# Individual classification of elementary school children’s physical activity: A time-efficient, group-based approach to reference measurements

> Research article (Behavior Research Methods, 2016) · cited 14× · AI/ML

**Wikidata**: [openalex:W2471209076](https://www.wikidata.org/wiki/openalex:W2471209076)  
**Source**: https://4ort.xyz/entity/individual-classification-of-elementary-school-childrens-physical-activity-a-time-efficient-group-based-approach-to-refe