A review of the literature regarding gender differences in physical activity found that gender differences in motor performance were related to age in 12 of 20 tasks and suggested that gender differences prior to puberty may be environmentally induced, but after puberty may be influenced by a biology-environment interaction. (Author/CB)

It is possible that conflicts in families with adolescents are linked to the transitions and individual development that occur during adolescence. A study was conducted to describe domains of conflictual issues associated with adolescent grade in school, pubertal status, and gender. The sample was comprised of 78 seventh graders, 115 ninth…

Conflictual family issues appearing during adolescence have not been adequately dimensionalized. In addition to this problem, researchers have focused on age-related variations in family conflicts without investigating other characteristics. A study was conducted to describe organized domains of conflictual family issues and to describe variations…

This paper discusses the relation between feelings about body development and other aspects of self-image such as social relations, external mastery and impulse control. The Offer Self-Image Questionnaire was administered to about 400 sixth grade students in two middle class suburban school districts. Results indicate that, compared to boys of the…

Examined effects of early physical maturation and accelerated pubertal changes on symptoms of major depression among 639 African American adolescents. Found that for girls, early maturation was consistently associated with elevated levels of depressive symptoms. For boys, early maturers showed elevated depression only at age 11, with symptoms…

Risk factors for early adolescents' (700 between the ages of 10 to 13) delinquency were compared between groups of children high and low in childhood adversities. The samples represented young people from the two former Germanies (200 from former East and 500 from West Germany) who were interviewed in person. Additional information was gathered…

Assessed differences in masculinity, femininity, and sex role attitudes in adolescent girls and boys, and the relation of pubertal timing to intensification of those attitudes. Found that sex differences in masculinity and sex role attitudes increased with age. Pubertal timing was unrelated to masculinity, femininity, and sex role attitudes. (BC)

This study examined the effects of adolescent pubertal status, adolescent gender, parent gender, and conversation topic on parent and adolescent affective expression. Subjects were 85 adolescents in fifth through ninth grade who participated in 2 separate 8-minute conversations, one pleasant and one unpleasant, with their mother and father…

A longitudinal study of early adolescents examined gender differences in attitude and behavior, as well as the effects of pubertal change, parental expectations, and parental support. It was hypothesized that sex differences would emerge during preadolescence and that males' and females' rates of change would be significantly different. Subjects…

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…