Purpose: The purpose of this study was to investigate the characteristics of missing physical activity (PA) data of children and youth. Method: PA data from the Chinese City Children and Youth Physical Activity Study ("N" = 2,758; 1,438 boys and 1,320 girls; aged 9-17 years old) were used for the study. After the data were sorted by the…

Some of the nation's leading scholars and philanthropic organizations selected a dozen foster care experts to discuss what they know--and don't know--about improving educational outcomes for children and youth in foster care. These experts represent a wide range of experience and perspective including that of an urban county school superintendent,…

This paper argues for the use of social indicators, in conjunction with the traditional norm-referenced and criterion-referenced tests, to assess the effects of local educational systems. A conceptual framework for the study of educational performance is presented, interrelating: (1) personal resources invested by youth; (2) opportunities for…

The National Longitudinal Study of the High School Class of 1972 (NLS) is a large-scale longitudinal survey effort. The current data tapes contain base-year (1972) survey data integrated with first follow-up (1973) survey data. The base-year data consist of responses to a Student Questionnaire, the results of an ability test, and information from…

The National Longitudinal Study of the High School Class of 1972 was initiated in the spring of 1972. A national probability sample of l8,000 students from 1,070 schools completed a Student Questionnaire dealing with factors related to personal and family background, educational and work experiences, plans, aspirations, attitudes, and opinions.…