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Activity Number: 549
Type: Topic Contributed
Date/Time: Wednesday, August 6, 2014 : 2:00 PM to 3:50 PM
Sponsor: Social Statistics Section
Abstract #311217 View Presentation
Title: Associations Between Objectively-Measured and Self-Reported Physical Activity Outcomes: Findings from the Randomized Experiment of Playworks
Author(s): Nicholas K. Beyler*+ and Susanne James-Burdumy and Martha Bleeker and Jane Fortson and Kelley Borradaile
Companies: Mathematica Policy Research and Mathematica Policy Research and Mathematica Policy Research and Mathematica Policy Research and Mathematica Policy Research
Keywords: Physical activity ; Playworks ; Accelerometer ; Student survey

Self-reports of physical activity are often prone to considerable measurement error and biases. Measurements of physical activity obtained from monitoring devices, such as accelerometers, tend to provide more objective (unbiased) measurements of physical activity. In this presentation, we investigate the associations between objective measurements of physical activity and self-reported physical activity outcomes in a student survey. Data were collected from students that participated in the Randomized Experiment of Playworks Study.

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