System for Observing Play and Leisure Activity in Youth: A Systematic Review of US and Canadian Studies.
Christopher John KinderKahyun NamPamela Hodges KulinnaAmelia M WoodsThomas L McKenziePublished in: The Journal of school health (2023)
This review provides information relative to the group-level physical activity observed across multiple contexts (ie, playgrounds, parks, recreation centers) using a validated direct observation instrument.