NotesFAQContact Us
Collection
Advanced
Search Tips
Showing all 2 results Save | Export
Peer reviewed Peer reviewed
Direct linkDirect link
Zhuang, Jie; Chen, Peijie; Wang, Chao; Huang, Liang; Zhu, Zheng; Zhang, Wenjie; Fan, Xiang – Research Quarterly for Exercise and Sport, 2013
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…
Descriptors: Physical Activities, Error of Measurement, Statistical Data, Gender Differences
Dunteman, George H.; Bailey, John P. – 1974
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.…
Descriptors: Academic Ability, Career Development, Data Analysis, Data Collection