title: RELATIVE EFFECT OF OVERLEARNING ON REVERSAL AND NONREVERSAL SHIFTS WITH TWO AND FOUR SORTING CATEGORIES.
mesh_terms: D003210:Concept Formation; D006801:Humans; D007858:Learning; D010056:Overlearning; D021381:Protein Transport; D012054:Reinforcement, Psychology; D012193:Reversal Learning
keywords: CONCEPT FORMATION; LEARNING; OVERLEARNING; REINFORCEMENT (PSYCHOLOGY); REVERSAL LEARNING