The influence of language on classification: a theoretical model applied to normal, retarded, and deaf children.
D000293:Adolescent; D002648:Child; D003071:Cognition; D003210:Concept Formation; D003638:Deafness; D006801:Humans; D008607:Intellectual Disability; D007802:Language; D008962:Models, Theoretical; D014705:Verbal Behavior