title: The effects of fading, feedback, and feedback plus instruction on the performance of institutionalized retarded children in number retention exercise.
mesh_terms: D002648:Child; D004193:Discrimination Learning; D005246:Feedback; D006801:Humans; D008607:Intellectual Disability; D008297:Male; D012054:Reinforcement, Psychology; D012201:Reward; D013647:Task Performance and Analysis; D014163:Transfer, Psychology