LEVER DISPLACEMENT UNDER A VARIABLE RATIO SCHEDULE AND SUBSEQUENT EXTINCTION.
D004193:Discrimination Learning; D005108:Extinction, Psychological; D051381:Rats; D012054:Reinforcement, Psychology; D012106:Research; D013894:Thirst
DISCRIMINATION LEARNING; EXPERIMENTAL LAB STUDY; EXTINCTION (PSYCHOLOGY); RATS; REINFORCEMENT (PSYCHOLOGY); THIRST