Recent studies have suggested that quality of delivery matters to achieve better student outcomes in the context of school interventions. However, studies rarely measure quality of delivery and test its association with students' outcomes, perhaps due to lack of clarity regarding how to measure it. Here, we offer recommendations on how to select…

Playground Physics is a supplemental middle school science program designed to support embodied learning by enabling students to connect physics concepts to their own playful activities. The purpose of this study was to examine a model for scaling up the Playground Physics program and to determine the program's impact on middle school students'…