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The problem
Intervention: Embedding high-intensity interval training (HIIT) within the physical education curriculum
Who it was tested with: 70 children aged 8-10 years (40 boys, 30 girls) enrolled in an expanded public school supplemental learning program in urban schools.
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.
"Forty boys and 30 girls; ages 8-10 yrs. enrolled in an expanded public school supplemental learning program were assigned into one of three conditions using a pragmatic trial design: standard PE curriculum (n = 23), HITT (n = 25), and RT (n = 22)." The study used random assignment to three groups with objective measurements of physical activity and academic outcomes, meeting the criteria for experimental design with comparison groups.
Study involved only 70 children from urban schools, so generalizability is limited. The measurement period and intervention duration are not clearly specified. Behavioral outcomes showed no difference across any group despite prior research suggesting exercise benefits cognition.
Across countries and designs
1 study · 1 country
