reported RSE coverage and priorities and how coverage, and sexual-health knowledge…

Parents play an important role in adolescents' development of empathy. However, less understood is what dimensions of parental behavior predict changes in empathy during early adolescence and whether effects of parental behavior are moderated by pubertal timing or differ by sex. This study used data from an ethnically diverse sample of 704 youth…

Objective: The objective of this study was to compare caffeine consumption in the morning, afternoon, and evening in adolescents with and without ADHD and examine associations with sleep functioning. Methods: Participants were 302 adolescents (ages 12-14) with (n=140) and without (n=162) ADHD. Adolescents wore actigraph watches to assess total…

The purpose of this pilot study was to expand understanding of the experience of menstruation for girls in the United States and its impact in the school setting. A qualitative approach was used to gather data from focus group interviews. Descriptive content analysis was used to categorize the range and types of menstruation experiences described…

Delaying school start times may help in alleviating some of the negative effects of the lack of sleep among adolescents. There appears to be a consensus among various researchers that later school start times are associated with an increase in total sleep time in adolescents, although some researchers find that such an effect might be fleeting. In…

The Off to a Good Start: Physical, Emotional, and Sexual Development of Youth Grades 5-8 (OTAGS) curriculum provides students with a foundation for future sex education. The curriculum consists of three modules covering puberty, healthful relationships, and HIV and sexually transmitted infections. University of Illinois Extension educators taught…

To elucidate the processes underlying the cultural construction of adolescence, this research examined youth's stereotypes about teens in Hong Kong and Chongqing, a relatively less developed city in Mainland China. Youth (N = 1,269) reported on their teen stereotypes and problem behavior in the fall and spring of 7th grade. Youth in Hong Kong (vs.…

Objectives: Understandings of menstruation, including those within teaching, continue to draw on dominant discourses that construct menstruation as shameful and secret. This study trialled a new pedagogical approach to menstruation education that offered opportunities to engage with and mobilise alternative discourses. Design: Teachers of students…

Background: Children with attention-deficit/hyperactivity disorder (ADHD) experience greater sleep problems than their peers. Although adolescence is generally a developmental period characterized by insufficient sleep, few studies have used a multi-informant, multi-method design, to examine whether sleep differs in adolescents with and without…

Menarche is the first menstrual period as one of the sign of puberty. There are many factors may affect the age at menarche such as nutritional status, genetic, environmental conditions, socioeconomic status, and education. The purpose of this research is to determine the relationship between nutritional status and age of menarche on female…

In this study, we tested two competing explanations of the previously established link between early female puberty and sexual harassment in early adolescence. The sample included 680 seventh-grade Swedish girls (M[subscript age] = 13.40, SD = 0.53). Findings revealed that looking more sexually mature and being sexually active mediated the link…

Support for sex education in middle and high school and for the inclusion of a variety of topics in sex education programmes is strong among likely voters in the USA. This survey was conducted with a diverse sample of 965 adults who were invited from the largest probability-based panel in the USA. In addition to supporting sex education in…

This study examined the effects of pubertal status, pubertal timing (actual and perceived), and youth biological sex on symptom dimensions of anxiety (i.e., social, separation, harm avoidance, physical) in African Americans (n = 252; ages 8-12). For girls, results indicated that pubertal status and timing (actual) exerted similar effects for some…