This descriptive study was designed to examine middle school adolescent boys' singing voices ( N = 104) comprising volunteers enrolled in band (n = 72) or choir (n = 32). The authors sought to confirm possible earlier voice change, to compare vocal characteristics among frequent (choir) and infrequent (band) singers, and to determine use of…

The purpose of the study is to assess the relationship between timing of adolescent development and risk factors for suicide. Nationally representative data from the Add Health survey were used. The relationship of sociodemographic characteristics, known risk factors, and physical developmental timing and cognitive developmental style to suicide…

The GOALS study (Grootschalig Onderzoek naar Activiteiten van Limburgse Scholieren [Large-scale Research of Activities in Dutch Students]) was set up to investigate possible associations between different forms of physical activity and inactivity with cognitive performance, academic achievement and mental well-being. It was conducted at a…

The current study describes longitudinal trends in sexual harassment by adolescent peers and highlights gender, pubertal status, attractiveness, and power as predictors of harassment victimization. At the end of 5th, 7th, and 9th grades, 242 adolescents completed questionnaires about sexual harassment victimization, pubertal status, and perceived…

The current study tested sex-specific pathways to early puberty, sexual debut, and sexual risk taking, as specified by an integrated evolutionary-developmental model of adolescent sexual development and behavior. In a prospective study of 238 adolescents (n = 129 girls and n = 109 boys) followed from approximately 12-18 years of age, we tested for…

This article contributes new evidence on the associations among immigrant generation, gender, and sexual risk behavior among Latino adolescents in the United States. Longitudinal data from 3,272 Latino adolescents (grades 7-12) who participated in the National Longitudinal Study of Adolescent Health (Add Health) were examined for evidence of the…

Self-reports of grade at first menstrual period for 1,967 fourth-grade through ninth-grade girls were used to categorize girls as early maturers. The categories of early maturer and other (on-time or late maturers) were then examined for stability over a 3-year period using McNemar tests and [kappa] coefficients. Although the results showed…

Life, in general, is a series of ever-increasing challenges. Ideally, the lessons learned from previous experiences prepare a person for future ones. That isn't always the case, particularly when puberty hits. Despite the many environmental and personal variables converging at the same time, schools can be instrumental in guiding teens through…

Purpose: To examine concordance between two self-reported measures of puberty: Sexual Maturation Scale (SMS) and Pubertal Development Scale (PDS) and their acceptability to adolescents. Methods: Participants of a school-based study in grades 5, 7 and 9 were classified into one of 5 pubertal stages using each method. Results: 2864 students (age…

This study extends previous research on the social psychological implications of pubertal timing to education by applying a life course framework to data from the National Longitudinal Study of Adolescent Health and from the Adolescent Health and Academic Achievement Study. Early pubertal timing, which has previously been associated with major…