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- Title
PRELIMINARY EVALUATION OF AN OBSERVATION SYSTEM FOR RECORDING PHYSICAL ACTIVITY IN CHILDREN.
- Authors
Larson, Tracy A.; Normand, Matthew P.; Hustyi, Kristin M.
- Abstract
Although mechanical means of measuring physical activity are available, they cannot provide information about the context in which such activity occurs. Therefore, direct‐observation systems remain essential tools for studying physical activity. The Observational System for Recording Physical Activity in Children (OSRAC) is a direct‐observation system for recording physical activity and associated environmental variables. We evaluated the concurrent validity of the OSRAC physical activity codes with two types of mechanical measures of physical activity: pedometers and heart‐rate monitors. The results indicate that heart rates and step totals generally covaried with the OSRAC activity‐level codes, suggesting that these codes are valid measures of physical activity in preschool children.
- Subjects
EXERCISE; HEART beat; SCIENTIFIC observation; PEDOMETERS; INTER-observer reliability; RESEARCH methodology evaluation; CHILDREN
- Publication
Behavioral Interventions, 2011, Vol 26, Issue 3, p193
- ISSN
1072-0847
- Publication type
Article
- DOI
10.1002/bin.332