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 Pub Number  Title  Date
WWC SSR217 WWC Review of the Report "Findings from a Randomized Experiment of Playworks: Selected Results from Cohort 1"
The 2012 study, Findings from a Randomized Experiment of Playworks: Selected Results from Cohort 1, examined whether Playworks, a program that utilizes full-time coaches to provide structured play opportunities during recess and class time, reduces the number of disciplinary referrals in 25 low-income elementary schools in five U.S. cities during the 2010–11 school year. The Playworks program includes three main components: structured recess activities, class game time, and the junior coach program. This study is a well-implemented randomized controlled trial with low attrition at the school level, and the research described in the report meets WWC evidence standards without reservations.
5/1/2013
WWC QRRC0409 Recess and Classroom Behavior Study
The study analyzed a nationally representative sample of over 10,000 students enrolled in third grade during the 2001–02 school year. These data were drawn from the Early Childhood Longitudinal Study, Kindergarten Class of 1998–1999 (ECLS–K).
4/28/2009
NCES 2006106 Public-Use Data Files and Documentation: Foods and Physical Activity in Public Elementary Schools, 2005
This file contains data from a 2005 fast-response survey titled “Foods and Physical Activity in Public Elementary Schools: 2005.” The study was prompted by concern over the rate of obesity among school-age children and was designed to obtain current national information on availability of foods and opportunities for exercise in public elementary schools. NCES released the results of the survey in the publication Calories In, Calories Out: Food and Exercise in Public Elementary Schools, 2005. Questionnaires and cover letters for the study were mailed to the principal of each sampled school in early March 2005, requesting that the questionnaire be completed by the person most knowledgeable about the availability of foods and opportunities for physical activity at the school. Respondents were encouraged to consult with the school’s food service personnel and physical education staff to complete relevant sections of the questionnaire. Respondents were also offered the option of completing the survey via the Web. Telephone follow-up for survey nonresponse and data clarification was initiated in late March 2005 and completed in late June 2005. The final response rate was 91 percent. Respondents were asked about the types of food sold at one or more locations in their schools and in their cafeterias or lunchrooms; the types of food sold at vending machines and school stores or snack bars, and times when foods were available at those locations; food service operations and contracts with companies to sell foods at schools; scheduled recess, including the days per week, times per day, and minutes per day of recess; scheduled physical education, including the days per week, class length, and average minutes per week of physical education; activities to encourage physical activity among elementary students; and the physical assessment of students.
1/4/2007
NCES 2006057 Calories In, Calories Out: Food and Exercise in Public Elementary Schools, 2005
This study, prompted by concern over the rate of obesity among school-age children, was designed to obtain current national information on availability of foods and opportunities for physical activity in public elementary schools. The report includes findings on the types of food sold at one or more locations in schools and in their cafeterias or lunchrooms; the types of food sold at vending machines and school stores or snack bars, and times when foods were available at those locations; food service operations and contracts with companies to sell foods at schools; scheduled recess, including the days per week, times per day, and minutes per day of recess; scheduled physical education, including the days per week, class length, and average minutes per week of physical education; activities to encourage physical activity among elementary students; and the physical assessment of students.
5/16/2006
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