title: An adaptation of a Piagetian spatial perception study applied cross-culturally.
mesh_terms: D000293:Adolescent; D002648:Child; D002657:Child Development; D003071:Cognition; D003431:Cross-Cultural Comparison; D006801:Humans; D011582:Psychological Theory; D044469:Racial Groups; D013019:South Africa; D013028:Space Perception; D014796:Visual Perception