Classroom-based physical activity showed no statistically significant pooled effect on cognitive function in primary school children (SMD = 0.33, CI crossing zero)¶
Claim · All claims
Evidence · 1 study · quant-synthesisr2·q3
Currency · newest study 2017 · checked against its sources 2026-11-01 (automated, 1 of 1 entry) · not reviewed by a person
Subclaims¶
Reading the evidence codes
q is the design tier, i the impact, n the sample, and the kind with its r
the rigour judged within that kind: what each code means.
This claim: no standardized effect is recorded in observations/ for it yet, so no benchmark reading is possible.
q3 i? A meta-analysis of five studies found a positive but non-significant pooled estimate for classroom-based physical activity on cognitive function (SMD = 0.33, 95% CI -0.11 to 0.77), which the authors report as no effect; the interval does not rule out a benefit, and individual studies were inconsistent. → Watson Amanda 2017
Evidence¶
Watson Amanda 2017¶
Watson Amanda, Timperio Anna, Brown Helen, Best Keren, Hesketh Kylie D. (2017). Effect of classroom-based physical activity interventions on academic and physical activity outcomes: a systematic review and meta-analysis. The International Journal of Behavioral Nutrition and Physical Activity. https://doi.org/10.1186/s12966-017-0569-9
q3 · i? · quant-synthesis · r2
Random-effects meta-analysis combining five acute and chronic studies (fewer than five reported chronic effects, so results were combined). The review reports "no effect on cognitive function" with SMD = 0.33 (95% CI: -0.11,0.77): the pooled estimate is positive but its interval includes zero, so the result is non-significant and inconclusive rather than evidence of no effect. Across the narrative review the effects were inconsistent: active breaks had an acute positive effect on selective attention in 3 of 4 studies, while other attention, executive-function and fluid-intelligence outcomes showed no or inconsistent effects. The authors note that most included studies were of low methodological quality.
"Results from the meta-analysis indicate classroom-based physical activity had no effect on cognitive function (standardised mean difference = 0.33 (95% CI: -0.11,0.77)"
Discussion¶
Related Claims¶
- Classroom-based physical activity shows no improvement in academic achievement when measured with national standardised tests (pooled SMD = −1.13, CI crossing zero)
- In-classroom physical activity breaks show no significant effects on children's executive function and attention outcomes — a narrower finding that bears on this claim
- In-classroom physical activity breaks show no significant effect on primary school children's mathematics performance — related
- School-based physical activity programs significantly improve mathematics achievement in children and adolescents (SMD = 0.11) — related
- Classroom-based physical activity interventions did not affect children's overall physical activity levels in meta-analysis (SMD = 0.40, CI crossing zero) — related
- Physically active classrooms produce a small improvement in academic performance compared with traditional sedentary classrooms — related
- In-classroom physical activity breaks show no significant effect on primary school children's reading performance — related
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