Researchers assessed the ability of third and fifth graders to recall and report types and amounts of physical activity from the previous day. The study assessed the validity of the Caltrac electronic accelerometer as a field measure of physical activity. Children's reported physical activity minutes were higher than monitored minutes. (SM)

A survey of 2,216 low-SES Mexican American students in grades 4-6 investigated family, social, and psychological risk factors related to substance abuse. Use of major and minor substances was related to respondent score on an index of 11 risk factors. Relationship between major substance use and risk index was significantly greater for females…

In this study, the authors compared differences in sexual risk attitudes and intentions for three groups of youth (experimental program, n = 90; attention control, n = 80; and nonparticipant control, n = 634) aged 12-14 years. Two student groups participated with their parents in programs focused on strengthening family interaction and prevention…