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Heath, Edward M.; Coleman, Karen J.; Lensegrav, Tera L.; Fallon, Jennifer A. – Research Quarterly for Exercise and Sport, 2006
The System for Observing Fitness Instruction Time (SOFIT) is a direct observation system specifically developed for use during physical education (PE; McKenzie, 1991; McKenzie, Sallis, & Nader, 1991). The purpose of this study was to validate the estimates of time spent in various physical activity intensities obtained with the paper and pencil…
Descriptors: Validity, Physical Activities, Physical Education, Physical Fitness