title: Some relationships between verbal and perceptual capabilities and the development of relative thinking.
mesh_terms: D001244:Association; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D003210:Concept Formation; D004777:Environment; D005260:Female; D006801:Humans; D007360:Intelligence; D008297:Male; D010465:Perception; D011581:Psychological Tests; D013850:Thinking; D014705:Verbal Behavior