Studied relationship between adolescents' sleep/wake habits and daytime functioning. Found that self-reported total sleep times decreased from age 13 to 19 years. Struggling or failing students obtained less sleep, went to bed later, and had greater weekend delays of sleep than those with better grades. Students with inadequate sleep reported…

Analyzes a bi-national survey about teachers' beliefs surrounding puberty; adolescent rebellious attitudes, and academics. Finds significant difference between Japanese and U.S. teachers. Explains teachers' impact on students shows cultural differences and cross-national trends. Discusses survey results in light of qualitative studies of Japanese…

This report by the Council of Economic Advisers analyzes key trends in teen behavior, and investigates the role of parents' involvement in their teenagers' lives. The report uses data from the National Longitudinal Study of Adolescent Health, a study of a nationally representative sample of seventh through twelfth graders, to examine the…

Compared adopted and nonadopted adolescents across variety of measures. Found that adopted adolescents were at higher risk in all domains examined, including school achievement and problems, psychological well-being, and physical health. Effect sizes for group differences were larger for males, younger or older adolescents, Hispanics or Asians,…

Examined the relationship between early adolescents' involvement in romantic relationships and their emotional, behavioral, and academic adjustment, depending on same-sex peer relationships. Found a negative relationship between romantic involvement and emotional and behavioral adjustment for adolescents who were unpopular with same-sex peers.…

Used panel study of representative community sample to compare volunteer and nonvolunteer adolescents and identify effects of volunteerism on development. Found that volunteers had higher educational plans and aspirations, grade point averages, academic self-esteem, and intrinsic motivation toward school work than did nonvolunteers. Volunteerism…

Used a structural-equation model with latent constructs to differentiate the domains of adolescent emotional autonomy from parents and specify the intervening processes. Found that individuation was associated with lower academic achievement and higher rates of deviant behavior through the intervening effects of higher susceptibility to negative…

Examined students' exposure to neighborhood and school danger and its effects on attendance, school behavior, and grades in a national sample of middle and high school students. Found that males, African Americans, high schoolers, school lunch recipients, and urban students reported higher exposure to environmental danger. Neighborhood and school…

This study examined the relation between part-time employment and adolescent behavior and development in a multi-ethnic, multi-class sample of approximately 4,000 15- through 18-year-olds. The results indicated that long work hours during the school year were associated with diminished investment in schooling and lowered school performance,…

This longitudinal study examined relations between sociometric status and school adjustment among middle school students. Findings indicated that sixth-grade sociometric status predicted eighth-grade adjustment when controlling for initial adjustment. Compared to average status students, controversial status students had lower classroom grades,…

This study examined the degree to which parent behavior and sibling behavior are differentially related to adolescent adjustment. Using reports from adolescent sibling pairs (41 seventh graders and an older sibling), this study was designed to examine the degree to which parent and sibling behavior (i.e., warm/supportive and hostile) uniquely, and…

This volume is a collection of current research by noted scholars on Chinese child development. The volume re-examines long-held beliefs and preconceptions about Chinese culture, draws forth incompatible pictures and contradictory facts about Chinese children, and draws attention to new problems of the modern Chinese family. The chapters of the…

A study of 643 adolescents and 474 young adults explored relationships among young people's observations and opinions of exclusionary behavior and their reports of whether exclusion affects their social and academic adjustment. Findings indicated that, unlike young adults, adolescents' perceptions of, and attitudes about, school ecologies…

This report provides a comprehensive review of the status of Louisiana's youth and is designed to be used in planning efforts and in developing priorities for improving the health and welfare of the youth of the state. Chapter 1 of the report examines the concept of expanding the definition of health to include social and emotional development,…

These 12 monthly issues from 1999 explore problems encountered by children and adolescents. Regular features include "Keep Your Eye On...," brief accounts of research into childhood and adolescent problems; "What's New in Research," summarizing research from recent publications and professional conferences;…