title: A LONGITUDINAL STUDY OF THE EFFECTS OF EXPERIMENTER BIAS ON THE OPERANT LEARNING OF LABORATORY RATS.
mesh_terms: D035843:Biomedical Research; D003213:Conditioning, Psychological; D005793:Generalization, Psychological; D007858:Learning; D008137:Longitudinal Studies; D011589:Psychology, Experimental; D051381:Rats; D012054:Reinforcement, Psychology; D012106:Research
keywords: CLINICAL RESEARCH; CONDITIONING (PSYCHOLOGY); EXPERIMENTAL LAB STUDY; GENERALIZATION (PSYCHOLOGY); LEARNING; PSYCHOLOGY, EXPERIMENTAL; RATS; REINFORCEMENT (PSYCHOLOGY)