Discrimination learning and the learning of letters by severely subnormal children.
D000293:Adolescent; D000328:Adult; D002648:Child; D003463:Cues; D004193:Discrimination Learning; D005260:Female; D006801:Humans; D008607:Intellectual Disability; D008297:Male; D010363:Pattern Recognition, Automated; D011932:Reading; D012057:Reinforcement, Verbal; D013223:Statistics as Topic; D014706:Verbal Learning