title: Performance of young hearing-impaired children on a test of basic concepts.
mesh_terms: D000124:Achievement; D000367:Age Factors; D002648:Child; D003210:Concept Formation; D003638:Deafness / Q000175:diagnosis / Q000534:rehabilitation; D004519:Education, Special; D006801:Humans; D007804:Language Development; D011581:Psychological Tests; D012959:Socioeconomic Factors; D013028:Space Perception; D013998:Time Perception