title: Anxiety, praise, and reproof: their effects upon learning and recall of MR boys.
mesh_terms: D000293:Adolescent; D001007:Anxiety; D002648:Child; D004495:Education of Persons with Intellectual Disabilities; D006801:Humans; D008297:Male; D009042:Motivation; D010153:Paired-Associate Learning; D012054:Reinforcement, Psychology