USE OF A CUMULATIVE RECORDER TO INDICATE "CORRECT" RESPONSES.
D004193:Discrimination Learning; D004864:Equipment and Supplies; D011589:Psychology, Experimental; D051381:Rats; D012054:Reinforcement, Psychology; D012106:Research
DISCRIMINATION LEARNING; EQUIPMENT AND SUPPLIES; EXPERIMENTAL LAB STUDY; PSYCHOLOGY, EXPERIMENTAL; RATS; REINFORCEMENT (PSYCHOLOGY)