title: Observationally induced changes in children's interrogative classes.
mesh_terms: D000293:Adolescent; D001521:Behavior Therapy; D002648:Child; D003210:Concept Formation; D003467:Cultural Deprivation; D005260:Female; D006801:Humans; D007100:Imitative Behavior; D007858:Learning; D008297:Male; D012919:Social Behavior; D013850:Thinking