Planning a class trip: What SMD = 0.85 means – and why it will change your next excursion
Why do school trips remain in our memories for decades – while Tuesday's lessons don't? A meta-meta-analysis from 2025 provides the neurobiological answer. And it changes how school trips are planned.
SMD = 0.85. This is the effect size found in a 2025 meta-meta-analysis published in the German Journal of Sports Medicine for movement and memory performance.