Weiyun Chen, Steve Mason, Andrew Hypnar, Austin Bennett
Assessing Motor Skill Competency in Elementary School Students: A Three-Year Study
Journal of sports science & medicine
investigate number arithmetic learning among bolivian indigenous people tsimane formal schooling comparatively recent history variable extent consistency first present largescale metaanalysis child number development involving 800 tsimane children results emphasize impact formal schooling children found full counters attended school suggesting importance cultural support early mathematics test especially remote tsimane communities document development specialized arithmetical knowledge absence direct formal education specifically describe individuals succeed arithmetic problems involving number fivewhich distinct role local economyeven though succeed lower numbers participants perform multiplication fives greater accuracy addition one results highlight importance cultural factors early mathematics suggest psychological theories number quantities derived lower numbers via repeated addition eg successor function unlikely explain diversity human mathematical ability