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The problem
Intervention: School-based physical activity interventions added to the school day
Who it was tested with: Children aged 4-16 years across 29 studies involving 11,264 participants.
Children or communities are compared with a group that did not receive the intervention, or followed over years. This is the design that best separates what the intervention did from everything else that changed.
"A total of 29 studies consisting of randomised trials and other interventions with control groups were identified through a systematic search, and 11 of them provided sufficient data and appropriate design for a meta-analysis." The systematic review with meta-analysis represents high-quality evidence of the effect of physical activity interventions on mathematics performance in children.
Heterogeneity in study designs and intervention types; small effect size suggests modest practical impact; specific mechanisms and optimal intervention characteristics not detailed.
Across countries and designs
6 studies · 6 countries
