title: Matching to reinforcer value: human concurrent variable-interval performance.
mesh_terms: D000328:Adult; D004193:Discrimination Learning; D005793:Generalization, Psychological; D006801:Humans; D008297:Male; D010262:Paraphilic Disorders / Q000523:psychology*; D010378:Pedophilia / Q000523:psychology*; D012054:Reinforcement, Psychology