Puberty culminates in a dramatic and visually apparent set of changes in each individual. Social and psychological effects of the meaning of these changes are an important component in understanding the significance of puberty for adolescents and their behavior. (CJ)

Serial data for 268 normal boys and girls were obtained and used to calculate predicted adult statures without using skeletal age. The data can be used to measure physical maturity in 5- to 15-year-old boys and 3- to 13-year-old girls without invasion of privacy or radiological techniques. (Author/PP)

Research examining the effects of sports participation on children and youth is reviewed from the perspective of psychological and physical development. Statistical information regarding the participation rate in different kinds of youth sports is given. The effects of prolonged athletic activity on bone, muscle, and adipose tissue growth is…

As a result of discussions at a 1983 Social Science Research Council meeting, a study group was convened to bring together all the professionals currently examining maturation timing. This interdisciplinary group reports findings in two issues of this journal, and its work is introduced in this paper. (LMO)