During adolescence, increases in pubertal hormones lead to reproductive maturity as well as changes in cognitive development. Yet, little is known about how to best characterize interindividual differences in hormone concentrations. The goal of the current study was to examine the antecedents and consequences of membership in empirically derived…

The purpose of this study was to investigate the effect of relative age on selected biomotoric skills of children in puberty period. The sample of this research consisted of 30 male and 30 female students who have been studying at primary schools and on 9 age period. Identity info was grounded on determining chronologic ages of participants. In…

Although voluminous research has linked nonresident fatherhood to riskier sexual behavior in adolescence, including earlier sexual debut, neither the causality of that link nor the mechanism accounting for it has been well-established. Using data from the National Longitudinal Survey of Youth, 1979--the Young Adult Survey (CNLSY-YA), the present…

Conventional wisdom holds that children learn languages implicitly whereas older learners learn languages explicitly, and some have claimed that after puberty only explicit language learning is possible. However, older learners often receive more explicit instruction than child L2 learners, which may affect their learning strategies. This study…

The often observed decline in students' self-perceptions across transition to secondary school after grade 6 is often attributed to students' entry to puberty. This study aims to examine whether lowered self-perceptions can be observed after transition in Germany which occurs after grade 4 and thus takes place before puberty. Fifth graders (N =…

In the present study, we examined developmental and contextual factors that may increase the odds of reporting higher social physique anxiety (SPA) among 404 adolescent athletes 11 to 16 years old. Findings showed older, later maturing athletes past peak height velocity and with greater body mass index (BMI) reported higher SPA. Individual…

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…

A population of 12-19 year-old adolescents (n = 994) was selected from a pool of 7264 students in order to study adolescent's perception of autonomy. Eleven behavioural autonomy items were elected by the adolescents and used to evaluate the frequency of desire, achievement and disobeying parents in early (12-13 year-old) and late (18-19 year-old)…

Examined the effect of puberty on the parent-adolescent relationship in association with ethnicity, parental psychopathology, and chronological age. Found that puberty effects on parent support and parent-adolescent conflict differ for Hispanic and non-Hispanic white boys. Parent alcoholism did not moderate the effect of puberty, and puberty…

In order to clarify the complicated relationship between the onset of puberty and the transition from elementary to junior high school, a controlled study was designed that compared the transition of grade 5 elementary school students to grade 6 in an elementary school with the transition of grade 6 elementary school students to grade 7 in a…