DISCRIMINATION SHIFT LEARNING AND RESPONSE INHIBITION OF MODERATELY AND SEVERELY MENTALLY RETARDED AND NON-RETARDED CHILDREN |
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Authors: | Tadao Umetani Satoshi Kitao Akiyoshi Katada |
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Affiliation: | Department of Education for Handicapped Children, Chiba University, Chiba 260, Japan;Department of Education for Handicapped Children, Tokyo Gakugei University, Tokyo 184, Japan |
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