title: LEVEL OF TRAINING AND GOAL-BOX MOVEMENTS AS PARAMETERS OF THE  PARTIAL REINFORCEMENT EFFECT.
mesh_terms: D004193:Discrimination Learning; D005108:Extinction, Psychological; D006040:Goals; D009042:Motivation; D009068:Movement; D051381:Rats; D012054:Reinforcement, Psychology; D012106:Research
keywords: DISCRIMINATION LEARNING; EXPERIMENTAL LAB STUDY; EXTINCTION (PSYCHOLOGY); MOTIVATION; RATS; REINFORCEMENT (PSYCHOLOGY)