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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
United States Bureau of Education, Department of the Interior, 1899
This is Volume 1 of the Report of the Commissioner of Education for the Year 1897-98, containing Part I. The volume begins with the Commissioner's Introduction and Statistics of State Common School Systems. Part I covers the topics: (1) History of the German School System; (2) Summer Schools in England, Scotland, France, and Switzerland; (3)…
Descriptors: Public Schools, Statistical Data, Educational History, Summer Schools